2020-2025 6.6L L5P Duramax

FASS Billet L5P 2017-2024 Duramax Fuel Filter Cap (BFC1001K)

FASS Titanium Fleet Filter Pack FLP3000

Fuel Systems Fleet Filter Pack XL FLP3000XL

FASS Drop-In Filter Pack FP1000

FASS No-Drop Series 180F 140GPH Fuel System for GMC/Chevrolet 2020-2023 Duramax 6.6L (Stock-700HP)

FASS No-Drop Plus Series 140GPH - 2020-2023 GM/Chevy Duramax 6.6L

FASS Fuel Systems Diesel Fuel Sump Kit (SK5501)

FASS Titanium Signature Series (180F/140gph/70-75psi) - 20-23 (Tuned Duramax L5P)

Fleece 1.5in T4 Pedestal Spacer

Fleece Billet Coolant Block Off Plate - 2001-2025 GM Duramax

Fleece GM All Lights On Module - Fits Many GM Gas and Diesel Vehicles

Fleece Fuel Filter Upgrade Kit - 20-24 Short Bed and 2024 Standard Cab Long Bed

Fleece Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack

Fleece Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack

Fleece Duramax Fan Extension Harness (L5P)

FASS Titanium Signature Series Plus 220GPH (TSPC15250F220G) - 2020-2023 GM/Chevy Duramax L5P 6.6L

Upper MAP Sensor Spacer Kit for 2017-2025 Duramax L5P

62 Gallon Replacement Fuel Tank for 2011-2023 GM Duramax 6.6L Crew Cab Short Bed

60 Gallon Replacement Fuel Tank for 2020-2023 Chevy Silverado/GMC Sierra 2500 3500 Crew Cab Long Bed

Secondary MAP Sensor Spacer for 24-25 Silverado 2500/3500 HD L5P Fleece Performance