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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

General Motors

Shop our complete catalog of genuine General Motors OEM parts. Our GM inventory covers Chevrolet, Cadillac, Buick, GMC, and Saturn vehicles — airbags, control modules, HVAC components, body parts, drivetrain components, and more, all sourced from GM factory surplus.

General Motors vehicles are built with a wide range of platform-specific components. Our factory-original GM parts are the correct replacement for your specific vehicle — same connector, same calibration, same mechanical specification as the part installed at the factory.

Browse by category or search by GM part number to find exactly what you need. Contact us at 269-343-3323 for part identification and fitment assistance.

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Infotainment System Info Package 2019 GMC Sierra 1500 23400431-1
$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15

Infotainment System Info Package 2019 GMC Sierra 1500 23400431

in stock

Sierra Infotainment System Info Package Description: Sierra Infotainment System Info Package Part Number: 23400431 Condition: New OEM, G...

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SKU: 2060282

$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15
Engine Supplemental Info 2019 Silverado Sierra 3.0L Duramax Diesel 84431875-1
$22.07 - $22.07
$22.07
$22.07 - $22.07
$22.07

Engine Supplemental Info 2019 Silverado Sierra 3.0L Duramax Diesel 84431875

in stock

3.0L Duramax Diesel Engine Supplemental Informantion Package For 2019 Chevrolet Silverado GMC Sierra 1500 Description: 3.0L Duramax Diesel E...

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SKU: 2060280

$22.07 - $22.07
$22.07
$22.07 - $22.07
$22.07
Infotainment System Info Package 2019 Chevy Silverado 1500 23400430-1
$18.10 - $18.10
$18.10
$18.10 - $18.10
$18.10

Infotainment System Info Package 2019 Chevy Silverado 1500 23400430

in stock

Silverado Infotainment System Info Package Description: Silverado Infotainment System Info Package Part Number: 23400430 Condition: New ...

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SKU: 2060281

$18.10 - $18.10
$18.10
$18.10 - $18.10
$18.10
Coil Over Shock Quick Strut Front 19-20 Silverado Sierra 1500 84514271 84168560-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Coil Over Shock Quick Strut Front 19-20 Silverado Sierra 1500 84514271 84168560

Only 4 left!

Coil Over Shock Absorber/Quick Strut, Fits Front Left or Right Side (One Piece), Without Adaptive Ride Control, Code: ABVM Description: Coil...

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SKU: 2060268

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
New OEM EGR Valve Inlet Gasket 2020 Sierra Silverado 1500 3.0L Diesel 55514453-1
$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95

New OEM EGR Valve Inlet Gasket 2020 Sierra Silverado 1500 3.0L Diesel 55514453

in stock

EGR Valve Inlet Gasket Description: EGR Valve Inlet Gasket Part Number: 55514453, 55496877 Condition: New OEM, Generic Packaging Other...

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SKU: 2060270

$12.95 - $12.95
$12.95
$12.95 - $12.95
$12.95
Rancho Quick Strut Coil Over Shock Front 2019 Sierra Silverado 1500 Z71 84535468-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Rancho Quick Strut Coil Over Shock Front 2019 Sierra Silverado 1500 Z71 84535468

Only 2 left!

Rancho Coil Over Shock Absorber/Quick Strut, Fits Front Left or Right Side (One Piece), Without Adaptive Ride Control, With Z71 Off-Road Package...

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SKU: 2060267

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
OEM GM Rancho Rear Shock Absorber 84482163 19-22 Chevy Silverado GMC Sierra 1500-1
$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56

OEM GM Rancho Rear Shock Absorber 84482163 19-22 Chevy Silverado GMC Sierra 1500

in stock

Rancho Rear Shock Absorber (Fits Either Side) Description: Rancho Rear Shock Absorber (Fits Either Side) Part Number: 84482163, 560-1077 Cond...

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SKU: 2060259

$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56
Rancho Rear Shock Absorber 2019-2020 Chevy Silverado GMC Sierra 1500 84535470-1
$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56

Rancho Rear Shock Absorber 2019-2020 Chevy Silverado GMC Sierra 1500 84535470

in stock

Rancho Rear Shock Absorber (Fits Either Side) Description: Rancho Rear Shock Absorber (Fits Either Side) Part Number: 84535470, 560-1737 ...

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SKU: 2060258

$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56
OEM GM Rear Shock Absorber 2019-2020 Chevy Silverado GMC Sierra 1500 84514294-1
$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56

OEM GM Rear Shock Absorber 2019-2020 Chevy Silverado GMC Sierra 1500 84514294

Only 1 left!

