M20/M21/M22

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Brands

DODGE EATON FORD GM HINO HONDA ISUZU JEEP KIA MAZDA MITSUBISHI NISSAN TOYOTA VOLSWAGEN ZF

Manual Transmission

AX15/R151 AX5/G52/L52 B16A/B18C BT-50 C510 F-350 FS5W71 FS5W71 G56 HINO 300 (LJ06) HINO 500 FS6M(J08C) HINO 500 MF06 HINO 500 MX06L HINO 700 MO09 K20 M20/M21/M22 M40 M5R1 M5R2 MLGU MT75 MT82 NP535 NSG370 NV3500 NV3550 NV4500 NV5600 PF6 R380 S542 S650 T10 T5(WC) Type9 VMT6 W56/W58/W59

Agricultural Transmission Gears

Forklift / Stacker Gears

Customized Gears

Race Gears

D-MAX G56 R154 R35 S-14 Y61

Transfer Case / Gear Transfer Box

NP205 NP231 NP261/NP263 NP271/NP273

M20/M21/M22

The M20, M21, and M22 are GM 4-speed transmissions used in 1960s–70s RWD cars like the Camaro, Chevelle, and GTO. While many parts are similar, differences in gear design—especially the M22's straight-cut gears—mean not all components are interchangeable. Always confirm compatibility by model and year.