Description
Used genuine Cummins OEM vent tube (3686677) pulled from an ISX15 400ST CM2350 X101 build dated 2015. Serviceable replacement for ISX15 crankcase ventilation when a new tube isn’t required. Sold as-is, inspected for cracks and connector integrity before shipping.
Specifications
| Manufacturer | Cummins |
|---|---|
| Part Number | 3686677 |
| Part Type | Vent Tube |
| Condition | Used (Genuine OEM) |
| Engine Model | Cummins ISX15 |
| Marketing Model | ISX15 400ST |
| Service Model | ISX15 CM2350 X101 |
| Build Date | 2015 |
Cross References
This vent tube replaces or is equivalent to the following part numbers:
- Cummins: 3686677
Applications
This vent tube fits the following engines:
- Cummins ISX15 CM2350 X101 (2013–current EPA17/GHG17 platforms)
Representative vehicles using these engines:
- Kenworth T680, T880, W990
- Peterbilt 579, 567, 389
- Freightliner Cascadia (ISX15-equipped)
- International LT, RH (ISX15-equipped)
This is a used part. Verify your engine serial number, CM module, and tube routing before ordering. Inspect for hairline cracks before installation.
