HomeAir and Fuel Delivery > FiltersWix 33759 Fuel Water Separator Filter
Part #: 33759

Wix 33759 Fuel Water Separator Filter

🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$31.07Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Fuel Water Separator Filter for Heavy-Duty Vehicles

The Wix 33759 Fuel Water Separator Filter is designed to protect your engine by efficiently removing water and contaminants from fuel. Engineered with a 5-micron cellulose media, this filter ensures clean fuel delivery for heavy-duty applications, including popular makes and models requiring precise filtration.

  • Class HC filter for heavy-duty fuel systems
  • 5.00 micron cellulose media for effective contaminant removal
  • Height of 5.02 inches with a 3.27-inch outer diameter top
  • Key-way style fuel manager filter design
  • Equipped with a drain cock for easy water removal

Technical Details and Filter Attributes

The Wix 33759 fuel water separator filter features a cellulose media material rated at 5 microns, providing reliable filtration to protect fuel injectors and engine components from water and particulate contamination. Its heavy-duty (HD) duty type classification makes it suitable for demanding environments. The filter’s height measures 5.02 inches, with a closed inner diameter top and a 3.27-inch outer diameter top, designed to fit key-way style fuel manager systems. The integrated drain cock allows for convenient water drainage, helping maintain fuel system integrity and performance.

Applications and Common Issues Addressed

  • Prevents water contamination in diesel and gasoline fuel systems
  • Reduces risk of injector damage caused by particulate matter
  • Helps avoid engine performance issues related to fuel impurities
  • Minimizes fuel system corrosion and wear
  • Supports reliable operation in heavy-duty trucks and equipment

Installation Notes and Tips

When installing the Wix 33759 fuel water separator filter, ensure compatibility with your vehicle’s fuel manager system, particularly those using a key-way style filter. Properly drain accumulated water using the built-in drain cock to maintain optimal filter performance. Follow manufacturer guidelines for torque specifications and replacement intervals to ensure effective filtration and engine protection.

Quality Assurance and Warranty

Wix filters are manufactured to meet stringent quality standards, ensuring consistent filtration performance. The 33759 model is built for durability in heavy-duty applications. Please refer to Wix’s official warranty documentation for specific coverage details related to this fuel water separator filter.

BrandWix
Part Number33759
ClassHc
Drain Cock1
Duty TypeHd
Height5.02
Inner Diameter TopClosed
Media MaterialCellulose
Micron5.00
Outer Diameter Top3.27
StyleKey-way style fuel manager fil

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

86759

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.