Description
MQ6D – New KMP 4089462 standard piston and ring kit. One kit services one cylinder. Photo shows the equivalent part.
Replaces: Cummins 4089462
Cummins 4089462 kit contents:
- Piston, standard (Cummins 3939398 / PAI 111713) – qty 1
- Piston ring set (Cummins 4089460 / PAI 505150) – qty 1
- Piston pin (Cummins 3939374 / PAI 111086) – qty 1
- Pin retaining ring (Cummins 3939375 / PAI 111097) – qty 2
Fits: Cummins ISB / QSB 4.5 and 5.9 (B Series), standard size, 102 mm (4.02 in) bore.





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