Rear Shock Absorber (Fits Either Side) Description: Rear Shock Absorber (Fits Either Side) Part Number: 84514294, 560-1089 Condition: Ne...

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SKU: 2060257

$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56
Instrument Cluster Speedometer MPH UDD 2019 Chevy Silverado 1500 Gas 84608349-1
$114.96 - $114.96
$114.96
$114.96 - $114.96
$114.96

New OEM GM Instrument Cluster MPH UDD 2019 Chevy Silverado 1500 Gas 84608349

in stock

MPH Instrument Cluster/Speedometer, With 4.2" Display, Option: UDD Description: MPH Instrument Cluster/Speedometer, With 4.2" Display, Optio...

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SKU: 2060255

$114.96 - $114.96
$114.96
$114.96 - $114.96
$114.96
Instrument Cluster Speedometer KPH 2019-20 Silverado Sierra 4.3L 84549011-1
$144.26 - $144.26
$144.26
$144.26 - $144.26
$144.26

Instrument Cluster Speedometer KPH 2019-20 Silverado Sierra 4.3L 84549011

in stock

KPH (Metric/Non-US Version) Instrument Cluster/Speedometer, 3.5" Display (Option UDC) Description: KPH (Metric/Non-US Version) Instrument Cl...

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SKU: 2060252

$144.26 - $144.26
$144.26
$144.26 - $144.26
$144.26
Instrument Cluster Speedometer MPH UDD 2019 GMC Sierra 1500 Gas 84608347-1
$249.71 - $249.71
$249.71
$249.71 - $249.71
$249.71

Instrument Cluster Speedometer MPH UDD 2019 GMC Sierra 1500 Gas 84608347

in stock

MPH Instrument Cluster/Speedometer, With 4.2" Display, Option: UDD Description: MPH Instrument Cluster/Speedometer, With 4.2" Display, Optio...

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SKU: 2060251

$249.71 - $249.71
$249.71
$249.71 - $249.71
$249.71
OEM GM 3rd Brake Light With Harness 2019-20 Sierra Silverado 1500 84419006-1
$60.92 - $60.92
$60.92
$60.92 - $60.92
$60.92

OEM GM 3rd Brake Light With Harness 2019-20 Sierra Silverado 1500 84419006

in stock

High Mounted Stop Lamp/3rd Brake Light, With Harness, For 2019-2020 Chevrolet Silverado and GMC Sierra 1500 (For Vehicles Without Rear Facing Be...

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SKU: 2060249

$60.92 - $60.92
$60.92
$60.92 - $60.92
$60.92
Spoiler High Mount Stop Lamp Without Camera Red GPJ 19-20 Silverado Sierra 1500-1
$194.21 - $194.21
$194.21
$194.21 - $194.21
$194.21

Spoiler High Mount Stop Lamp Without Camera Red GPJ 19-20 Silverado Sierra 1500

in stock

Roof Spoiler/High Mount Stop Lamp, Without Camera, Painted Cajun/Glory Red Metallic 2 (GPJ, WA434B) Description: Roof Spoiler/High Mount Sto...

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SKU: 2060247

$194.21 - $194.21
$194.21
$194.21 - $194.21
$194.21
Instrument Cluster/Speedometer KPH GM 2019 Silverado Sierra 1500 2.7L 84549033-1
$166.37 - $166.37
$166.37
$166.37 - $166.37
$166.37

Instrument Cluster/Speedometer KPH GM 2019 Silverado Sierra 1500 2.7L 84549033

Only 3 left!

Instrument Cluster/Speedometer, KPH (Metric/Kilometers) Biased Display, With Trip Stick, For 2019 Chevrolet Silverado and GMC Sierra 1500 With 2....

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SKU: 2060244

$166.37 - $166.37
$166.37
$166.37 - $166.37
$166.37
Instrument Cluster Speedometer MPH UDD 2020 Chevy Silverado 1500 Gas 84608339-1
$249.71 - $249.71
$249.71
$249.71 - $249.71
$249.71

Instrument Cluster Speedometer MPH UDD 2020 Chevy Silverado 1500 Gas 84608339

in stock

MPH Instrument Cluster/Speedometer, With 4.2" Display, Option: UDD Description: MPH Instrument Cluster/Speedometer, With 4.2" Display, Optio...

