Donaldson Filtration P551857 FUEL FILTER, WATER SEPARATOR SPIN-ON
SKU: 35003434689

Donaldson Filtration P551857 FUEL FILTER, WATER SEPARATOR SPIN-ON

Sale price$44.96 Regular price$49.96
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Description

Donaldson Filtration P551857 FUEL FILTER, WATER SEPARATOR SPIN-ONAttributes Outer Diameter 4. 29 inch (109 mm) Thread Size 1 14 UN Length 8. 54 inch (217 mm) Gasket OD 3. 57 inch (90. 8 mm) Gasket ID 3. 18 inch (80. 8 mm) Bowl Thread 3 3 4 10 UN Efficiency 98% 2 micron Efficiency Test Std ISO 4402 11171 Flow Direction Outside In Type Water Separator Style Spin On Media Type Meltblown Price Type F Primary Application RACOR R120S Packaged Dimensions Packaged Length 0. 38 FT Packaged Width 0. 38 FT Packaged Height 0.

Attributes
Outer Diameter 4.29 inch (109 mm)
Thread Size 1-14 UN
Length 8.54 inch (217 mm)
Gasket OD 3.57 inch (90.8 mm)
Gasket ID 3.18 inch (80.8 mm)
Bowl Thread 3 3/4-10 UN
Efficiency 98% 2 micron
Efficiency Test Std ISO 4402/11171
Flow Direction Outside-In
Type Water Separator
Style Spin-On
Media Type Meltblown
Price Type F
Primary Application RACOR R120S
Packaged Dimensions
Packaged Length 0.38 FT
Packaged Width 0.38 FT
Packaged Height 0.77 FT
Packaged Weight 2.40 lb (1.090 kg)
Packaged Volume 0.11 ft3 (0.003 m3)
Pieces Per Pallet 324
Other Information
Country of Origin Mexico
NMFC Code 069100-05
HTS Code 8421230000
UPC Code 742330987391

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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 35003434689

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4.1 ★★★★★
Based on 842 reviews
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Product Reviews
S
Verified Purchase
Shawn A Hughes
Boise, US
★★★★★ 5
Fits well, good quality.
Good assortment for the price; clips fit well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
H
Verified Purchase
Harold Monroe
Natrona Heights, US
★★★★★ 5
Good
Works great.
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Reviewed in the United States on January 11, 2026
B
Verified Purchase
B. G.
West Palm Beach, US
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
J
Verified Purchase
Jack
Carnegie, US
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
R
Verified Purchase
Robert Cordrick
Draper, US
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026

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