Transmission Assembly for 1981 GMC G3500

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There are 13 choices for the 1981 GMC G3500 Transmission Assembly !!!
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Automatic Transmission TH350 6" extension multi-fit case 1 wire lock-up plug harness
Automatic Transmission TH350 6" extension multi-fit case 2 wire lock-up plug harness
Automatic Transmission TH350 6" extension multi-fit case 3 wire lock-up plug harness
Automatic Transmission TH350 6" extension Without multi-fit case 1 wire lock-up plug harness
Automatic Transmission TH350 6" extension Without multi-fit case 2 wire lock-up plug harness
Automatic Transmission TH350 6" extension Without multi-fit case 3 wire lock-up plug harness
Automatic Transmission TH350 9" extension
Automatic Transmission TH400 bolt-on yoke
Automatic Transmission TH400 Without bolt-on yoke
Manual Transmission 3 speed side cover (Saginaw manufactured)
Manual Transmission 3 speed top cover (Tremec manufactured)
Manual Transmission 4 speed side cover (overdrive)
Manual Transmission 4 speed top cover