Description
The PAI 631359 is an aftermarket engine oil pan gasket for Detroit Diesel DD15 engines built with the composite (plastic) oil pan. Direct replacement for Detroit Diesel A4720140322 and A4720140222, and Freightliner DDEA4720140322 / DDEA4720140222. Sized 46.00 in x 15.18 in x 0.43 in to seal the DD15 lower-block-to-pan interface.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 631359 |
| Part Type | Oil Pan Gasket |
| Engine Compatibility | Detroit Diesel DD15 |
| Pan Type | Composite (plastic) oil pan |
| Dimensions | 46.00 in x 15.18 in x 0.43 in |
| Approximate Weight | 0.45 lb |
Cross References
This oil pan gasket replaces or is equivalent to the following part numbers:
- Detroit Diesel: A4720140222, A4720140322
- Freightliner / Detroit (DDE): DDEA4720140222, DDEA4720140322
Applications
This oil pan gasket fits the following engines:
- Detroit Diesel DD15 14.8L (with composite/plastic oil pan)
Representative vehicles using this engine:
- Freightliner Cascadia (2008–current, DD15-equipped)
- Freightliner Coronado (2008–2015, DD15-equipped)
- Freightliner Columbia (2008–2011, DD15-equipped)
- Western Star 4900, 5700XE, 4700, 49X, 57X (DD15-equipped)
Verify your DD15 oil pan material before ordering — DD15 engines built with the aluminum oil pan use PAI 631263 (Detroit A4720140022) instead. The 631359 is also included with the PAI 641292 DD15 oil-pan kit.









