Product Description
Industrial Injection 21C313 Reman Injector - 2013-2018 Ram 3500/4500/5500 6.7L Cummins Cab & Chassis (Stock Flow, With Connector Tube)
Part #: 21C313 | Brand: Industrial Injection
This remanufactured OE-equivalent injector is a direct-fit stock replacement for 2013-2018 Ram 3500/4500/5500 Cab & Chassis trucks with the 6.7L Cummins. It comes ready to install with a new Bosch-style connector tube for proper sealing and fuel delivery.
- Stock flow - no tuning required
- Balanced and tested to tight tolerances
- Includes connector tube for a clean, leak-free install
- Built with new OEM-quality internals
Fitment
2013-2018 Ram 3500/4500/5500 Cab & Chassis with 6.7L Cummins diesel (Chassis Cab applications).
What's Included
- (1) Reman stock-flow injector (21C313)
- (1) Connector/feed tube
Recommended Parts & Related Categories
- Injector O-Ring / Seal Kit (per injector): MAHLE GS33614 Seal Kit 07.5-18 6.7L Cummins or DORMAN 904-315 O-Ring Kit 07.5-18 6.7L Cummins
- New Connector/Feed Tubes (set of 6): CPP Diesel 2872288 Feed Tubes
- Injector Clamp / Hold-Down: Cummins 5259180 Clamp
- High-Pressure Injection Line Set: 13-18 Fuel System Components (see HP line set options)
- Shop all 6.7L injectors & accessories: 6.7L Cummins Injectors, Kits & Accessories
Core Charge
This item may require a refundable core charge. Return acceptable cores promptly in original packaging for credit.
Installation Notes
- Always install new connector tubes and seal kits when replacing injectors.
- Torque and cleanliness are critical; follow OEM procedures.
FAQs
Is tuning required with this stock-flow injector?No. This is an OE-equivalent stock-flow unit and does not require tuning.
Do I need to replace connector tubes when installing?Yes. Replacing or including fresh connector tubes helps ensure proper sealing and prevents return leaks. See our recommended tube set above.
Will this fit Pickup models?This listing is for Cab & Chassis applications. For Pickup-specific injectors, shop the 6.7L injector category to match by VIN/ESN.
What comes in the box?One reman stock-flow injector (21C313) and one connector/feed tube.
Is there a core charge?Most reman injectors require a refundable core charge. Add to cart to see the core details and return instructions.
| Brand | Industrial Injection |
| Part Number | 21C313 |
| GTIN | 840256910544 |
| UPC | 840256910544 |
| Engine Compatibility | 2013–2018 RAM 3500/4500/5500 Cab & Chassis with 6.7L Cummins Diesel |
| Configuration | Remanufactured OEM injector; stock flow; includes connector tube; tested and balanced to OE spec |
| Country of Origin | USA |
| Core Charge | $150.00 refundable core (per injector) |
| Shipping Method | Standard ground shipping (single-unit package) |
| Shipping Weight | 3 lb (1.36 kg) |
| Package Dimensions | 9" × 4" × 4" |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
