Industrial Injection 433403 6.6L Duramax LLY Stage 1 Injector Bag of Parts Kit

The Industrial Injection 433403 is a Stage I Bag of Parts rebuild kit designed specifically for the 6.6L Duramax LLY diesel engine. This comprehensive parts kit provides everything needed to restore or upgrade fuel injector performance, making it an ideal solution for high-mileage engines or those requiring precision diesel fuel system service.

Industrial Injection is a leader in diesel fuel injection technology, engineering their Bag of Parts kits to meet or exceed OEM specifications while supporting enhanced performance builds. The Stage I kit is designed for stock to mildly modified applications where reliability and restored injector function are the primary goals.

Key Features:

• Engineered specifically for the 6.6L Duramax LLY engine platform
• Stage I specification — ideal for stock and lightly modified diesel applications
• Includes all critical internal injector components needed for a complete rebuild
• Manufactured to tight tolerances for consistent fuel delivery and reliable performance
• Sourced and assembled by Industrial Injection, a trusted name in diesel fuel system rebuilding
• Helps restore proper spray pattern, fuel atomization, and injector response

Whether you are a professional diesel technician or a dedicated enthusiast rebuilding your own injectors, the Industrial Injection 433403 Bag of Parts kit delivers the quality components necessary to get your 6.6L LLY Duramax running at its best.