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Thumbnail Filmstrip of LB7 Duramax Reman Fuel Injector Alliant Power AP55502 Images
Engineered to thrive under extreme operating conditions, the Alliant Power AP55502 Remanufactured Fuel Injector restores peak horsepower and fuel efficiency to your 2001–2004 GM 6.6L LB7 Duramax engine. As the top choice among professional diesel technicians, this high-performance injector addresses the unique mechanical demands of your Chevrolet Silverado or GMC Sierra HD truck. By maintaining precise fuel atomization and maximizing delivery under heavy loads, it plays a vital role in protecting your engine against common high-mileage wear, power loss, and excessive exhaust emissions.
OEM-Grade Precision Manufacturing: Assembled strictly with original equipment or OE-equivalent components, featuring 100% reconditioned injector bodies that drastically reduce internal fuel leakage while maximizing service life.
Rigorous End-of-Line Testing: Every unit undergoes exhaustive automated testing on OE-level equipment to verify performance across up to 15 distinct pressure stages and pulse widths, ensuring exact injection timing from start to finish.
Direct-Fit OE Design: Built to exact factory dimensions to guarantee seamless, bolt-on installation into your LB7 engine bay without needing custom modifications.
Unbeatable Warranty Coverage: Backed by a comprehensive 2-Year / Unlimited Mileage Manufacturer Warranty for total peace of mind on the road or job site.
Choosing a certified remanufactured injector like the AP55502 ensures your fuel system operates at the strict tolerances mandated by the original vehicle manufacturer. The precision tolerances engineered into this unit stabilize rail pressure and optimize combustion chamber temperatures, extending the working life of surrounding engine components. Invest in Alliant Power’s proven manufacturing process to restore factory-level performance, dependable cold starts, and reliable towing power to your HD diesel truck.
Included:
- (1) Reman Injector
- (1) Chamber Nozzle Tip Gasket
- (2) Injector Sealing O-ring
Engineered to thrive under extreme operating conditions, the Alliant Power AP55502 Remanufactured Fuel Injector restores peak horsepower and fuel efficiency to your 2001–2004 GM 6.6L LB7 Duramax engine. As the top choice among professional diesel technicians, this high-performance injector addresses the unique mechanical demands of your Chevrolet Silverado or GMC Sierra HD truck. By maintaining precise fuel atomization and maximizing delivery under heavy loads, it plays a vital role in protecting your engine against common high-mileage wear, power loss, and excessive exhaust emissions.
OEM-Grade Precision Manufacturing: Assembled strictly with original equipment or OE-equivalent components, featuring 100% reconditioned injector bodies that drastically reduce internal fuel leakage while maximizing service life.
Rigorous End-of-Line Testing: Every unit undergoes exhaustive automated testing on OE-level equipment to verify performance across up to 15 distinct pressure stages and pulse widths, ensuring exact injection timing from start to finish.
Direct-Fit OE Design: Built to exact factory dimensions to guarantee seamless, bolt-on installation into your LB7 engine b[...]
Engineered to thrive under extreme operating conditions, the Alliant Power AP55502 Remanufactured Fuel Injector restores peak horsepower and fuel efficiency to your 2001–2004 GM 6.6L LB7 Duramax engine. As the top choice among professional diesel technicians, this high-performance injector addresses the unique mechanical demands of your Chevrolet Silverado or GMC Sierra HD truck. By maintaining precise fuel atomization and maximizing delivery under heavy loads, it plays a vital role in protecting your engine against common high-mileage wear, power loss, and excessive exhaust emissions.
OEM-Grade Precision Manufacturing: Assembled strictly with original equipment or OE-equivalent components, featuring 100% reconditioned injector bodies that drastically reduce internal fuel leakage while maximizing service life.
Rigorous End-of-Line Testing: Every unit undergoes exhaustive automated testing on OE-level equipment to verify performance across up to 15 distinct pressure stages and pulse widths, ensuring exact injection timing from start to finish.
Direct-Fit OE Design: Built to exact factory dimensions to guarantee seamless, bolt-on installation into your LB7 engine bay without needing custom modifications.
Unbeatable Warranty Coverage: Backed by a comprehensive 2-Year / Unlimited Mileage Manufacturer Warranty for total peace of mind on the road or job site.
Choosing a certified remanufactured injector like the AP55502 ensures your fuel system operates at the strict tolerances mandated by the original vehicle manufacturer. The precision tolerances engineered into this unit stabilize rail pressure and optimize combustion chamber temperatures, extending the working life of surrounding engine components. Invest in Alliant Power’s proven manufacturing process to restore factory-level performance, dependable cold starts, and reliable towing power to your HD diesel truck.
Included:
- (1) Reman Injector
- (1) Chamber Nozzle Tip Gasket
- (2) Injector Sealing O-ring