Product Description
Step up fueling on your 2006-2007 6.6L Duramax with the Industrial Injection 0986435521SE-R1 Reman Performance Injector. This R1 (≈20% over) unit is calibrated to flow ~23 LPM for clean, controllable power when paired with proper air, fuel supply, and tuning.
Fitment
- 2006-2007 Chevy/GMC 2500HD/3500HD 6.6L Duramax LLY/LBZ
What's Included
- (1) Remanufactured performance injector - 0986435521SE-R1 (~23 LPM)
- New sealing hardware as supplied by manufacturer (core return typically required)
Key Features
- R1 20% over calibration (~23 LPM) for increased fueling headroom
- Precision honed and balanced for consistent cylinder-to-cylinder delivery
- Remanufactured from OE-grade components for durability and reliability
Recommended Parts (CPP Internal Links)
- S&S NEW LBZ-BASED CP3 PUMP (2001-2010) - stable rail pressure for upgraded injectors
- Exergy 2000-BAR RAIL PRESSURE RELIEF VALVE (LLY/LBZ/LMM)
- DTech Injector Lines (LBZ/LMM) - replace aged high-pressure lines
- Dorman Fuel Filter Head Assembly (LLY/LBZ/LMM/LML)
- Shop All Duramax Injectors & Nozzles
Cross-Reference / Alternatives
- Bosch 0986435521 - Reman (LBZ) - stock flow option
- Industrial Injection 0986435521SE-IIS - Stock Flow
- Industrial Injection 0986435521SEDFLY - DragonFly (≈22 LPM)
- BD Diesel LBZ Stage 1 (+33%)
Helpful Notes
- Professional installation and custom tuning recommended. Verify balance rates after install.
- Use a quality lift pump/filtration to protect the CP3 and injectors.
FAQ
Is this a single injector or a full set?This listing is for one (1) reman performance injector. Order quantity 8 for a complete set.
How much more does the R1 flow vs. stock?R1 is roughly 20% over stock, calibrated to about 23 LPM when properly tested and referenced.
Do I need a bigger CP3?For best results and to maintain commanded rail pressure under load, an upgraded LBZ-based CP3 is recommended when running higher-flow injectors.
Will these fit both 2006 LLY and LBZ trucks?Yes-this injector family covers 2006-2007 LLY/LBZ applications that share the 0986435521 pattern. Always confirm by VIN before ordering.
| Specifications for INDUSTRIAL INJECTION 0986435521SE-R1 | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0986435521SE-R1 |
| GTIN | 00840256902846 |
| UPC | 840256902846 |
| Engine Compatibility | 2006–2007 GM/Chevy & GMC 6.6L Duramax LLY/LBZ |
| Configuration | Reman Performance Injector — R1 (≈20% over), ~23 LPM |
| Country of Origin | Not specified |
| Core Charge | $100 (refundable per supplier policy) |
| Shipping Weight | 2 lb (each injector) |
| Package Dimensions | 11" × 5" × 3" (each injector carton) |
| Shipping Method | Ground (Small Parcel) |
| Prop 65 Warning | This product can expose you to chemicals including lead and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more. |
