We supply spare parts for the following manufacturers of heavy equipment:

Most on-highway vehicles are powered by diesel engines, and MJ provides on-highway engine parts that cover a wide range of applications. Our sealing products ensure excellent performance and we provide reliable sealing solutions that fit you needs.


  • Caterpillar - C7, C9, C10, C11, C12, C13, C15, 3406E, C16, C18, C27, C32, 3512, 3516, 3518
  • Cummins - QSX15, QSK50, QSK60, QSK78, K19, K38
  • Detroit Diesel - DD13, DD15, DD16, S60
  • Volvo - D9, D11, D12, D13, D16
  • Navistar - MAXXFORCE 11, MAXXFORCE 13, DT466, DT466E, DT570, DT570E
  • Paccar - MX-13, MX-11

Crankcase Ventilation Gasket

Oil mist separator, also known as crankcase breather. The device can be used in trucks, marines, agriculture and Gensets. It also available for medium duty, off road and some engines over 16 Liters.


  • Caterpillar CT11, CT13
  • Detroit Diesel DD13/ DD15/ DD16/S60
  • Volvo D9/D11/D12/D13
  • Mack MP7/MP8/MP10
  • Navistar MAXXFORCE 7.6L, 9.3L
  • Paccar MX10, MX13

Air Compressor Gasket

Air compressor gasket needs to endure high pressure, the material is also important. Mostly we use hard material to fit compressor, such as metal bonded with rubber and RCM.


  • Cummins ISX, N14
  • Mercedes Benz OM906, OM926
  • Caterpillar C7,C9,C10,C11,C12,C15,C18
  • Volvo D12,D16
  • Bendix BA-921, BA-922

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