Industrial Injection 0986435621-R2 Race 2 Remanufactured 6.7L Cummins Common Rail Injector 125HP 41% Over

The Industrial Injection 0986435621-R2 is an OE Spec Plus Remanufactured Race 2 (R2) common rail fuel injector engineered for the 2013–2018 6.7L Cummins diesel engine. Flowing at 30 LPM and rated at 125 horsepower / 41% over stock, this injector is purpose-built for diesel enthusiasts seeking a meaningful performance upgrade over the factory unit while retaining direct-fit reliability.

Key Features:

• Race 2 (R2) Performance Tier — 41% over stock flow rate at 30 LPM for up to 125HP gain
• OE Spec Plus Remanufactured — each injector is remanufactured and calibrated using Bosch machines and OE procedures
• Extrude Hone Process — nozzle is extrude honed and balanced to a tight tolerance of +/- 2%, compared to OEM's +/- 5%
• Direct Replacement — drop-in fit for 2013–2018 6.7L Cummins common rail applications
• 1-Year Unlimited Mileage Warranty — backed by Industrial Injection's industry-leading warranty
• Includes Hardware — ships with new copper crush washer and o-rings for installation
• Turbo upgrade and upgraded CP3 injection pump (33% or larger) are recommended for optimal performance and EGT management

Installation Notes:

• Replacing connector tubes is strongly recommended during any new injector install
• Only Bosch (F00RJ01572, F00RJ01831) or Cummins (3979419, 5346206) OEM connector tubes should be used — aftermarket connector tubes will void the warranty
• A $150 core charge applies per injector and is refundable upon return of the rebuildable core

OEM / Cross-Reference Part Numbers: 0986435621, 0445120342, 4994925, R8210512AA, R8415373AA

Note: This is a competition/race use product. All Industrial Injection performance injectors are intended for dedicated competition use only. Compliance with applicable emissions regulations is the consumer's responsibility.