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SUBURBAN 10
- hydro-boost
- Without hydro-boost
  - 6 Cyl, 250 cid
    - 4x2
    - 4x4
  - 8 Cyl, 305 cid
    - 4x2
    - 4x4
  - 8 Cyl, 350 cid (gasoline)
    - 4x2
    - 4x4
  - 8 Cyl, 400 cid
  - 8 Cyl, 454 cid
SUBURBAN 1500
- hydro-boost
- Without hydro-boost
  - 6 Cyl, 250 cid
    - 4x2
    - 4x4
  - 8 Cyl, 305 cid
    - 4x2
    - 4x4
  - 8 Cyl, 350 cid (gasoline)
    - 4x2
    - 4x4
  - 8 Cyl, 400 cid
  - 8 Cyl, 454 cid
SUBURBAN 20
- 6 Cyl, 250 cid
  - 4x2
  - 4x4
- 8 Cyl, 305 cid
  - 4x2
  - 4x4
- 8 Cyl, 350 cid (gasoline)
  - 4x2
  - 4x4
- 8 Cyl, 400 cid
- 8 Cyl, 454 cid
SUBURBAN 2500
- 6 Cyl, 250 cid
  - 4x2
  - 4x4
- 8 Cyl, 305 cid
  - 4x2
  - 4x4
- 8 Cyl, 350 cid (gasoline)
  - 4x2
  - 4x4
- 8 Cyl, 400 cid
- 8 Cyl, 454 cid

Power Steering Pump for 1978 GMC Suburban

Fits: SUBURBAN 10 Without hydro-boost 8 Cyl, 350 cid gasoline 4x4 (change)

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