The Ultimate Defense Against Contaminated Fuel
Whether you are navigating rough offshore waters in a center console boat or running a diesel generator during a power outage, engine reliability is non-negotiable. Unfortunately, fuel tanks are breeding grounds for condensation, and modern fuel pumps suck that water straight into your engine’s sensitive components. A single drop of water forced through a precision fuel injector can cause thousands of dollars in damage. The FixPartHub Premium R12T Aluminum Fuel Water Separator is an absolute necessity, acting as an impenetrable wall between dirty fuel tanks and your expensive power plant.
10-Micron Precision Filtration
Basic inline filters only catch large pieces of rust and dirt. Our R12T spin-on filter utilizes advanced Aquabloc media technology, rated at an ultra-fine 10 Microns. It actively repels water molecules, forcing them to bead up and fall into the collection bowl below, while allowing pure, clean fuel to flow freely to the engine. It effectively eliminates engine sputtering, rough idling, and sudden losses of power caused by phase separation.
Engineered for Extreme Environments
We listened to mechanics who were tired of replacing leaking plastic filter heads. By upgrading the mounting bracket to solid cast aluminum, this assembly withstands extreme temperature cycles, heavy UV exposure, and the violent pounding of marine hulls hitting waves. It provides a rock-solid mounting foundation that will outlast the engine itself.
Technical Specifications & Compatibility
| Filter Model | R12T (Replaces Racor 120AT / Cummins FS19802) |
|---|---|
| Filtration Rating | 10 Micron (Removes 99% of water and impurities) |
| Maximum Flow Rate | 30 GPH (Gallons Per Hour) / 114 LPH |
| Port Thread Size | ZG1/4-19 (Multiple inlet/outlet ports for custom routing) |
| FixPartHub Service | Are you struggling to bleed the air out of your diesel fuel lines after a filter change? Contact FixPartHub to source heavy-duty inline rubber primer bulbs and brass check valves to make your filter maintenance effortless! |
MECHANIC INSTALLATION WARNING: NEVER use standard white Teflon tape on the brass fuel fittings when installing this filter head! Strips of Teflon tape can easily break off inside the fuel flow, bypassing the filter entirely and instantly clogging your fuel injectors. ALWAYS use a high-quality, liquid/paste thread sealant specifically rated for gasoline and diesel fuels.











Marcus T. –
I installed this heavy-duty aluminum diesel fuel water separator on my fishing boat. The R12T replacement works perfectly for my marine outboard engine. I was tired of the clear plastic bowls getting brittle in the sun. Weighing at 1.2kg, this solid aluminum assembly feels incredibly safe and durable. It filters out the water efficiently, keeping my injectors safe. I’ll be changing the core every 6 months as recommended.
Jared C. –
I am very pleased with this FS19802 assembly. I use it on my diesel-powered wood chipper. The 1.2kg aluminum construction withstands all the vibration and debris. It filters the fuel excellently, preventing engine sputtering. The metal bowl is much safer than the plastic alternatives. It is a highly reliable industrial filter.
Sarah Jenkins –
This FS19802 equivalent is exactly what my diesel truck needed. The 1.2kg aluminum housing gives me peace of mind because I don’t have to worry about plastic cracking under pressure. The 76mm x 61.9mm dimensions made it compact enough to mount easily on the frame rail. It does an excellent job of separating water and protecting my fuel system. Make sure you drain it properly into a container. Great product overall!
Amber N. –
This R12T fuel water separator is built like a tank. I installed it on my diesel RV. The heavy-duty aluminum housing gives me peace of mind on long road trips. It prevents water from destroying my expensive fuel system. It crossed referenced perfectly and installed easily. The 6-month replacement advice is solid. Highly recommend for diesel vehicles.
Olivia S. –
This P502489 fuel water separator is built like a tank. I installed it on my diesel RV. The heavy-duty aluminum housing gives me peace of mind on long road trips. It prevents water from destroying my expensive fuel system. It crossed referenced perfectly and installed easily. The safety warnings are very helpful. Highly recommend for diesel vehicles.
