HomeAir and Fuel Delivery > FiltersWix 33231 Fuel Water Separator Filter
Part #: 33231

Wix 33231 Fuel Water Separator Filter

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Isuzu, ELF 200 and ELF 300
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Wix 33231 Fuel Water Separator Filter

The Wix 33231 fuel water separator filter is designed specifically for Isuzu ELF 200 and ELF 300 models. This spin-on filter helps protect your engine by efficiently separating water from fuel, ensuring cleaner fuel delivery and improved engine performance.

  • Burst pressure rating of 290 psi for reliable operation under heavy-duty conditions
  • Class Ha filter classification for high-efficiency filtration
  • Flow rate between 12-15 gallons per minute to support optimal fuel delivery
  • Enhanced cellulose media material for effective contaminant capture
  • 14 micron filtration rating to remove fine particles and water from fuel
  • Spin-on style with 1-14 thread size for straightforward installation
  • Compact dimensions: 5.145 inches height and 4.282 inches outer diameter

Technical Details and Specifications

The Wix 33231 fuel water separator filter features a robust design tailored for heavy-duty use in Isuzu ELF 200 and ELF 300 trucks. Its enhanced cellulose media provides a 14 micron filtration rating, effectively removing water and contaminants from diesel fuel. The filter’s burst pressure of 290 psi ensures durability under demanding operating conditions. With a flow rate of 12 to 15 gallons per minute, it supports consistent fuel delivery to maintain engine efficiency. The spin-on style with a 1-14 thread size simplifies replacement and maintenance.

Compatible Vehicles and Applications

This fuel water separator filter is compatible with the following Isuzu models:

  • Isuzu ELF 200
  • Isuzu ELF 300

It is designed to meet the filtration needs of these models, helping to prevent fuel system damage caused by water contamination and particulate matter.

Common Issues Addressed by Wix 33231 Filter

  • Prevents water contamination in diesel fuel that can cause engine corrosion
  • Reduces clogging of fuel injectors by filtering out fine particles
  • Helps maintain consistent fuel flow to avoid engine performance issues
  • Protects fuel pump and injectors from premature wear
  • Minimizes risk of engine stalling due to contaminated fuel

Installation Notes and Tips

  • Ensure the engine is off and cooled before filter replacement
  • Use the 1-14 thread size to securely install the spin-on filter
  • Check for leaks after installation and tighten as necessary
  • Replace the filter at manufacturer-recommended intervals or when fuel contamination is suspected
  • Dispose of used filters according to local environmental regulations

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for durability and filtration efficiency. The 33231 fuel water separator filter undergoes rigorous quality control to ensure consistent performance. While specific warranty details may vary, Wix typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandWix
Part Number33231
Burst Pressure290
ClassHA
Duty TypeHD
Flow Rate12-15 GPM
Height5.145
Inner Diameter TopClosed
Media MaterialEnhanced Cellulose
Micron14.00
Outer Diameter Top4.282
StyleSpin On Fuel Water Separator w
Thread Size1-14

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2018IsuzuELF 2003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2018IsuzuELF 3003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2017IsuzuELF 2003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2017IsuzuELF 3003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2016IsuzuELF 2003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2016IsuzuELF 3003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2015IsuzuELF 2003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter
2015IsuzuELF 3003.0LL4N/AOriginal Equipment Part Number 5872000440; Spin-On Filter

* 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:

019669931966993ABPN122R50550BR90FRT10ELG 5538KC 124KC 249KC 249 DN122R50550R50550Z 368Z 634

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