There are 19 choices

Choose One

Automatic Transmission
- 4x4
  - TH400
    - 8 cylinder
      - diesel
      - gasoline
- model VIN C (5th digit, 4x2)
  - TH400
    - 6 cylinder
    - 8 cylinder
      - 8 Cyl, 305 cid (5.0L)
      - 8 Cyl, 350 cid (5.7L)
      - 8 Cyl, 379 cid (6.2L, diesel)
  - TH700
    - diesel
    - gasoline
- model VIN K (5th digit, 4x4)
  - TH400
    - 6 cylinder
    - 8 cylinder
      - diesel
      - gasoline
  - TH700
    - diesel
    - gasoline
- model VIN R (5th digit, 4x2)
Manual Transmission
- 4 speed
  - 4x2
    - model VIN C (5th digit)
    - model VIN R (5th digit)
  - 4x4
    - (model VIN K, 5th digit)
- 5 speed
  - 4x2
  - 4x4

Transmission Assembly for 1989 GMC P2500

Fits: Automatic Transmission model VIN C 5th digit, 4x2 TH400 8 cylinder 8 Cyl, 350 cid 5.7L (change)

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