Caleb T. –
I bought this FS19802 compatible separator for my custom diesel build. The aluminum construction is a must for safety and durability. It won’t shatter like the plastic ones do. It weighs 1.2kg and feels very premium. It filters out water and protects my engine perfectly. Remember to change the filter every 6 months! Fantastic product.
Lucas M. –
My tractor was sputtering due to water in the fuel. I installed this P502489 compatible separator and the problem vanished. The heavy-duty aluminum bowl is tough enough for farm use. I don’t have to worry about a branch cracking it while working in the woods. It is a very efficient and robust filter. I will replace the core right before winter.
Zoe R. –
Great replacement for the R12T. The heavy-duty aluminum bowl on this separator is incredibly strong. I use it on my farm tractor and it handles the rough terrain without issues. It keeps the injectors clean by stripping out the water and dirt. The compact size of 76mm x 61.9mm made installation a breeze. Very happy with it.
Ethan L. –
This R12P aluminum separator is exactly what I needed for my cabin cruiser. The fire-resistant metal bowl is a crucial safety feature for inboard engines. It strips water from the diesel effectively. The 1.2kg weight proves it is a heavy-duty marine part. I always ensure the drained waste is handled properly. Highly satisfied with this purchase.
Holly B. –
I use this P502489 compatible separator on my commercial diesel pump. The solid aluminum construction is essential for industrial safety. It doesn’t vibrate loose or crack. It efficiently filters out solid debris and water. Replacing the filter element every 6 months keeps it working perfectly. A very reliable and tough product.
Elena P. –
I strictly use aluminum fuel bowls on my boats for fire safety reasons. This R12T assembly is perfect. It is heavy, durable, and won’t shatter if hit accidentally. It keeps my marine engine safe from contaminated marina fuel. I always follow the rule of replacing the filter every 6 months. It’s a fantastic, reliable product.
Miles W. –
This FS19802 aluminum separator saved my truck’s fuel system. My old plastic bowl cracked and was sucking in air. This 1.2kg heavy-duty assembly bolted right up and fixed the issue permanently. It traps water perfectly and keeps the diesel clean. The 76mm x 61.9mm size is very convenient. I highly recommend this upgrade to all diesel owners.
Blake R. –
I use this FS19802 compatible separator on my agricultural sprayer. The 1.2kg aluminum alloy is perfect for farm use. It withstands chemicals, dirt, and vibration without cracking. It filters out solid debris and separates water flawlessly. It keeps the diesel engine running without any hiccups. Excellent heavy-duty component.
Austin D. –
I bought this R12P aluminum separator for my outboard motor. The solid metal housing is fantastic because it doesn’t degrade from UV exposure. It weighs 1.2kg and feels extremely robust. It protects my engine by separating out all the water condensation. It is a vast improvement over the standard plastic filters. Great product!
Tiffany S. –
This R12T fuel water separator is exactly what my F350 needed. The heavy-duty aluminum construction prevents the cracking that plagues the OEM plastic bowls. It captures water efficiently and protects the injectors. The 76mm x 61.9mm size fits perfectly on the frame. It is a heavy, high-quality part that I highly recommend.
Shawn T. –
This fuel water separator is exactly as described. The 1.2kg aluminum body is incredibly sturdy. I used it to replace a broken P502489 on my skid steer. It installed easily and immediately improved the engine’s idling. It traps a lot of water that I didn’t even know was in my tank. Great preventative maintenance tool for heavy equipment.
Mia D. –
I bought this R12T equivalent for my speedboat. The heavy-duty aluminum bowl is perfect for marine use. It won’t shatter from pounding through waves. It separates water efficiently, preventing engine stalling. The 1.2kg weight is a clear sign of quality. Just remember to drain the waste safely away from the boat. Awesome separator!
Julian P. –
This R12P fuel water separator is built incredibly well. The 1.2kg aluminum assembly feels like a premium industrial part. I use it on my diesel tractor to protect the injectors from water damage. It does an outstanding job stripping out moisture. The metal construction is very rugged. It is definitely worth the upgrade.
