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(6 Cyl, 262 cid, 4.3L)
- VIN B (8th digit)
  - 4x2
  - AWD
- VIN Z (8th digit)
  - 4x2
  - AWD

Engine Assembly for 1991 Chevrolet Astro

Fits: 6 Cyl, 262 cid, 4.3L VIN B 8th digit AWD (change)

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