New Injector O-Ring Kit for Cummins 6C, ISC & ISL Engines

This premium injector O-ring kit is designed for use on Cummins 6C, ISC, and ISL engines. It provides all the necessary seals to service one fuel injector, restoring proper sealing and preventing fuel, oil, and compression leaks. Built with high-temperature, high-pressure resistant materials, this kit ensures long-lasting injector performance and engine reliability.

Part Number: 121371
Fits:
- Cummins 6C
- Cummins ISC
- Cummins ISL
Includes: Complete O-ring set for one injector
Application: Fuel injector to cylinder head sealing
Condition: New aftermarket replacement
Features & Benefits:
- OEM-quality sealing performance
- Resistant to extreme engine temperatures and fuel pressure
- Prevents combustion and fuel system leaks
- Quick, secure installation for professional or in-house repairs

Weight
Dimensions

We offer free standard ground shipping within the USA! If you need your parts in a hurry and would like to get them overnighted or expedited, please give us a call !

NOTE - CUT OFF TIME FOR SAME DAY SHIPPING IS 3PM CENTRAL TIME. ORDERS PLACED AFTER 3PM WILL SHIP OUT NEXT BUSINESS DAY. NEXTDAY SHIPMENTS THAT DO NOT ARRIVE ON TIME ARE NON-REFUNDABLE.
-FOR ORDERS INCLUDING HEAVY ITEMS(INFRAME KITS, HEADS,ETC.) WILL BE PLACED ON A SHORT HOLD WHILE WE VERIFY ADDRESS AND SHIPPING IS CORRECT.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

NOTE - All open orders will have a 20% restocking fee. All returns will have a shipping fee.

1 YEAR WARRANTY

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