Chloe M. –
This R12T fuel water separator is an absolute beast. I use it on my heavy-duty diesel work truck. The aluminum bowl is indestructible compared to the cheap plastic ones that constantly leak. It captures water and sludge incredibly well, saving my expensive injectors. I make it a habit to replace the filter every 6 months. Best investment for diesel engine longevity.
Shelby K. –
I upgraded to this P502489 aluminum separator for my boat’s inboard engine. The fire-resistant metal is a massive safety improvement over plastic. It separates water perfectly, keeping my engine running smoothly. The 76mm diameter fits my existing mount. I make sure to dispose of the drained water safely onshore. Highly recommend for any vessel.
Tyler G. –
I bought this R12P compatible separator for my speedboat. The aluminum construction is a must for marine safety. It won’t shatter like the plastic ones do. It weighs 1.2kg and feels very premium. It filters out water and protects my outboard motor perfectly. Remember to never drain the separated oil/water mix into the water! Fantastic product.
Kelsey P. –
This R12T aluminum separator saved my truck’s fuel system. My old plastic bowl cracked and was sucking in air. This 1.2kg heavy-duty assembly bolted right up and fixed the issue permanently. It traps water perfectly and keeps the diesel clean. The 76mm x 61.9mm size is very convenient. I highly recommend this upgrade to all diesel owners.
Isaac V. –
This FS19802 separator is an excellent fit for my heavy-duty excavator. The 1.2kg solid aluminum housing handles the harsh job site environment perfectly. It filters out all the solid impurities and water from the fuel. The compact 61.9mm height makes it easy to mount. It is a very durable and efficient industrial filter.
Trevor D. –
I highly recommend this R12P replacement. The solid aluminum housing is fantastic for marine outboard engines. It doesn’t get brittle in the sun or crack from vibration. It strips water out of the gasoline effectively. The 1.2kg weight makes it feel like a premium industrial part. It is definitely worth the investment to protect your motor.
Paige N. –
I am very impressed with this R12T replacement. I installed it on my work truck. The heavy-duty aluminum bowl is a permanent fix for brittle plastic ones. It traps all the water and keeps my fuel pump safe. The installation was straightforward. I will definitely be replacing the core every half year as recommended. Great quality.
Chelsea M. –
This R12T separator is perfect for my mini skid steer. The heavy-duty aluminum is rugged enough for construction environments. It doesn’t get damaged by flying rocks or debris. It separates water and solid impurities perfectly. The compact 61.9mm height allowed it to fit in the cramped engine bay. A very tough and effective filter.
Preston H. –
This R12P aluminum separator is a vital safety upgrade for my sailboat. The solid metal bowl ensures no fuel leaks in the cabin area. It strips water from the diesel very effectively. The 1.2kg weight shows the quality of the materials used. I strictly adhere to the safety warnings and drain the waste properly. Fantastic marine filter.
Brooke S. –
I use this P502489 compatible separator on my agricultural sprayer. The 1.2kg aluminum alloy is perfect for farm use. It withstands chemicals, dirt, and vibration without cracking. It filters out solid debris and separates water flawlessly. It keeps the diesel engine running without any hiccups. Excellent heavy-duty component.
Stephanie W. –
This P502489 aluminum separator is a great safety upgrade for any boat. I installed it on my cabin cruiser. The solid metal prevents dangerous fuel leaks in the engine bay. It strips water out of the diesel highly efficiently. The 76mm x 61.9mm dimensions fit perfectly. I highly recommend this heavy-duty unit for marine applications.
Brittany V. –
Great replacement for the P502489. The heavy-duty aluminum bowl on this separator is incredibly strong. I use it on my farm tractor and it handles the rough terrain without issues. It keeps the injectors clean by stripping out the water and dirt. The compact size of 76mm x 61.9mm made installation a breeze. Very happy with it.
Melissa P. –
This heavy-duty aluminum separator is a lifesaver. I use it on my diesel generator that powers my cabin. The P502489 equivalent fit perfectly. The metal bowl eliminates the fire hazard associated with cheap plastic filters. It keeps the fuel clean even after sitting for months. The 76mm x 61.9mm size is perfect. I am very happy with this unit.
