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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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Windshield Wiper Blade With Arm 18 IN RH 2014-19 Cadillac CTS 84017838 23144361-1
$38.81 - $38.81
$38.81
$38.81 - $38.81
$38.81

Windshield Wiper Blade With Arm 18 IN RH 2014-19 Cadillac CTS 84017838 23144361

Only 3 left!

Windshield Wiper Blade With Arm, 18 Inches, Fits Right Hand (Passenger's) Side 2014-2019 Cadillac CTS Sedan Description: Windshield Wiper Bl...

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SKU: 2020026

$38.81 - $38.81
$38.81
$38.81 - $38.81
$38.81
Drive Belt Water Pump AC Compressor Power Steering ATS CTS 3.6L Turbo 12630513-1
$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38

Drive Belt Water Pump AC Compressor Power Steering ATS CTS 3.6L Turbo 12630513

in stock

A/C Compressor, Generator, Power Steering Pump, and Water Pump Drive Belt, For 2016-2019 Cadillac ATS-V and 2014-2019 CTS Vsport Description:...

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SKU: 2020013

$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38
New OEM GM Rear Bumper Impact Bar Assembly 2014-19 Cadillac CTS 23349758-1
$254.15 - $254.15
$254.15
$254.15 - $254.15
$254.15

New OEM GM Rear Bumper Impact Bar Assembly 2014-19 Cadillac CTS 23349758

Only 5 left!

Rear Bumper Impact Bar Assembly Description: Rear Bumper Impact Bar Assembly Part Number: 23349758, 23349759 Condition: New OEM, Generic...

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SKU: 2020012

$254.15 - $254.15
$254.15
$254.15 - $254.15
$254.15
New OEM GM Rear Decklid Applique Galvano Silver Dual Camera 2017-19 Cadillac CTS-1
$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21

New OEM GM Rear Decklid Applique Galvano Silver Dual Camera 2017-19 Cadillac CTS

in stock

Rear Decklid Applique With License Plate Lamp, Galvano Silver Finish, Dual Camera (With Surround View Camera, With Video Display Mirror) Desc...

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SKU: 2020010

$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21
New OEM GM Tailgate Support Check Cable Right 2017-18 Silverado Sierra 84361194-1
$15.53 - $15.53
$15.53
$15.53 - $15.53
$15.53

New OEM GM Tailgate Support Check Cable Right 2017-18 Silverado Sierra 84361194

in stock

New OEM GM Tailgate Support Check Cable, Right Hand (Passenger's Side) Description: New OEM GM Tailgate Support Check Cable, Right Hand (Passen...

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SKU: 2010180

$15.53 - $15.53
$15.53
$15.53 - $15.53
$15.53
Shock Absorber With Upper Mount Left Rear 2014-19 Cadillac CTS RWD 84622733-1
$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06

Shock Absorber With Upper Mount Left Rear 2014-19 Cadillac CTS RWD 84622733

Only 1 left!

Shock Absorber With Upper Mount, Left Hand (Driver's Side) Rear 2014-2019 Cadillac CTS, Rear-Wheel Drive Only, Without F55 Suspension Option ...

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SKU: 2020000

$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06
New OEM GM Tailgate Latch Left And Right Pair 2007-19 Silverado Sierra 23158822-1
$84.99 - $84.99
$84.99
$84.99 - $84.99
$84.99

New OEM GM Tailgate Latch Left And Right Pair 2007-19 Silverado Sierra 23158822

Only 5 left!

New OEM GM Tailgate Latch, Left And Right Pair (2 Pack) Description: New OEM GM Tailgate Latch, Left And Right Pair (2 Pack) Part Number: 23158...

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SKU: 2010179

$84.99 - $84.99
$84.99
$84.99 - $84.99
$84.99
New OEM GM Tailgate Latch Left Or Right 2007-19 Silverado Sierra 23158822-1
$45.99 - $45.99
$45.99
$45.99 - $45.99
$45.99

New OEM GM Tailgate Latch Left Or Right 2007-19 Silverado Sierra 23158822

in stock

New OEM GM Tailgate Latch, Left or Right Description: New OEM GM Tailgate Latch, Left or Right Part Number: 23158822 Condition: New OEM, Gene...

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SKU: 2010178

$45.99 - $45.99
$45.99
$45.99 - $45.99
$45.99
Steering Wheel Radio Control Switch Left 2015-18 Silverado Sierra Yukon 23134240-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Steering Wheel Radio Control Switch Left 2015-18 Silverado Sierra Yukon 23134240

in stock

Steering Wheel Radio Control Switch, Left Hand Side Description: Steering Wheel Radio Control Switch, Left Hand Side Part Number: 23134240 Co...

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SKU: 2010175

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Heater Core Auxiliary Quick Heater Assembly 16-19 Silverado Sierra 6.6L 13514601-1
$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70

Heater Core Auxiliary Quick Heater Assembly 16-19 Silverado Sierra 6.6L 13514601

in stock

Heater Core Auxiliary Quick Heater Assembly Description: Heater Core Auxiliary Quick Heater Assembly Part Number: 13514601 Condition: New OEM...

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SKU: 2010169

$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70
Vehicle Stability Control Switch Black 15-19 Sierra Silverado 2500 3500 84347201-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Vehicle Stability Control Switch Black 15-19 Sierra Silverado 2500 3500 84347201

in stock

Vehicle Stability Control System Switch Assembly, Black, Includes Switches For Traction Control, Bed Lights, and Parking Sensors Description: V...

