Description
Genuine Detroit Diesel OEM 23537213 fuel check valve for the fuel-pump return circuit on Series 60 12.7L and 14L engines, replacing the earlier 23536504 number it supersedes. The valve sits in the fuel return line and prevents fuel drain-back from the gallery during shutdown, helping the system reprime quickly on restart. 5/8″-18 male pipe x 9/16″-24 thread with O-ring; 0.20″ ID, 0.87″ hex, 3.54″ overall length.
Specifications
| Manufacturer | Detroit Diesel (Genuine OEM) |
|---|---|
| Part Number | 23537213 |
| Part Type | Fuel Pump Check Valve |
| Engine Compatibility | Detroit Diesel Series 60 (12.7L, 14L) |
| Thread | 5/8″-18 male pipe x 9/16″-24 |
| Inner Diameter | 0.20 in |
| Hex | 0.87 in |
| Overall Length | 3.54 in |
Cross References
This valve replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23537213, DDE23537213, DDC23537213, 23536504, DDE23536504, DDC23536504
- PAI Industries: 645054
Applications
Fits Detroit Diesel Series 60 fuel-pump returns, 1996–2007 production:
- Detroit Diesel Series 60 12.7L (DDC 11.1L, 12.7L on-highway, mechanical and DDEC III/IV/V)
- Detroit Diesel Series 60 14L (DDEC IV/V/VI)
Representative trucks running these engines:
- Freightliner Classic, Classic XL, Century, Columbia, Coronado, FLD
- Western Star 4900, 5800, 6900
- Kenworth W900, T800, T2000, C500
- Peterbilt 379, 378, 386, 387
- Sterling A-Line, L-Line
Series 60 fuel pumps had multiple variants over the model run — verify the existing valve’s printed/etched part number or VIN before ordering. Replace the O-ring at install.
