WIX Filters 33587 Diesel Fuel Filter

The WIX 33587 Diesel Fuel Filter is a spin-on filtration element designed to protect injectors, fuel pumps, and other engine components from dirt, rust, and water intrusion in heavy‑duty diesel fuel systems. It uses Enhanced Cellulose media with a 6‑micron nominal rating and supports up to 12–15 GPM, featuring a 10.365" height, 4.282" outer diameter, and M30 x 1.5 thread for reliable, easy installation; gasket outside diameter is 3.967" and inside diameter 3.587" to fit standard Mack and industrial diesel fittings. Commonly installed in Mack trucks and industrial engines with 11.9L displacements, including Mack CH, CHN, CV, CXN, DM, LE, and MR platforms, this filter delivers clean fuel delivery and injector protection in fleet, construction, and heavy equipment applications. Cross references include NAPA Gold 3587, with common replacements Baldwin BF7657, Fleetguard FF5382, and Donaldson P554471.