Paccar 1972591PEX Fuel Injector – MX13 12.9L DEF 5" extended / 14" compressed

5" extended / 14" compressed length and twin LS54 loop bushings (3/4" sleeve ID × 1-3/4" OAL)

7 mm) Bolt Holes 10 Wheel Stud Thread M16 x 1

Use 4-gauge cable

Verify your engine RPO code (L65 / L56 / L57) is a turbo 6

Carquest: 89977

Paccar 1972591PEX Fuel Injector – MX13 12.9L DEF 5" extended / 14" compressedRemanufactured OEM Delphi F2P common rail fuel injector supplied as Paccar 1972591PEX exchange unit for the Paccar MX13 12. 9L diesel and the closely related MX10, replacing earlier generation 1925657 1925657PEX and the Delphi service number EX631145 BEBJ1D00001. Engineered for EPA13 emissions calibration, the injector restores precise fuel metering and spray pattern at common rail pressures up to ~2,500 bar. Signs You Need a New MX13 Fuel Injector