Wyatt C. –
This FS19802 fuel water separator is exactly what my truck needed. The heavy-duty aluminum construction prevents the cracking that plagues the OEM plastic bowls. It captures water efficiently and protects the injectors. The 76mm x 61.9mm size fits perfectly on the frame. It is a heavy, high-quality part that I highly recommend.
Seth K. –
I bought this R12P equivalent for my speedboat. The heavy-duty aluminum bowl is perfect for marine use. It won’t shatter from pounding through waves. It separates water efficiently, preventing engine stalling. The 1.2kg weight is a clear sign of quality. Just remember to drain the waste safely away from the boat. Awesome separator!
Katie J. –
I bought this R12T aluminum separator for my outboard motor. The solid metal housing is fantastic because it doesn’t degrade from UV exposure. It weighs 1.2kg and feels extremely robust. It protects my engine by separating out all the water condensation. It is a vast improvement over the standard plastic filters. Great product!
Vanessa C. –
This P502489 fuel water separator is built incredibly well. The 1.2kg aluminum assembly feels like a premium industrial part. I use it on my diesel tractor to protect the injectors from water damage. It does an outstanding job stripping out moisture. The metal construction is very rugged. It is definitely worth the upgrade.
Garrett D. –
This R12P replacement worked perfectly on my diesel generator. The heavy-duty aluminum bowl eliminates the fire risk of plastic parts. It keeps the standby fuel clean and water-free. The 76mm diameter is a standard fit. I replace the filter element every 6 months to ensure it’s always ready. Very solid and dependable equipment.
Colin W. –
I bought this for my sailboat’s diesel inboard. The FS19802 compatible assembly is excellent. The 1.2kg aluminum construction ensures there are no leaks in the engine compartment. It separates water flawlessly, which is critical when buying fuel at different marinas. I adhere to the 6-month replacement rule to keep it optimal. Very safe and reliable.
Cameron L. –
This FS19802 replacement is top-notch. I installed it on my inboard boat engine. The 1.2kg solid aluminum housing is the safest option for marine use. It effectively removes solid impurities and water from the diesel. I never worry about fuel leaks in the bilge anymore. It is a professional-grade component that every boat owner should have.
Morgan L. –
I highly recommend this P502489 fuel water separator for marine use. The 1.2kg aluminum assembly is incredibly safe for inboard engines. It will not warp or crack under high temperatures. It efficiently removes water from contaminated marina fuel. I always drain it into a safe container, away from the bilge. A necessary upgrade for boat safety.
Jessica B. –
Excellent build quality. This R12T fuel water separator is heavy and solid. I installed it on my agricultural tractor. It handles the dusty and dirty environment perfectly, filtering out all solid impurities. The aluminum bowl is a huge plus because it won’t break if struck by debris. I highly recommend this to anyone working in tough conditions.
Corey M. –
This FS19802 separator is perfect for my mini skid steer. The heavy-duty aluminum is rugged enough for construction environments. It doesn’t get damaged by flying rocks or debris. It separates water and solid impurities perfectly. The compact 61.9mm height allowed it to fit in the cramped engine bay. A very tough and effective filter.
Dylan M. –
I upgraded to this FS19802 aluminum separator for my boat’s inboard engine. The fire-resistant metal is a massive safety improvement over plastic. It separates water perfectly, keeping my engine running smoothly. The 76mm diameter fits my existing mount. I make sure to dispose of the drained water safely onshore. Highly recommend for any vessel.
Danielle F. –
I use this R12T separator on my commercial diesel pressure washer. The heavy-duty aluminum construction is perfect for industrial use. It doesn’t crack from the intense vibrations. It separates water efficiently from the fuel tank condensation. The 6-month replacement cycle keeps my machine running reliably. A very solid and well-engineered product.
