Description
PAI 621230 front crankshaft (front main) oil seal for Detroit Diesel Series 50 and Series 60 engines (11.1L, 12.7L, and 14L). Direct replacement for Detroit Diesel 23518355, 23513485, and 8929750. 5.17 in free ID × 6.509 in OD × 0.73 in width (131.31 × 165.32 × 18.54 mm).
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 621230 |
| Part Type | Front Crankshaft Oil Seal |
| Engine Compatibility | Detroit Diesel Series 50, Series 60 (11.1L, 12.7L, 14L) |
| Free Inner Diameter | 5.17 in (131.31 mm) |
| Outer Diameter | 6.509 in (165.32 mm) |
| Width | 0.73 in (18.54 mm) |
| Special Tool | Detroit J-35686-B (front/rear seal & sleeve installer) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23518355, 23513485, 8929750
- Interstate McBee: A-23518355, A-23513485
- PAI Industries: 621230
Applications
This front crank seal fits the following engines:
- Detroit Diesel Series 50 — 8.5L
- Detroit Diesel Series 60 — 11.1L (1987–1990)
- Detroit Diesel Series 60 — 12.7L (1991–2007)
- Detroit Diesel Series 60 — 14.0L (2001–2011)
Representative vehicles using these engines:
- Freightliner Classic, Century, Columbia (Series 60, 1991–2011)
- Western Star 4900, 5900 (Series 60)
- Sterling A-Line, L-Line (Series 60)
- Transit bus and motorcoach chassis with Detroit Series 50
Verify your engine serial number and front-cover style before ordering. Use Detroit’s J-35686-B (or equivalent) seal installer to avoid damaging the seal lip during installation.
