There are 7 choices

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8 Cyl, 350 cid (5.7L, VIN K, 8th digit)
- CNG
- gasoline
8 Cyl, 379 cid (6.2L, VIN J, 8th digit, diesel)
- model VIN C/K (5th digit)
  - Automatic Transmission
  - Manual Transmission
- model VIN R/V (5th digit)
  - Automatic Transmission
  - Manual Transmission
8 Cyl, 454 cid (7.4L, VIN N, 8th digit)

Engine Assembly for 1991 GMC P3500

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There are 7 choices for the 1991 GMC P3500 Engine Assembly !!!
Choose Your Option

8 Cyl, 350 cid (5.7L, VIN K, 8th digit) CNG
8 Cyl, 350 cid (5.7L, VIN K, 8th digit) gasoline
8 Cyl, 379 cid (6.2L, VIN J, 8th digit, diesel) model VIN C/K (5th digit) Automatic Transmission
8 Cyl, 379 cid (6.2L, VIN J, 8th digit, diesel) model VIN C/K (5th digit) Manual Transmission
8 Cyl, 379 cid (6.2L, VIN J, 8th digit, diesel) model VIN R/V (5th digit) Automatic Transmission
8 Cyl, 379 cid (6.2L, VIN J, 8th digit, diesel) model VIN R/V (5th digit) Manual Transmission
8 Cyl, 454 cid (7.4L, VIN N, 8th digit)

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