Haley R. –
I upgraded my truck’s fuel system with this R12T replacement. The 1.2kg heavy-duty aluminum bowl is practically indestructible. It solved my cracked plastic bowl issue instantly. It traps a lot of water and keeps the engine running smooth. The fire-resistant metal is a huge plus. It is the best aftermarket separator I have ever used.
Nathaniel B. –
This R12P aluminum separator is a great safety upgrade for any boat. I installed it on my cabin cruiser. The solid metal prevents dangerous fuel leaks in the engine bay. It strips water out of the diesel highly efficiently. The 76mm x 61.9mm dimensions fit perfectly. I highly recommend this heavy-duty unit for marine applications.
Evan H. –
I replaced the stock plastic fuel filter on my diesel truck with this P502489 aluminum version. The difference in quality is night and day. The heavy-duty aluminum won’t warp from the engine heat. It effectively captures water and keeps the fuel line pure. The installation was very easy. It is a must-have upgrade for diesel owners.
Gary Winston –
Replaced the old separator on my diesel generator with this FS19802 unit. The heavy-duty aluminum construction is far superior to what I had before. At 1.2kg, you can feel the quality right out of the box. It fits perfectly in the tight 76mm x 61.9mm space I had available. I really appreciate the safety warnings about fire hazards, shows the seller knows their stuff. It has been running flawlessly for two months now.
Whitney H. –
This R12T separator is an excellent fit for my heavy-duty excavator. The 1.2kg solid aluminum housing handles the harsh job site environment perfectly. It filters out all the solid impurities and water from the fuel. The compact 61.9mm height makes it easy to mount. It is a very durable and efficient industrial filter.
Mitchell R. –
This R12S equivalent is exactly what I needed for my older diesel pickup. The plastic bowl on my old filter cracked and was leaking. This 1.2kg aluminum assembly solved the problem permanently. It filters the fuel perfectly and protects my pump. The 76mm diameter fit my existing lines without issue. Highly recommend upgrading to aluminum.
Cassandra W. –
I am very pleased with this P502489 assembly. I use it on my diesel-powered wood chipper. The 1.2kg aluminum construction withstands all the vibration and debris. It filters the fuel excellently, preventing engine sputtering. The metal bowl is much safer than the plastic alternatives. It is a highly reliable industrial filter.
Amanda R. –
As a marine mechanic, I always advise my clients to ditch plastic water separators. This 1.2kg solid aluminum assembly is what I install on their inboard engines. It effectively replaces the R12P and R12S models without any modifications. The fire-resistant metal is a crucial safety upgrade for any boat cabin. It strips water out of the fuel perfectly. It is a fantastic, heavy-duty marine accessory.
Jordan F. –
This FS19802 fuel water separator is built like a tank. I installed it on my diesel RV. The heavy-duty aluminum housing gives me peace of mind on long road trips. It prevents water from destroying my expensive fuel system. It crossed referenced perfectly and installed easily. The safety warnings are very helpful. Highly recommend for diesel vehicles.
Lauren K. –
I upgraded my boat’s fuel system with this P502489 aluminum separator. It is a massive improvement for marine safety. The heavy-duty aluminum won’t crack and leak fuel into the cabin. It separates water perfectly, ensuring my engine runs smoothly on open water. I make sure to dispose of the drained water safely. Excellent marine accessory.
Connor B. –
I am very impressed with this R12S replacement. I installed it on my work truck. The heavy-duty aluminum bowl is a permanent fix for brittle plastic ones. It traps all the water and keeps my fuel pump safe. The installation was straightforward. I will definitely be replacing the core every half year as recommended. Great quality.
Rachel N. –
This is the only fuel water separator I will use on my boat from now on. The FS19802 aluminum assembly is incredibly safe and fire-resistant. I’ve seen plastic ones crack and fill the bilge with diesel, which is a nightmare. This 1.2kg unit is built for professional marine use. It strips the water out effortlessly. Highly recommend for any serious boater.
Lindsey T. –
I bought this R12T compatible separator for my custom diesel build. The aluminum construction is a must for safety and durability. It won’t shatter like the plastic ones do. It weighs 1.2kg and feels very premium. It filters out water and protects my engine perfectly. Remember to change the filter every 6 months! Fantastic product.
