Product Description
30% more flow for your LMM. The Industrial Injection 0986435520SE-R2 reman injector is an R2 (Race 2) unit for the 2007.5–2010 6.6L LMM Duramax, flowing ~21 LPM to support tuned trucks with upgraded air and fuel. Calibrated and balanced, built on genuine Bosch bodies, and ready to deliver clean, consistent fueling when you add air and tuning.
Fitment
- 2007.5–2010 Chevrolet/GMC 2500HD/3500HD 6.6L LMM Duramax (VIN “6”)
What’s Included
- (1) Industrial Injection remanufactured fuel injector — R2 / 21 LPM
- Core charge applies (refundable per CPP core policy)
Why Choose This Injector
- 30% over stock (~21 LPM) for tuned street/working builds
- Balanced & calibrated on OE equipment for smooth idle and driveability
- Built from genuine Bosch cores with new wear components
Recommended Parts (CPP Internal Links)
- Bostech ISK637 Injector Return Line Kit (LLY/LBZ/LMM)
- DTech DT660023 Injector Return Line Kit (’04.5–’10)
- Fleece High-Pressure Injection Line (LBZ/LMM)
- Shop All Duramax Injectors & Nozzles
Cross-Reference / Alternatives (Flow Options)
- Stock Flow — 0986435520SE-IIS
- R1 — 19 LPM
- R2 — 21 LPM (this page)
- R3 — 22 LPM
- R4 — 24 LPM
- R5 — 28 LPM
- R6 — 32 LPM
Helpful Notes
- This listing is for a single injector. For a full set, add quantity “8”.
- Professional installation required. Always perform balance rates and return rate checks; replace return lines/seals as needed.
- Best results with adequate air (turbo), healthy CP3, clean filtration, and proper tuning.
FAQ
How much power will 21 LPM support?With proper air/fuel/tuning, R2 (~30% over) comfortably supports tuned work/tow builds and hot street setups. Exact gains depend on turbo, CP3, and calibration.
Is a core charge required?Yes. A refundable core charge applies. Return your acceptable cores per CPP’s core policy to receive a refund.
Do I need to code the injectors?We recommend entering the injector trim codes during installation and verifying balance rates with a scan tool.
Should I replace lines and return hardware?Yes—on higher-mileage trucks, replacing high-pressure lines and the return line seals helps prevent leaks and ensures proper rail pressure.
