Description
The PAI 141281E (Excel-brand) is a 44-quart stamped-steel rear sump oil pan for Cummins 855 (Small Cam through Big Cam IV) and N14 (Celect / Celect Plus) diesel engines. Direct replacement for Cummins 3031959 with prominent sealing ridges that hold a leak-free seal between pan, gasket, and block. Pan ships bare — mounting gasket kit (PAI 131394 / Cummins 3804303) sold separately.
Signs You Need a New Oil Pan
- Visible cracks, rust-through, or impact damage on the pan body
- Persistent oil leak at the pan-to-block sealing surface
- Stripped or damaged drain plug threads
- Warped sealing flange causing repeated gasket failures
Specifications
| Manufacturer | PAI Industries (Excel) |
|---|---|
| Part Number | 141281E |
| Part Type | Engine Oil Pan |
| Sump Location | Rear Sump |
| Capacity | 44 Quart (11 Gallon) |
| Material | Stamped Steel |
| Finish | Black |
| Weight | 46.3 lb |
| Engine Compatibility | Cummins 855 (Small Cam, Big Cam I–IV), NT855, NTC855, NTCC855, N14 Celect, N14 Celect Plus |
| Gasket Included | No (sold separately) |
| Warranty | 1 Year |
Cross References
This oil pan replaces or is equivalent to the following part numbers:
- Cummins: 3031959, 3030257, 3055070, 3070183, 3071986, 5558845
Related PAI Parts
- PAI 141281: Oil Pan Assembly Kit (pan + gasket, 2-Year Warranty)
- PAI 131394 (Cummins 3804303): Oil Pan Mounting Gasket Kit
- Cummins 3032861: Oil Pan Gasket (bare gasket)
Applications
This rear sump pan fits Cummins 855 and N14 engines installed in:
- Cummins 855 Small Cam / Big Cam I–IV / NT855 / NTC855 (1968–1999)
- Cummins N14 Mechanical, Celect, Celect Plus (1991–2002)
Representative vehicles using these engines:
- Peterbilt 379, 378, 377, 359, 357, 362, 385, 375 (1985–2002)
- Kenworth W900, T800, T600, T400, C500, K100 (1985–2002)
- Freightliner FLD120, FLD112, Classic XL, FLC120, Columbia (1985–2002)
- International 9300, 9400, 9200, Paystar 5000 (1985–2002)
- Western Star 4900, 4800, 4964 (1985–2002)
Order PAI 131394 (Cummins 3804303) gasket kit for a complete reseal. Clean all mating surfaces, apply Cummins-specified sealant at corner joints, and torque pan bolts in the manufacturer’s sequence. Verify your engine serial number and sump configuration (rear vs. front) before ordering.
