Description
Fuel pump mounting gasket for Cummins ISX heavy-duty diesel engines, replacing Cummins 3686758 and 5414049 (also marketed as Freightliner CUM5414049 and Kenworth 5414049CUM). The PAI 131842 seals the high-pressure fuel pump to the gear housing during pump replacement, in-frame overhauls, and CM871/CM2250/CM2350 timing service.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 131842 |
| Part Type | Fuel Pump Mounting Gasket |
| Engine Compatibility | Cummins ISX 15.0L (Signature, ISX12, ISX15) |
Cross References
This gasket replaces or is equivalent to the following part numbers:
- Cummins: 3686758, 5414049
- Freightliner: CUM5414049
- Kenworth: 5414049CUM
Applications
This gasket fits the following engines:
- Cummins ISX 15.0L (Signature 600, ISX, ISX15) on-highway and vocational
- Cummins ISX12 11.9L
Representative vehicles using these engines include Freightliner Cascadia / Coronado, Kenworth T660 / T680 / T800 / W900, Peterbilt 386 / 389 / 579, International ProStar, and Volvo VNL when fitted with Cummins.
Replace the gasket whenever the high-pressure fuel pump is removed; clean both mating surfaces and torque the pump fasteners to Cummins service-manual specification.









