Description
PAI 650700 is an aftermarket oil pressure sensor that replaces Detroit Diesel OEM 23527828 on Series 60 11.1L, 12.7L, and 14L engines. Three-pin rectangular Packard connector with 1/4-18 NPT thread (factory locking compound), 2.68 in overall length — mounts in the oil galley pressure port and feeds the DDEC ECM oil-pressure circuit and dash gauge.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 650700 |
| Part Type | Oil Pressure Sensor |
| Connector | 3-pin rectangular (Packard / Metri-Pack style) |
| Thread | 1/4-18 NPT with locking compound |
| Overall Length | 2.68 in |
| Engine Compatibility | Detroit Diesel Series 60 (11.1L, 12.7L, 14L) |
Cross References
This oil pressure sensor replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23527828
- PAI Industries: 650700
- Interstate-McBee: A-23527828
- Fortpro: F238832
Applications
This sensor fits the following Detroit Diesel engines:
- Detroit Diesel Series 60 11.1L (1987 – mid-1990s on-highway and industrial)
- Detroit Diesel Series 60 12.7L (1992 – 2007 on-highway, DDEC III/IV/V)
- Detroit Diesel Series 60 14L (2002 – 2011 on-highway, DDEC V/VI/EPA10)
Representative vehicles using these engines:
- Class 8 tractors with Detroit Series 60 (Freightliner FLD/Classic/Columbia/Century, Western Star 4900/5900, Kenworth W900, Peterbilt 379) (1990 – 2011)
- Vocational dump and refuse trucks with Series 60
- Industrial and gen-set installations using Series 60
This sensor is for the Series 60 platform. The later DD13 / DD15 / DD16 engines use a different oil-pressure sensor and connector — verify your engine ECM family before ordering.









