Product Description
Overview
Refresh your 2013-2018 Ram 2500/3500 6.7L Cummins with the Industrial Injection 21C311 Reman Injector Pack. This all-in-one kit includes six stock-flow remanufactured injectors and six Bosch connecting tubes for a clean, hassle-free install and OE-quality drivability.
- Built, balanced, and calibrated in a Bosch-authorized facility
- Direct replacement stock flow-smooth idle and restored performance
- Includes copper washers & O-rings
- 2-Year unlimited-mileage warranty
Fitment
- Make/Model: Ram 2500/3500
- Engine: 6.7L Cummins (24V common-rail)
- Years: 2013, 2014, 2015, 2016, 2017, 2018
What's Included
- (6) Remanufactured stock-flow fuel injectors
- (6) Bosch connecting tubes
- Seals: copper washers and O-rings
Recommended CPP Parts
Pair this kit with proven CPP Diesel parts to complete the job right:
- 6.7L Cummins Injectors, Kits & Accessories - tools, seal kits, and accessories for a smooth install.
- CPP Diesel Fuel Injector Feed Tube Set (2003-2018 Cummins) - fresh feed tubes help ensure a proper seal and long injector life.
- Industrial Injection CP3 “Bag of Parts (07.5-18) - adds pump volume; ideal if you're refreshing the fuel system.
- Industrial Injection Dual CP3 Kit w/ Pump (07.5-18) - rock-solid rail pressure and future power headroom.
- Injector Harness Connector Pigtail (2006-Present) - cure brittle connectors while you're there.
Helpful Notes
- Always install with clean fuel, new seals, and properly torqued connecting/feed tubes.
- Using only genuine Bosch/Cummins-spec connector tubes is required to preserve injector warranty.
- Core charge applies; return cores promptly for credit.
Specifications
| Brand | Industrial Injection |
| Part Number | 21C311 |
| Application | 2013-2018 Ram 2500/3500 6.7L Cummins |
| Flow | Stock (OE-equivalent) |
| Quantity | Set of 6 injectors + 6 Bosch connecting tubes |
| Warranty | 2-Year, unlimited mileage |
| Core Charge | $600 (refundable upon acceptable cores) |
| UPC | 840256904840 |
FAQ
Is this a direct replacement for stock power levels?Yes. These are stock-flow reman injectors calibrated to OE-level performance for smooth idle, clean emissions equipment operation, and factory-like drivability.
Do I need new connector or feed tubes?This pack includes Bosch connector tubes. If your feed tubes are worn or pitted, replace them to ensure a proper seal and avoid return leaks. See our CPP feed tube set above.
Will aftermarket connector tubes void the warranty?Yes-use only Bosch/Cummins-spec tubes to maintain injector warranty coverage.
Is there a core charge?Yes. A refundable $600 core charge applies. Return acceptable cores using the original packaging for prompt credit.
Do I need tuning?No tuning is required for stock-flow replacement injectors.
