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Automatic Transmission
- 4x2
  - TH350
  - TH400
- 4x4 (TH350)
Manual Transmission
- 3 speed
  - 4x2
    - Muncie manufactured
    - Saginaw manufactured
  - 4x4
- 4 speed
  - 4x2
  - 4x4

Transmission Assembly for 1975 GMC C25

Fits: Manual Transmission 3 speed 4x2 Muncie manufactured (change)

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