Description
The PAI 641283 is a complete oil pan kit for Detroit Diesel Series 60 12.7L and 14L engines with front sump configuration, replacing OEM Detroit 23522282. The kit includes the molded glass-filled plastic (SMC) oil pan, the 23522279 gasket, and ten isolator bolt assemblies for a full bottom-end reseal. Manufactured in the USA by PAI Industries and backed by a 2-year unlimited-mileage warranty.
Signs You Need a New Oil Pan
- Visible oil leaks from the pan sealing surface
- Cracks or impact damage to the pan body
- Stripped or damaged drain plug threads
- Worn or deteriorated isolator mounts causing vibration
- Warped sealing flange causing persistent gasket leaks
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 641283 |
| Part Type | Oil Pan Kit |
| Sump Location | Front |
| Capacity | 40 Quart |
| Material | Glass-Filled Plastic (SMC) |
| Finish | Gray |
| Drain Plug Thread | 3/4-14 |
| Mounting Holes | 10 |
| Oil Level Sensor Port | Yes |
| Drain Plug Included | Yes |
| Engine Compatibility | Detroit Diesel Series 60 12.7L / 14L |
| Country of Origin | USA |
| Warranty | 2 Years Unlimited Mileage |
Kit Includes
- Oil Pan, front sump, glass-filled plastic — PAI 641280E (qty 1)
- Oil Pan Gasket — PAI 631261 (OEM Detroit 23522279) (qty 1)
- Isolator Bolt Assemblies — vibration-dampening mounts (qty 10)
Cross References
This part replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23522282
- Also known as: 23521170, 23504160
Applications
This oil pan kit fits the following Detroit Diesel engine configuration:
- Detroit Diesel Series 60 12.7L / 14L, front sump (1987–2007)
Representative vehicles using this engine and sump configuration:
- Freightliner Argosy, Century Class C112/C120, Classic, Classic XL, Columbia 112/120, Coronado 132, FLC112/120, FLD112/120 (1995–2017)
- Western Star 4900SA and other Series 60-equipped models (1995–2007)
- Sterling A9500, AT9500 with Series 60 (1999–2007)
- International 9200i, 9400i with Series 60 (1999–2010)
For rear sump Series 60 engines, see PAI 641282.
Verify your engine serial number and sump configuration (front vs. rear) before ordering. Front sump and rear sump pans are not interchangeable.