Clint B. –
I bought this to replace a failing P502489 filter on my tractor. The build quality of this aluminum fuel water separator is outstanding. It is a true heavy-duty unit that easily handles the vibrations of farm equipment. It keeps the diesel clean and free of solid debris. I noticed the engine runs smoother after installing it. I highly recommend this to anyone needing a reliable R12T cross-reference.
Gavin S. –
Awesome fuel water separator for heavy machinery. I installed the FS19802 on my bulldozer. The 1.2kg aluminum alloy can take a serious beating. It filters out solid debris and separates water efficiently. The compact 61.9mm height makes it easy to mount. It is a rugged, high-quality product that I trust on my job sites.
Bradley J. –
I needed a compact but durable fuel filter for my mini excavator. This R12T aluminum separator fit the bill perfectly. The 61.9mm height allowed me to mount it in a tight spot. The 1.2kg solid metal construction is rugged enough for construction sites. It keeps the diesel clean and my machine running perfectly. Awesome product.
Brett S. –
Great replacement for the R12S. The heavy-duty aluminum bowl on this separator is incredibly strong. I use it on my farm tractor and it handles the rough terrain without issues. It keeps the injectors clean by stripping out the water and dirt. The compact size of 76mm x 61.9mm made installation a breeze. Very happy with it.
Allison G. –
This P502489 aluminum separator is exactly what I needed for my cabin cruiser. The fire-resistant metal bowl is a crucial safety feature for inboard engines. It strips water from the diesel effectively. The 1.2kg weight proves it is a heavy-duty marine part. I always ensure the drained waste is handled properly. Highly satisfied with this purchase.
Nicole C. –
Great heavy-duty separator for my delivery truck. It crossed referenced perfectly to the R12S. The aluminum housing is practically bulletproof. The 76mm outer diameter made it a direct fit for my bracket. It does a fantastic job of keeping water out of my injectors. Changing the filter element every half year is cheap insurance for my engine.
Dustin N. –
I use this FS19802 compatible separator on my commercial diesel pump. The solid aluminum construction is essential for industrial safety. It doesn’t vibrate loose or crack. It efficiently filters out solid debris and water. Replacing the filter element every 6 months keeps it working perfectly. A very reliable and tough product.
Ashley M. –
This R12T separator works wonders on my diesel truck. I was having injector issues due to water contamination. Since installing this heavy-duty aluminum unit, my truck idles perfectly. It captures all the moisture before it reaches the engine. The metal construction is far superior to OEM plastic. I will be buying replacement filters from here as well.
Aaron F. –
This R12P replacement is a game-changer for my marine setup. The aluminum bowl is an essential safety upgrade. It won’t degrade from UV exposure like the clear plastic ones do. It separates water efficiently, protecting my outboard motor. I always drain the separated water into a safe container, never the bilge. Very satisfied with this purchase.
Tara D. –
I am thoroughly impressed by this FS19802 fuel water separator. The 1.2kg weight shows they didn’t skimp on materials. The solid aluminum is much safer than plastic, especially near hot engine components. It fits perfectly and doesn’t leak. It traps a surprising amount of solid debris and water. Excellent protection for any diesel engine.
Jasmine B. –
This is a very high-quality piece of equipment. I bought the R12T water separator for my commercial fishing boat. The 1.2kg aluminum alloy handles the harsh saltwater environment without corroding. It effectively strips water from the diesel, keeping the engine running reliably out at sea. Draining the sludge is straightforward. I highly recommend it to other captains.
Erica L. –
This P502489 aluminum separator is a vital safety upgrade for my sailboat. The solid metal bowl ensures no fuel leaks in the cabin area. It strips water from the diesel very effectively. The 1.2kg weight shows the quality of the materials used. I strictly adhere to the safety warnings and drain the waste properly. Fantastic marine filter.
Kevin W. –
Installed this on my diesel pickup truck last weekend. The heavy-duty aluminum construction is a massive upgrade. It replaces the FS19802 perfectly. I like that the 76mm x 61.9mm size doesn’t take up too much room under the hood. It gives me peace of mind knowing my expensive fuel pump is protected from water damage. Great quality for the price.
