6L80 Cadillac, Chevy, GMC, Hummer 5.3/6.0/6.2
6-speed
Performance
Automatic
Transmission with Torque Converter
RM3 Series transmissions are the ultimate bad boy unit for trucks that play hard. RM3 units feature every possible transmission update that is available in the industry and are recommended for trucks with injectors, turbo, Def Delete, larger exhaust, EGR Delete, diff ratio changes, larger tires, nitrous inection, and/or propane injection.
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Roadmaster remanufactures premium 6L80 Performance Transmission RM3 Series 7CJA units. RMP45BRM3 is an RM3 series transmission that is specifically designed for the most intense performance and heavy duty applications.
7CJA
9CKA
RT45B
7CKA
ART45B
T8100AA
8CJA
RMP45B
T8105AA
8CKA
RMP45BRM3
Roadmaster transmissions are available from Whatever It Takes Transmission Parts' nationwide locations. Choose your state below to find the location nearest you.
