There are 4 choices

Choose One

SIERRA 2500 PICKUP
- (6.6L)
  - diesel (VIN Y, 8th digit, opt L5P)
  - gasoline (VIN 7, 8th digit, opt L8T)
SIERRA DENALI 2500
- (6.6L)
  - diesel (VIN Y, 8th digit, opt L5P)
  - gasoline (VIN 7, 8th digit, opt L8T)

Engine Assembly for 2021 GMC Sierra 2500

Attention!

There are 4 choices for the 2021 GMC Sierra 2500 Engine Assembly !!!
Choose Your Option

SIERRA 2500 PICKUP (6.6L) diesel (VIN Y, 8th digit, opt L5P)
SIERRA 2500 PICKUP (6.6L) gasoline (VIN 7, 8th digit, opt L8T)
SIERRA DENALI 2500 (6.6L) diesel (VIN Y, 8th digit, opt L5P)
SIERRA DENALI 2500 (6.6L) gasoline (VIN 7, 8th digit, opt L8T)

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