INDUSTRIAL INJECTION 0986435520SE-R5 LMM DURAMAX REMAN INJECTOR — 2007.5–2010 6.6L — 28 LPM

Dial in clean, consistent fueling on your LMM with the INDUSTRIAL INJECTION 0986435520SE-R5 reman injector. Flow-rated at 28 LPM, this unit is built and balanced to tight tolerances for 2007.5–2010 GM 6.6L Duramax LMM applications where added fuel is needed with tuning and airflow upgrades.

Fitment

• 2007.5–2010 Chevrolet Silverado 2500HD/3500HD — 6.6L Duramax LMM
• 2007.5–2010 GMC Sierra 2500HD/3500HD — 6.6L Duramax LMM

What’s Included

• (1) Remanufactured fuel injector — 28 LPM (R5)
• Pre-installed internal components calibrated for LMM

Why Buy This Injector

• 28 LPM flow to support tuned/air-upgraded LMM builds
• OE-style calibration & balance for smooth idle and drivability
• Direct fit for LMM high-pressure common-rail systems

Recommended Parts (CPP Internal Links)

• DTECH DT660023 Injector Return Line Kit (LLY/LBZ/LMM)
• DORMAN 904-155 High-Pressure Injector Line (example: cyl 3/6)
• Industrial Injection 438403 CP3 “Bag of Parts” (LBZ/LMM)
• Wehrli WCF100233 Twin CP3 Kit (LBZ/LMM)
• DORMAN 904-517 Fuel Filter Housing (LLY/LBZ/LMM/LML)
• Shop All Duramax Injectors & Nozzles

Cross-Reference / Alternatives

• Industrial Injection 0986435520SE-IIS — Stock Flow (LMM)
• Other LMM Industrial Injection flow options (R1/R2/R3/R4/R6) are available on our Duramax Parts listings.
• Looking for matched high-flow sets? See S&S LMM SAC sets (e.g. 30% Over, 45% Over, 450% Over).

Helpful Notes

• Professional installation and custom tuning recommended to utilize 28 LPM flow while maintaining rail pressure and clean emissions strategy where applicable.
• Always install with fresh return line hardware, verify leak-free filter housing, and consider CP3 health/support (lift pump/filtration) before increasing injector flow.
• Core program: see our Shipping & Returns page for core return timelines and credit info.

FAQ

This listing is for one remanufactured injector (R5 — 28 LPM). Order the quantity you need for your service or build.

Yes—tuning is strongly recommended to match the added flow, protect the CP3, and maintain drivability.

At minimum: the injector return line seals/hardware and any suspect high-pressure lines. Inspect/refresh the filter housing and ensure healthy low-pressure fuel supply.

Most reman injectors require a refundable core deposit. Review the core details and timeline on our Shipping & Returns page.