Description
Rear crankshaft oil seal and wear sleeve kit for Cummins ISX, ISX12, ISX12G, and ISX15 engines, supplied by PAI Industries (PAI 136131) as a direct aftermarket replacement for Cummins OEM 4965569. The kit includes the rear main lip seal and matching crankshaft wear sleeve / spacer used at the flywheel-end of the crank where the rear cover seals against the rotating shaft. Used during in-frame and out-of-frame overhauls, flywheel housing service, or any rear oil leak repair on the ISX platform.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 136131 |
| Part Type | Rear Crankshaft Seal & Wear Sleeve Kit |
| Engine Compatibility | Cummins ISX, ISX12, ISX12G, ISX15 |
| Replaces | Cummins 4965569 (current OE) |
Cross References
This kit replaces or is equivalent to the following Cummins OE numbers:
- Cummins: 4965569 (current)
- Cummins: 4962603
- Cummins: 4926527
- Cummins: 4101422
- Cummins: 3680095
Applications
This rear crankshaft seal kit fits the following engines:
- Cummins ISX 15L (2002-present)
- Cummins ISX12 / ISX12G 11.9L (2010-present)
- Cummins ISX15 15L (2010-present)
Representative chassis using these engines:
- Kenworth T660, T680, T800, W900 (2002-present, ISX-equipped)
- Peterbilt 386, 388, 389, 567, 579 (2002-present, ISX-equipped)
- Freightliner Cascadia, Coronado, Argosy (2002-present, ISX-equipped)
- Volvo VNL, VNM (2002-2007, Cummins ISX option)
Verify your Cummins ESN and the current OEM seal supersession before ordering to confirm the correct rear seal configuration.









