Duramax LLY / LBZ Lift Pump 2004-2007 Fleece FPE-34789

Fleece diesel lift pump / air-fuel separator for the Duramax LLY / LBZ (2004-2007). Listed for one application: Duramax LLY / LBZ engines, 2004-2007, in Chevrolet, GMC applications. Confirm your engine code and year against this listing before ordering.

What it does

The lift pump feeds the injection pump and, on an air-fuel separator system, pulls air and water out of the fuel before it gets there. Starving the injection pump is the fastest way to kill it, which is why an upgraded lift pump is the cheapest insurance on a common-rail truck.

Fits

• Chevrolet vehicles with the Duramax LLY / LBZ engine, 2004-2007
• GMC vehicles with the Duramax LLY / LBZ engine, 2004-2007

Fixes

• low fuel pressure at the injection pump
• power loss under load and hard starting
• air or water in the fuel
• protecting an expensive injection pump

What's included

• the pump or separator assembly with the fittings and filters listed

Specifications

• Brand: Fleece
• Part number: FPE-34789
• Shipping weight: 14.0 lb
• Condition: new
• Product type: Lift Pump

Cross-reference

Replaces or interchanges with Fleece FPE-34789 for the Duramax LLY / LBZ. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.