INDUSTRIAL INJECTION 0986435520SE-R3 GM REMAN INJECTOR - 2007.5-2010 6.6L DURAMAX LMM - 22 LPM

Step up fueling on your LMM the right way. The INDUSTRIAL INJECTION 0986435520SE-R3 is a reman Bosch-style common-rail injector for the 2007.5-2010 6.6L Duramax LMM. Flowed to ~22 LPM (≈40% over stock) and balanced for consistent delivery, it's a proven choice for street/strip builds when paired with proper air, lift pump, and tuning.

Fitment

• 2007.5-2010 Chevy Silverado 2500HD/3500HD - 6.6L Duramax LMM
• 2007.5-2010 GMC Sierra 2500HD/3500HD - 6.6L Duramax LMM

What's Included

• (1) Remanufactured injector - 22 LPM (R3 • ~40% over)
• New sealing hardware as supplied by manufacturer (copper washer / O-rings)
• Core program applies per CPP policy

Key Features

• 22 LPM flow (R3) for noticeable power headroom on LMM
• Matched & balanced for smooth idle and clean transition
• Direct-fit replacement; OE-style electrical and fuel connections

Recommended Parts (CPP internal links)

• Bostech ISK637 Injector Return Line Kit (LLY/LBZ/LMM)
• DTECH DT660023 Injector Return Line Kit (LLY/LBZ/LMM)
• Shop All GM Duramax Injectors & Nozzles
• Fuel System Upgrades (Lift Pumps, Filters, Rails)
• Exergy 10mm Stroker CP3 Pump - LMM

Cross-Reference / Alternatives

• Industrial Injection 0986435520SE-IIS (Stock Flow)
• Industrial Injection 0986435520SE-R1 - 19 LPM (~20% over)
• Industrial Injection 0986435520SE-R2 - 21 LPM (~30% over)
• Industrial Injection 0986435520SE-R6 - 32 LPM (high flow)
• S&S Diesel LMM 45% Over SAC Set (New) - full matched set option

Helpful Notes

• Professional installation recommended; always use fresh sealing hardware and torque to spec.
• For R3 and higher flows, plan for tuning, a quality lift pump, and adequate air supply.

FAQ

This SKU is for one injector. Order quantity (8) for a complete set.

Yes. ~40% over stock typically needs calibration plus a lift pump to maintain rail pressure under load.

2007.5-2010 Silverado/Sierra 2500HD/3500HD with the 6.6L Duramax LMM engine.

It's highly recommended to refresh LMM return lines and seals during injector service to prevent leaks.