There are 19 choices

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Automatic Transmission
- 4x2 (D models)
  - 131" wheelbase
  - Without 131" wheelbase
- 4x4 (W models)
Manual Transmission
- 4x2 (D models)
  - 4.56 low gear
  - 6.68 low gear
- 4x4 (W models)
  - 4.56 low gear
  - 6.69 low gear

Transmission Assembly for 1978 Dodge D300 Pickup

Fits: Manual Transmission 4x4 W models 6.69 low gear (change)

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