Increase fuel filter capacity and extend the time between filter changes on your L5P Duramax by upgrading from the restrictive stock cartridge-style filter to a spin-on canister-style filter setup. This kit features an anodized billet aluminum fuel filter base and installs in the factory location using OEM-style quick disconnect fuel line fittings—no tuning required.

Fitment

• 2017–2019 Chevrolet Silverado / GMC Sierra 6.6L L5P Duramax (Short Bed & Long Bed)
• 2020–2024 Chevrolet Silverado / GMC Sierra 6.6L L5P Duramax (Long Bed)
• Excludes: 2023 & 2024 Dually Applications
• Not Compatible: 4500/5500 Medium Duty trucks equipped with the L5D Duramax

Key Benefits

• Increases fuel filter capacity and helps extend service intervals
• Spin-on canister style filtration upgrade
• Anodized billet aluminum fuel filter base for strength and corrosion resistance
• Installs in the same location as the stock cartridge filter base
• Maintains cold-weather performance by keeping the fuel flow path across the PTC heating element
• Compatible with stock trucks — no tuning required

What’s Included

• 4-Micron fuel filter & water separator
• Billet fuel filter base with integral mounting
• Distribution filter block / filter coupler
• OEM-style quick disconnect fittings
• 1/8" NPT port for optional fuel pressure monitoring

Additional Notes

• Gray anodized finish with engraved WCFab logo
• Direct replacement for factory fuel filter housing
• Designed for easy service and improved filtration efficiency