Industrial 0986435502(SET) OEM Stock Injectors | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Industrial Injection 0986435502 (SET) OEM Stock Injectors | 2001–2004 GM 6.6L Duramax LB7

OEM-Quality Replacement Injectors for Duramax LB7
The Industrial Injection 0986435502 injector set is a direct replacement for the factory injectors in 2001–2004 GM 6.6L Duramax LB7 engines. Designed to meet or exceed OEM standards, these injectors restore factory fuel delivery, optimize combustion efficiency, and ensure reliable performance under daily driving, towing, or light-duty work conditions.

Precision-Tested for Consistent Fuel Delivery
Each injector in this 8-piece set is built and tested to strict tolerances, ensuring accurate spray patterns and fuel atomization. This helps reduce smoke, improve throttle response, and deliver the balanced performance that stock Duramax owners expect. Whether you’re addressing injector failure or refreshing a high-mileage engine, this set offers a dependable solution.

Stock HP Output with Clean Emissions
These injectors are calibrated for factory horsepower and are emissions-compliant, making them perfect for trucks running stock ECM tuning or mild upgrades. If your LB7 is experiencing hard starts, misfires, excessive smoke, or poor fuel economy, these OEM injectors are the fix.

Key Features:

• Complete set of 8 OEM stock replacement injectors

• Flow-matched for consistent performance

• Improves starting, idle smoothness, and fuel economy

• Restores factory horsepower and torque output

• Ideal for stock or lightly tuned Duramax LB7 engines

• Built and tested to OEM standards for reliability

Fitment:
2001, 2002, 2003, 2004 GM 2500HD / 3500HD 6.6L Duramax LB7

Warranty:
Manufacturer’s limited warranty against defects in materials or workmanship.

Fitment Notes:

• Only for use with LB7 engine code

• Professional installation recommended; new fuel return lines and seals may be required during replacement