Dorman Wiring Connectors and Pigtails 645-322

Dorman Wiring Connectors and Pigtails 645-322

RNB-645-322

Not Yet Reviewed

Part Number: RNB-645-322

Estimated Ship Date: Nov 13, 2026

$11.99

Results Found: 1109

Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2018
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2018
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2019
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS CNG
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
B
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2019
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS CNG
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
B
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2020
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V GAS
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2020
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V GAS
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2021
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V FLEX FUEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
BASE
Beginning Year:
2021
Ending Year:
2021
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V FLEX FUEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS FLEX FUEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS FLEX FUEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2018
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2019
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV GAS
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2019
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV GAS
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2020
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V GAS
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V FLEX FUEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V FLEX FUEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V GAS
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
401
CC:
6571
Engine Size:
6.6L/401
Engine Family:
CHEVY V8 SMALL BLOCK GEN V GAS
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
7
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
PRO
Beginning Year:
2022
Ending Year:
2023
Engine Type:
V8
Liter:
6.6
CID:
403
CC:
6599
Engine Size:
6.6L/403
Engine Family:
DURAMAX V8 DIESEL
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
Y
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SLE
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV GAS
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SLE
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV GAS
Drivetrain:
RWD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SLE
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS FLEX FUEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
B
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SLE
Beginning Year:
2018
Ending Year:
2019
Engine Type:
V8
Liter:
6.0
CID:
364
CC:
5967
Engine Size:
6.0L/364
Engine Family:
CHEVY V8 SMALL BLOCK GEN III/IV LS FLEX FUEL
Drivetrain:
4WD
Application Notes:
1-Way Female, SI Elec Code M64
Engine VIN Code:
G
Region:
USA

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