AirDog FP-100-4G Fuel System (A4SPBC185) – 100 GPH | Fits 2001–2010 Chevy/GMC 6.6L Duramax

The AirDog FP-100-4G (SKU: A4SPBC185) is a 100 GPH diesel lift pump system built for Chevy and GMC 6.6L Duramax engines from 2001 to 2010. Designed to replace the missing factory lift pump, this system mounts to the frame rail using a sandwich plate bracket and connects directly to the factory suction and pressure lines for a fast, seamless install. The system improves fuel delivery, supports moderate engine modifications, and returns air/vapor to the tank through a filler neck tee. Ideal for LB7, LLY, LBZ, and LMM engine codes.

Key Features:

• 100 GPH flow rate for improved fuel delivery

• Mounts to frame with included sandwich plate bracket

• Utilizes factory suction port and fuel line connection

• Returns air/vapor to tank via filler neck tee

• Supports performance upgrades and stock applications

• Simple, straightforward installation

Vehicle Fitment:
Compatible with the following GM Duramax 6.6L Diesel platforms:

• 2001–2004 GM 6.6L LB7

• 2004.5–2005 GM 6.6L LLY

• 2006–2007 GM 6.6L LLY/LBZ

• 2007.5–2010 GM 6.6L LMM

What's Included:

• AirDog FP-100-4G Fuel Pump Assembly

• Mounting bracket and hardware

• Fuel lines and fittings

• Wiring harness

• Installation manual
  (See manual for full parts list)