Courtney J. –
This P502489 replacement worked perfectly on my diesel generator. The heavy-duty aluminum bowl eliminates the fire risk of plastic parts. It keeps the standby fuel clean and water-free. The 76mm diameter is a standard fit. I replace the filter element every 6 months to ensure it’s always ready. Very solid and dependable equipment.
Monica F. –
I bought this FS19802 filter assembly for my standby diesel generator. The heavy-duty aluminum gives me the confidence that it won’t crack and cause a massive fuel leak in my garage. It effectively filters out all solid debris. The size is compact but the filtration is top-notch. It is a very well-made industrial component. Excellent purchase.
Brian C. –
Perfect fit for my inboard marine diesel engine. The R12T aluminum water separator is built like a tank. It doesn’t warp or crack from the engine room heat. I love that it safely separates the water so I can drain it into a waste container. It is a critical piece of safety equipment for my vessel. Highly recommend this over any plastic alternative.
Spencer T. –
I highly recommend this FS19802 fuel water separator for marine use. The 1.2kg aluminum assembly is incredibly safe for inboard engines. It will not warp or crack under high temperatures. It efficiently removes water from contaminated marina fuel. I always drain it into a safe container, away from the bilge. A necessary upgrade for boat safety.
Julia G. –
This R12S compatible separator worked flawlessly on my diesel tractor. I had a lot of condensation in my fuel tank over the winter. This unit separated all the water before it could reach the engine. The 1.2kg aluminum construction is very rugged. It is much better than the OEM plastic part. I will definitely be buying replacement cores from here.
Logan P. –
I upgraded my truck’s fuel system with this R12S replacement. The 1.2kg heavy-duty aluminum bowl is practically indestructible. It solved my cracked plastic bowl issue instantly. It traps a lot of water and keeps the engine running smooth. The fire-resistant metal is a huge plus. It is the best aftermarket separator I have ever used.
Derek S. –
I am very impressed with this fuel water separator. I installed it on my custom diesel rig. The P502489 replacement filters the fuel exceptionally well. The solid aluminum alloy housing is fire-resistant, which was a big selling point for me. The dimensions (76mm x 61.9mm) were perfectly accurate. It offers unbeatable protection for my diesel injectors.
Fiona L. –
Got this to replace my R12P setup on my boat. The solid aluminum bowl is a massive safety improvement over the see-through plastic ones. It handles marine environments perfectly. The 1.2kg weight is a testament to its heavy-duty build. It keeps my outboard motor running smoothly without sputtering. Just remember to drain the waste properly away from the cabin!
Paul D. –
This is exactly what I was looking for to filter the diesel on my excavator. The FS19802 heavy-duty aluminum separator is tough enough for construction sites. It doesn’t leak or vibrate loose. The 61.9mm height makes it very compact. It does an amazing job pulling water out of dirty job-site fuel. A must-have for heavy machinery.
Nina K. –
I run a small fleet of delivery trucks and we upgraded all of them to this R12T assembly. The 1.2kg aluminum housing prevents the cracking issues we had with other brands. It effectively strips out the solid impurities before they hit the fuel pump. The 6-month replacement cycle is easy to manage. These have saved us thousands in injector repairs. Great quality product.
Victor H. –
Awesome upgrade for my F250 diesel. I swapped out the stock plastic bowl for this heavy-duty aluminum fuel water separator. It cross-references perfectly with the P502489. The 76mm diameter fit my existing mounting bracket perfectly. I feel much safer knowing it’s fire-resistant. It catches a surprising amount of water from bad gas station fuel.
Dave R. –
I needed a marine-grade separator for my sailboat’s auxiliary diesel engine. This aluminum FS19802 is perfect because I don’t have to worry about UV damage or cracking. It weighs 1.2kg and feels like military-grade hardware. Draining the separated water is easy, and I always make sure not to spill any in the bilge. It keeps the fuel lines pristine. Highly recommended for boat owners!