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SKU: 2060243

$249.71 - $249.71
$249.71
$249.71 - $249.71
$249.71
OEM GM Trailer Hitch Pin and Clip Zinc Plated For 2 and 3 IN Recievers 22942835-1
$10.54 - $10.54
$10.54
$10.54 - $10.54
$10.54

OEM GM Trailer Hitch Pin and Clip Zinc Plated For 2 and 3 IN Recievers 22942835

in stock

Trailer Hitch Draw Bar Adapter Pin Package (Hitch Pin & Clip). Fits all 2" and 3" Receivers Description: Trailer Hitch Draw Bar Adapter ...

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SKU: 2060238

$10.54 - $10.54
$10.54
$10.54 - $10.54
$10.54
Instrument Cluster/Speedometer MPH GM 2019 Silverado Sierra 1500 4.3L 84549032-1
$144.17 - $144.17
$144.17
$144.17 - $144.17
$144.17

Instrument Cluster/Speedometer MPH GM 2019 Silverado Sierra 1500 4.3L 84549032

in stock

Instrument Cluster/Speedometer, MPH Biased Display, With Trip Stick, For 2019 Chevrolet Silverado and GMC Sierra 1500 With 4.3L Engine And The F...

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SKU: 2060241

$144.17 - $144.17
$144.17
$144.17 - $144.17
$144.17
Front Grille Assembly Chevy Silverado With Surround View Camera 84493321-1
$776.87 - $776.87
$776.87
$776.87 - $776.87
$776.87

Front Grille Assembly Chevy Silverado With Surround View Camera 84493321

Only 4 left!

Front Grille Assembly For 2019 Chevrolet Silverado LTZ, With 360 Surround-View Camera (Option UV2) Description: Front Grille Assembly For 20...

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SKU: 2060240

$776.87 - $776.87
$776.87
$776.87 - $776.87
$776.87
OEM GM Video Processing Module VPM UVI UV2 2019 Silverado Sierra 1500 84691752-1
$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21

OEM GM Video Processing Module VPM UVI UV2 2019 Silverado Sierra 1500 84691752

Only 1 left!

Video Processing Module (VPM), With Options UVI and UV2 Description: Video Processing Module (VPM), With Options UVI and UV2 Part Number: ...

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SKU: 2060235

$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21
Engine Wiring Harness 2020 Silverado Sierra 1500 Diesel LM2 84613104-1
$499.46 - $499.46
$499.46
$499.46 - $499.46
$499.46

Engine Wiring Harness 2020 Silverado Sierra 1500 Diesel LM2 84613104

in stock

Engine Wiring Harness, LM2 Diesel Description: Engine Wiring Harness, LM2 Diesel Part Number: 84613104 Condition: New OEM, Generic Packaging ...

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SKU: 2060228

$499.46 - $499.46
$499.46
$499.46 - $499.46
$499.46
Engine Wiring Harness 2020 Silverado Sierra 1500 Diesel LM2 84613103-1
$539.46 - $539.46
$539.46
$539.46 - $539.46
$539.46

Engine Wiring Harness 2020 Silverado Sierra 1500 Diesel LM2 84613103

in stock

Engine Wiring Harness, LM2 Diesel Description: Engine Wiring Harness, LM2 Diesel Part Number: 84613103 Condition: New OEM, Generic Packaging ...

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SKU: 2060227

$539.46 - $539.46
$539.46
$539.46 - $539.46
$539.46
New OEM GM Tailgate Wiring Harness 2019 Silverado Sierra 1500 84509753-1
$82.99 - $82.99
$82.99
$82.99 - $82.99
$82.99

New OEM GM Tailgate Wiring Harness 2019 Silverado Sierra 1500 84509753

in stock

Tailgate Wiring Harness, 6.6 Ft or 8 Ft Box Description: Tailgate Wiring Harness, 6.6 Ft or 8 Ft Box Part Number: 84509753 Condition: Ne...

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SKU: 2060221

$82.99 - $82.99
$82.99
$82.99 - $82.99
$82.99
New OEM GM Tailgate Wiring Harness 2019 Silverado Sierra 1500 84509751-1
$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

New OEM GM Tailgate Wiring Harness 2019 Silverado Sierra 1500 84509751

in stock

Tailgate Wiring Harness, 5.8 Ft Box, Standard Gate, With Power Release, With 360-View Description: Tailgate Wiring Harness, 5.8 Ft Box, Stan...

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SKU: 2060220

$79.99 - $79.99
$79.99
$79.99 - $79.99
$79.99

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