Applications for RNB-645-221

Dorman Wiring Connectors 645-221

Dorman Wiring Connectors 645-221

RNB-645-221

Not Yet Reviewed

Part Number: RNB-645-221

Estimated Ship Date: Oct 22, 2026

$40.99

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Results Found: 1572

Make:
GMC
Model:
SIERRA 2500 HD CLASSIC
Submodel:
WT
Beginning Year:
2007
Ending Year:
2007
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD CLASSIC
Submodel:
WT
Beginning Year:
2007
Ending Year:
2007
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
D
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD CLASSIC
Submodel:
WT
Beginning Year:
2007
Ending Year:
2007
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
D
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD CLASSIC
Submodel:
WT
Beginning Year:
2007
Ending Year:
2007
Engine Type:
V8
Liter:
8.1
CID:
496
Engine Family:
Chevy big block Gen VII
Engine Size:
8.1L/496
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD CLASSIC
Submodel:
WT
Beginning Year:
2007
Ending Year:
2007
Engine Type:
V8
Liter:
8.1
CID:
496
Engine Family:
Chevy big block Gen VII
Engine Size:
8.1L/496
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2011
Ending Year:
2014
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 FLEX FUEL
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2011
Ending Year:
2014
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 FLEX FUEL
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2011
Ending Year:
2014
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
8
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2011
Ending Year:
2014
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
8
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2014
Ending Year:
2014
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
B
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
DENALI
Beginning Year:
2014
Ending Year:
2014
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
B
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 BI-FUEL
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 BI-FUEL
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 CNG
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 CNG
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
1
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
1
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
8.1
CID:
496
Engine Family:
Chevy big block Gen VII
Engine Size:
8.1L/496
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2002
Ending Year:
2002
Engine Type:
V8
Liter:
8.1
CID:
496
Engine Family:
Chevy big block Gen VII
Engine Size:
8.1L/496
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
G
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2006
Ending Year:
2006
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2006
Ending Year:
2006
Engine Type:
V8
Liter:
6.0
CC:
5967
CID:
364
Engine Family:
CHEVY SMALL BLOCK GEN III/IV LS V8 GAS
Engine Size:
6.0L/364
Drivetrain:
RWD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
U
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2006
Ending Year:
2006
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
D
Region:
USA
Make:
GMC
Model:
SIERRA 2500 HD
Submodel:
SL
Beginning Year:
2006
Ending Year:
2006
Engine Type:
V8
Liter:
6.6
CC:
6599
CID:
403
Engine Family:
DURAMAX V8 DIESEL
Engine Size:
6.6L/403
Drivetrain:
4WD
Application Notes:
4 Way Female w/Leads, Jumper
Engine VIN Code:
2
Region:
USA