FASS 20-23 Duramax L5P Crew Cab Short Bed Drop-In Series Fuel System

THIS IS NOT A LIFT PUMP! This is an air separation/filtration system that utilizes your factory in-tank lift pump.

The DIFSL5P2001 Fits: 2020-2025 Crew Cab Short Bed L5P Duramax

Note: Crew Cab Long Bed trucks (2017-2025) and 2017-2019 Crew Cab Short Bed trucks require the DIFSL5P1001.

Features

• Supports Stock & Modified Duramax: Plenty of fuel for stock and modified GMCs and Chevrolets.
• Injector Protection: WILL TRIPLE the life of your fuel injection system.
• FASS Filtration: Optimizes combustion, restores horsepower, and maximizes MPG.
• Water Separation: Extreme Water Separation Technology, 3rd-party proven to eliminate over 99% of free and emulsified water.
• Air/Vapor Removal: Patented process eliminates entrained air/vapor that damage injection systems.
• 2 Micron Absolute Microglass Filtration: Removes smaller debris than OEM filters.
• Improves Reliability: WILL TRIPLE the injection system life.
• Maximized Horsepower: Improved fuel atomization and restored timing.
• Optimized MPG: More efficient and complete combustion.
• Peace of Mind: Extreme Water Separator acts as a fail-safe against a bad tank of fuel.
• Cold Weather Confidence: Reliable starts and operation in harsh climates, especially when paired with the FASS Drop-In Fuel Heater Kit.
• Cleaner Operation: Reduced DPF regenerations and soot output through improved combustion.
• Improves Fuel Lubricity: At least 10% improvement by removing entrained air/vapor.
• Lower Cost of Ownership: Reduced maintenance and fewer injection-system repairs.
• The only Drop-In 6.6L Duramax filtration system that retains full functionality of the OEM water-in-fuel light.
• The only Drop-In filtration system in the light-duty market with air separation.

Fitment

• 2020-2025 GMC Sierra 2500HD/3500HD Crew Cab Short Bed – 6.6L Duramax (L5P)
• 2020-2025 Chevrolet Silverado 2500HD/3500HD Crew Cab Short Bed – 6.6L Duramax (L5P)

What's Included

• (1) FASS Drop-In Series Air Separation/Filtration System
• (1) FASS XWS3002 Extreme Water Separator
• (1) Installation Kit Including Fittings, Bracketry, and Hardware