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G-Pop Shop High performance Heavy duty rebuild kit for the Hitachi HT18 turbo that was used on the Mazda RX7. If you do not know if this kit will work for your turbocharger, please email us your turbo part # and we will be glad to verify which kit you need.


Our High Performance rebuild kits include a heavy duty 360° thrust bearing and a step gap piston ring that will increase the durability and longevity of your turbo.

Parts included in the kit are listed in the table on the right and indicated by the numbered circles in the diagram. 


*Applications and Part numbers are provided as reference only.

Hitachi HT18 Turbocharger High Performance Turbo Rebuild Kit (Mazda RX7)

SKU: HT1-3
  • #1 Journal Bearings
    #2 Retaining Rings for Journal Bearings
    #3 Piston Ring for Turbine end
    #4 360 Thrust Bearing
    #5 Thrust Collar
    #6 1-PC Carbon Seal
    #7 Seal Ring for Bearing Housing
    #8 Thrust Spring for Backing Plate
    #9 Thrust Spacer
    #10 Shaft Nut
    #12 Bolts for Compressor end
    #14 Bolts for Bearing Housing
    #17 Bolts for Turbine end
    #18 Clamps for Turbine end
    E-Clip for Swingvalve
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