New Injector O-Ring for Cummins ISX15 Engines

This high-quality injector O-ring kit is designed for Cummins ISX15 engines, providing all the critical seals needed to service one fuel injector. Built to handle the high pressure and heat of modern heavy-duty diesel systems, this kit ensures leak-free performance, proper injector seating, and long-term engine reliability.

Part Number: 3347939
Fits: Cummins ISX15 (including CM871, CM2250, CM2350 variants)
Includes: Complete O-ring set for 1 injector
Condition: New, premium aftermarket replacement
Application: Injector sealing to cylinder head
Features & Benefits:
- Prevents fuel, oil, and compression leaks
- High-temp and fuel-resistant materials
- Precision-fit design for easy installation
- Meets or exceeds OEM specifications

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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