GMC Sierra 3500 HD Fuel Injector Replacement

It is for vehicles that are not flex fuel compatible.

It is compatible with both gasoline and CNG (compressed natural gas) systems. Built for vehicles with option code L96 (verify your vehicle's 8th VIN digit is G).

Recommend replacement of fuel filter when injector is replaced (where applicable).

It fits gasoline engines and is not for flex fuel vehicles. Built for vehicles where the 8th digit of the VIN is T.

Recommend replacement of fuel filter when injector is replaced (where applicable).

Injector marked 12628422, 12656008, 12668393, 12677809, 12684126, 12687703, 12687709, 12709470, 12709478 | Recommend replacement of fuel filter when injector is replaced (where applicable).

New

It also fits vehicles with the 5.3L engine, the 6.0L engine (option code LY6) with VIN digit 8 being K, and the 6.0L engine (option code L76) with VIN digit 8 being Y.

Mileage: 109,800 miles

New

It includes both sides (2 pieces). For vehicles with the 6.6L diesel engine.

Mileage: 69,000 miles

This is a low flow version (option code L8B). One is required per cylinder.

Mileage: 21,500 miles

For vehicles with the 6.6L turbo diesel engine. Built for the US market. Verify your vehicle's 8th VIN digit is 1.

Single Injector New

Nominal Flow New

Low Flow, Services Fuel Injector Marked 12644386,12656010,12668395,12679777,12684128,12687711,12709471, Incl.O-Ring,Retainer and Seal

New

For vehicles with the 6.6L diesel engine. This is the fuel rail.

Mileage: 67,000 miles

For vehicles with the 6.6L turbo diesel engine. This is a rebuildable core. Built for vehicles where the 8th digit of the VIN is L (option code LGH).

Mileage: 238,000 miles

Always replace fuel filter when injector is replaced.

Built for vehicles where the 8th digit of the VIN is 8.

Indirect Injector New

Remanufactured

Replaces OE Part Number(s) 98002368 RPO Code LMM

Always replace fuel filter when injector is replaced.

Recommend replacement of fuel injector high pressure fuel line at time of injector replacement. Use P/Ns 7-022, 7-023, 7-024, 7-025 (see catalog data). Always replace fuel filter when injector is replaced.

Combustion chamber seal ring pre-assembled at injector One per cylinder Remanufactured with 100% OE parts

Remanufactured

LBZ engine; Exchange;

w/ Indirect Fuel Injector

Built for vehicles where the 8th digit of the VIN is 2.

Built for vehicles where the 8th digit of the VIN is 6 (option code LMM).

LMM engine; Exchange;

Remanufactured

Individual injector; LBZ;

Remanufactured

Combustion chamber seal ring pre-assembled at injector One per cylinder Remanufactured with 100% OE parts

LBZ engine; Exchange;

Individual injector; LMM;

LMM engine; Exchange;

LBZ engine; Stage 2; 90 hp Increase;

Actual OE part Combustion chamber seal ring pre-assembled at injector One per cylinder

Combustion chamber seal ring pre-assembled at injector One per cylinder Remanufactured with 100% OE parts

Except Indirect Fuel Injector

Multi-Pack New

Actual OE part Combustion chamber seal ring pre-assembled at injector One per cylinder