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2021 GMC Sierra 2500 HD

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EnginePer VehicleFit NotesFitment Notes
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Mfr Code: 6L90
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Mfr Code: 6L90
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Mfr Code: 6L90
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Mfr Code: 6L90
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Bed Length N/R In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo 2-SPD ELEC SHIFT TRANSFER CASE(NQF)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length 98.2 In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 141.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 162.5 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Bed Length N/R In.
Wheel Base 172.0 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGU
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Crew Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 158.9 In.
Mfr Code: 10L1000/MGU
4WD

1 Per Vehicle
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo
 
1
 
SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGM
4WD
 
2021 GMC Sierra 2500 HD equipped with
6.6L V8 Gas OHV,
6.6L V8 Flex OHV,
6.6L V8 Diesel OHV Turbo SWITCH ACTIVATED 2-SPEED TRANSFER CASE(NQH)
Extended Cab Pickup
Bed Length 82.2 In.
4 Doors
Wheel Base 149.4 In.
Mfr Code: 10L1000/MGM
4WD

1 Per Vehicle
Displaying 1 to 1 (of 1 products)