Description
The PAI 642022 is a complete valve cover bolt and isolator assembly that replaces Detroit Diesel 23522271 on Series 60 11.1L, 12.7L, and 14L engines. It fastens the rocker cover to the cylinder head while isolating the cover from engine vibration to maintain a quiet, leak-free seal. The matching rubber-only isolator is available separately as PAI 642023 (Detroit 23522270).
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 642022 |
| Part Type | Valve Cover Bolt / Isolator Assembly |
| Engine Compatibility | Detroit Diesel Series 60 (11.1L / 12.7L / 14L) |
| Sold As | Each (one bolt + isolator) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23522271
Applications
This valve cover bolt and isolator assembly fits the following engines:
- Detroit Diesel Series 60 11.1L (1987–2007)
- Detroit Diesel Series 60 12.7L (1987–2003)
- Detroit Diesel Series 60 14.0L (2002–2011)
Representative vehicles using these engines:
- Freightliner Century / Classic / Columbia / Coronado (1990s–2000s)
- Western Star 4900 / 5900 (1990s–2000s)
- Sterling A9500 / AT9500 (2000s)
Verify your engine serial number and configuration before ordering to confirm fitment.
