Keep clean fuel flowing to your medium- and heavy-duty trucks and equipment with the WIX HD Spin-On Fuel Filter 33386. This spin-on filter installs as a direct-fit replacement across a huge application list — including the 1992-1997 Chevrolet W4500 Tiltmaster [L4-3.9L], 1992-1997 GMC W4500 Forward [L4-3.9L], 1986-1998 Isuzu NPR [L4-3.9L], 1994-1998 Isuzu NQR [L4-3.9L], and numerous Hino models running the [L4-3.8L] and [L6-5.8L] — plus hundreds of off-highway compressor, generator, loader and excavator applications. See the Buyer's Guide tab for the full list.
- Enhanced Cellulose media: rated to 10 micron to strain contaminants from the fuel before they reach the injection system.
- HD duty build: WIX HD fuel filters use high-efficiency media matched to medium/heavy trucks, farm, construction, mining and other equipment, and are recommended for OEM fuel-filter change intervals.
- Spin-on specs: 3/4-16 thread size, closed inner diameter top, roughly 3.189 in tall with a 3.228 in outer diameter top, a 255 PSI burst pressure rating and a 7-9 GPM flow rate.
- Final filter position; high-strength, corrosion-resistant can, center tube and end caps with sealing components designed for leak-resistant service.
Manufacturer part number 33386. Country of origin: United States.
Frequently Asked Questions
What does this fuel filter do?
It strains contaminants from the fuel before they reach the injection system, using Enhanced Cellulose media rated to 10 micron. It serves as the final filter in the fuel path.
What is the thread size and micron rating?
The 33386 has a 3/4-16 thread size and Enhanced Cellulose media rated to 10 micron, with a closed inner diameter top.
What are the filter's performance ratings?
WIX lists a 255 PSI burst pressure rating and a 7-9 GPM flow rate. It measures about 3.189 in tall with a 3.228 in outer diameter top.
Will this fit my vehicle or equipment?
It fits a large list including the Chevrolet/GMC W4500 [L4-3.9L], Isuzu NPR/NQR [L4-3.9L], Hino [L4-3.8L] and [L6-5.8L] trucks, and many off-highway units. Check the Buyer's Guide tab to confirm your application.
Is this a heavy-duty filter?
Yes. WIX HD fuel filters use high-efficiency media matched to medium/heavy trucks and equipment, and are recommended for OEM fuel-filter change intervals.
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