Help keep contaminants out of the fuel feeding your heavy-duty engine with this Wix fuel filter, the WIX 33528 spin-on unit cataloged for the secondary fuel filter position. It is a direct-fit replacement for the listed applications, including the 1980-1990 Chevrolet C70 [V8-10.4L], 1981-1986 Ford L8000 [V8-10.4L], 1986-1996 Freightliner FLC112 [6-10.5L] and 1990-1996 GMC C7000 Topkick [L6-6.6L]. With more than 1,700 applications across Ford, Freightliner, Kenworth, Peterbilt, Mack, GMC, Chevrolet and others, see the Buyer's Guide tab for the full list.
WIX HD fuel filters use high-quality, high-efficiency media matched to the application, whether that is a medium or heavy truck or farm, construction, mining or other equipment.
- Filter media: Enhanced cellulose media with a 2.00-micron rating.
- Housing: High-strength, corrosion-resistant can, center tube and end caps, paired with sealing components designed to resist leaks.
- Specifications: 1-14 thread size, 12-15 GPM flow rate, 3.713 in top outer diameter and 7.007 in height.
- Service interval: WIX recommends its filters for OEM fuel filter change intervals.
Signs this filter may need replacing include hard starting, hesitation, loss of power under load or stalling. If a restricted secondary fuel filter is the cause, this replaces it. The listed applications use one filter each. Engines covered include 6-10.3L, 6-10.5L, L6-10.3L, L6-15.8L, L6-6.6L and V8-10.4L. Country of origin: United States.
