Increase fuel filter capacity and amount of time between filter changes on your 2020-2023 L5P Duramax by upgrading from a stock cartridge style filter to our spin-on canister style filter. Featuring an anodized billet aluminum fuel filter base, this upgrade kit installs in the same location as the stock cartridge filter base using the same OEM style quick disconnect fuel line fittings.

• Ensures maximum effectiveness in cold weather by keeping the fuel flow path across the PTC heating element
• Gray anodized finish with engraved WCFab Logo
• Compatible with stock trucks, No tuning required
• Includes Donaldson 4 micron fuel filter and water separator (Donaldson P/N P553203), filter base with integral mounting, distribution filter block/filter coupler, quick disconnect fittings, and 1/8" NPT port for fuel pressure monitoring
• Replaces GM Part #13543066

***NOT COMPATIBLE WITH 4500/5500 MEDIUM DUTY TRUCKS EQUIPPED WITH L5D DURAMAX***