Fuel Water Separators

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For Reference Only - Some Applications May Vary.


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  1. Fuel/Water Separator FS1285 - Fleetguard
    Price $55.76
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  2. Fuel/Water Separator FS19594 - Fleetguard
    Price $21.76
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  3. Element, Fuel Water Separator A0000903651 - Detroit Diesel
    Price $81.19
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  4. Fuel Filter Element Water Separator 03-43876-001 - Freightliner
    Price $31.21
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  5. Fuel/Water Separator Assembly 382930PAC01-10 - Davco
    Price $463.97
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  6. Filter/Water Separator FS19764 - Fleetguard
    Price $34.16
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  7. Fuel/Water Seperator FS19765 - Fleetguard
    Price $35.63
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  8. Fuel Water Separator 256-8753 - CAT
    CAT Fuel Water Separator 256-8753
    Part# 256-8753 OLD# 2568753
    Price $32.64
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  9. Fuel Water Separator 175-2949 - CAT
    CAT Fuel Water Separator 175-2949
    Part# 175-2949 OLD# 1752949
    Price $34.40
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  10. Fuel/Water Seperator FS1000 - Fleetguard
    Price $25.03
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  11. Fuel Filter/Water Separator W/Heat Assembly 382933PAC01-25 - Paccar
    Price $751.97
    Ships within 72 hours
  12. Fuel Filter Water Separtor Cartridge 21737481 - Mack
    Price $41.24
    Ships within 72 hours
  13. Separator - Fuel/Water FS1098 - Fleetguard
    Price $89.76
    Ships within 72 hours
  14. Water Hose A9349970752 - Detroit Diesel
    Price $16.45
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  15. Supt Tubeasm A4720900031 - Detroit Diesel
    Price $91.49
    Ships within 72 hours
  16. Filter Element A0000385007 - Detroit Diesel
    Price $219.03
    Ships within 72 hours
  17. Htr Blk Kit 23536816 - Detroit Diesel
    Price $388.87
    Ships within 72 hours
  18. Fuel Plate 23529016 - Detroit Diesel
    Price $404.74
    Ships within 72 hours
  19. Filter - Fuel/Water Separator FS20083 - Fleetguard
    Price $181.84
    Ships within 72 hours
  20. Filter - Fuel/Water Separator FS20040 - Fleetguard
    Price $65.87
    Ships within 72 hours
  21. Primary Fuel Filter Assembly K37-1010-304001100 - Paccar
    Price $662.49
    Ships within 72 hours
  22. Fuel Filter Assembly K37-1010-304000000 - Kenworth
    Price $649.51
    Ships within 72 hours
  23. Filter - Fuel/Water Separator FS19905G - Fleetguard
    Price $20.20
    Ships within 72 hours
  24. Separator - Fuel/Water FS1280 - Fleetguard
    Price $15.50
    Ships within 72 hours
  25. Bottom Plate - Heated, Fuel/Water Separator 382029-23PAC - Davco
    Price $201.39
    Ships within 72 hours
  26. Drain Valve 102008 - Davco
    Davco Drain Valve 102008
    Part# 102008 OLD# 102008DVC
    Price $73.66
    Ships within 72 hours
  27. O-Ring Seal, Bottom Plate 101994 - Davco
    Price $10.01
    Ships within 72 hours
  28. Check Valve Service Kit 101132 - Davco
    Davco Check Valve Service Kit 101132
    Part# 101132 OLD# 101132DVC
    Price $12.51
    Ships within 72 hours
  29. Fuel Water Separator Element, 10 Micron FS19727 - Fleetguard
    Price $26.23
    Ships within 72 hours
  30. Vent Cap Service Kit 240023S - Davco
    Davco Vent Cap Service Kit 240023S
    Part# 240023S OLD# 380043
    Price $21.31
    Ships within 72 hours
  31. Fuel Filter Water Separator Assembly - Davco, Unheated 382951PAC10 - Davco
    Price $417.67
    Ships within 72 hours
  32. Filter - Fuel/Water Separator FS19915 - Fleetguard
    Price $89.19
    Ships within 72 hours
  33. O-Ring Service Kit (Vent Cap and Cover) 380072 - Davco
    Price $12.86
    Ships within 72 hours
  34. Fuel Water Separator 326-1644 - CAT
    CAT Fuel Water Separator 326-1644
    Part# 326-1644 OLD# 3261644
    Price $46.50
    Ships within 72 hours
  35. Fuel Water Separator 1R-1804 - CAT
    CAT Fuel Water Separator 1R-1804
    Part# 1R-1804 OLD# 1R1804
    Price $23.06
    Ships within 72 hours
  36. Fuel/Water Filter R90P - Parker Hannifin
    Price $60.27
    Ships within 72 hours
1-36 of 73 Items
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Fuel Water Separators

When it comes to the safety and performance of your engine, fuel water separators are an important consideration. As these are simple and economical installations for a host of trucks and heavy vehicles with diesel engines, they can provide an additional layer of protection to the constituent parts and ensure both maximum and continued functionality.

A fuel water separator is a type of fuel filter that removes any water or moisture build-up in diesel, to minimise issues that may otherwise occur in the fuel injection nozzle and other parts of the engine and extend service life. This is typically performed by detecting the difference in densities between water and fuel. The right device can also help to preheat fuel, which can increase the filtering process and minimise wax formation.

Why is water in fuel a bad thing?

The main issue that can arise when water is in your fuel is that it will affect the performance of diesel in terms of lubrication. When fuel isn’t providing the right level of greasiness to the internal components of the engine, wear will occur faster and performance will decrease. The presence of water can also cause rusting throughout the engine, unwanted microbial growth that could lead to sludge, and has the potential to freeze diesel if your truck or heavy vehicle is left in cold weather.

All of these instances can be costly if damage occurs and at the very minimum, you could see lesser fuel consumption and minimised performance. The good news is that the right fuel water separator installed in your fuel line can all but negate these issues.

As fuel water separators can perform important functions that can prolong the lifespan of truck engines and ensure continued functionality, it can be important to get the right model for your vehicle. Right here at Big Rig World, we not only have a wide range of fuel water separators for you to peruse below, but we also have expert technicians on hand to provide support and assistance when purchasing, during installation, or when inquiring about a host of issues.