Description
Injector Sleeve Tube with Seal 3686961 3685966 (Set of 6) – Replacement for Cummins ISX & ISX15 Diesel Engine
Aftermarket injector sleeve tube set with seals engineered for leak-free injector seating and reliable fuel system integrity in Cummins ISX and ISX15 diesel engine applications. Precision-manufactured components ensure drop-in compatibility with correct fitment.
Technical Specifications
- Part Numbers: 3686961, 3685966
- Quantity: 6 pieces per set (sleeves with seals)
- Condition: New, aftermarket replacement
- Function: Injector bore sealing, coolant passage isolation, and injector tip protection in the cylinder head
Equipment Compatibility
Fits Cummins Diesel Engine Models:
- ISX (Single Cam)
- ISX15
- QSX15
- X15 CM2350
Why Choose This Injector Sleeve Tube Set
The injector sleeve tube is a critical sealing component in your Cummins ISX engine’s cylinder head, isolating the injector from coolant passages and ensuring a leak-free, high-pressure fuel environment for precise injection. This replacement set delivers:
- Leak-free injector seating – Engineered to maintain correct bore dimensions and seal integrity for your Cummins ISX / ISX15 / QSX15 engine
- Exact-fit installation – Direct replacement with correct sleeve diameter, length, and seal specification
- Durable construction – Built to withstand high cylinder head temperatures, combustion pressure, and coolant exposure
- Cost-effective solution – Aftermarket quality at a fraction of dealer pricing
Package Contents
- 6 × Injector Sleeve Tube with Seal (3686961 / 3685966)
Essential for cylinder head rebuild, injector service, and preventive maintenance. Keep your Cummins ISX diesel engine running efficiently and reliably on every haul.
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