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SKU: 2010136

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Traction Control/Cargo Light/Exhaust Brake Switch 2015-19 Silverado HD 84347206-1
$16.61 - $16.61
$16.61
$16.61 - $16.61
$16.61

Traction Control/Cargo Light/Exhaust Brake Switch 2015-19 Silverado HD 84347206

Only 4 left!

Traction Control/Cargo Light/Exhaust Brake Switch Description: Traction Control/Cargo Light/Exhaust Brake Switch Part Number: 84347206 Condit...

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SKU: 2010131

$16.61 - $16.61
$16.61
$16.61 - $16.61
$16.61
Vehicle Stability Control Multi-Switch Black 2015-18 Sierra Silverado 84347197-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

Vehicle Stability Control Multi-Switch Black 2015-18 Sierra Silverado 84347197

in stock

Vehicle Stability Control System Multi-Switch, Black With Chrome, Includes the Following Switches: Traction Control, Bed Lights, and Hill Descen...

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SKU: 2010124

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
Door Molding Front LH Sacr'e Blue Metallic 2015-18 Silverado Sierra 22775440-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Door Molding Front LH Sacr'e Blue Metallic 2015-18 Silverado Sierra 22775440

in stock

Left Hand (Driver's Side) Front Door Molding, Painted "Sacr'E Bleu Metallic" (RPO/Paint Code: G1K/WA409Y) Description: Left Hand (Driver's S...

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SKU: 2010119

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Door Molding Rear LH Sacr'e Blue Metallic 2015-18 Silverado Sierra Crew 22775447-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Door Molding Rear LH Sacr'e Blue Metallic 2015-18 Silverado Sierra Crew 22775447

in stock

Left Hand (Driver's Side) Rear Door Molding, Painted "Sacr'E Bleu Metallic" (RPO/Paint Code: G1K/WA409Y) Description: Left Hand (Driver's Si...

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SKU: 2010118

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Door Molding Rear RH Sacr'e Blue Metallic 2015-18 Silverado Sierra Crew 22775448-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Door Molding Rear RH Sacr'e Blue Metallic 2015-18 Silverado Sierra Crew 22775448

in stock

Right Hand (Passenger's Side) Rear Molding, Painted "Sacr'E Bleu Metallic" (RPO/Paint Code: G1K/WA409Y) Description: Right Hand (Passenger's...

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SKU: 2010117

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Door Molding Rear LH Gasoline Metallic 2015-18 Silverado Sierra Crew 22775447-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Door Molding Rear LH Gasoline Metallic 2015-18 Silverado Sierra Crew 22775447

in stock

Left Hand (Driver's Side) Rear Door Molding, Painted "Gasoline Metallic" (RPO/Paint Code: GPA/WA457B) Description: Left Hand (Driver's Side)...

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SKU: 2010116

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Door Molding Rear RH Gasoline Metallic 2015-18 Silverado Sierra Crew 22775448-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Door Molding Rear RH Gasoline Metallic 2015-18 Silverado Sierra Crew 22775448

in stock

Right Hand (Passenger's Side) Rear Molding, Painted "Gasoline Metallic" (RPO/Paint Code: GPA/WA457B) Description: Right Hand (Passenger's Si...

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SKU: 2010115

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
New OEM GM Hood Latch Release Cable for 2015-18 Silverado Sierra 84279469-1
$29.49 - $29.49
$29.49
$29.49 - $29.49
$29.49

New OEM GM Hood Latch Release Cable for 2015-18 Silverado Sierra 84279469

in stock

Primary Hood Latch Release Cable Description: Primary Hood Latch Release Cable Part Number: 84279469 Condition: New OEM, Generic Packaging ...

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SKU: 2010112

$29.49 - $29.49
$29.49
$29.49 - $29.49
$29.49
Shark Fin Antenna 2 Wire 1 Plug Anthracite 2015-18 Silverado Sierra 84346783-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Shark Fin Antenna 2 Wire 1 Plug Anthracite 2015-18 Silverado Sierra 84346783

in stock

High Frequency Antenna, With HD Radio, With OnStar, Without Satellite Radio, Anthracite (Black Plastic) Description: High Frequency Antenna, Wi...

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SKU: 2010103

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Shark Fin Antenna Assembly 3 Wire 2 Plug Painted Gasoline Metallic 84346813-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

Shark Fin Antenna Assembly 3 Wire 2 Plug Painted Gasoline Metallic 84346813

Only 3 left!

Shark Fin Antenna Assembly, 3 Wire 2 Plug, Painted Gasoline Metallic (RPO: GPA) Description: Shark Fin Antenna Assembly, 3 Wire 2 Plug, Pain...

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SKU: 2010104

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
New OEM GM Tailgate Latch Passenger's Side 2017-19 Silverado Sierra 2500 3500-1
$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14

New OEM GM Tailgate Latch Passenger's Side 2017-19 Silverado Sierra 2500 3500

in stock

Right Hand (Passenger's) Side Tailgate Latch Description: Right Hand (Passenger's) Side Tailgate Latch Part Number: 84079388, 23158822, 8436119...

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SKU: 2010102

$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14
New OEM GM Tailgate Latch Driver's Side 2017-19 Silverado Sierra 2500 3500-1
$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14

New OEM GM Tailgate Latch Driver's Side 2017-19 Silverado Sierra 2500 3500

in stock

Left Hand (Driver's) Side Tailgate Latch Description: Left Hand (Driver's) Side Tailgate Latch Part Number: 84079387, 23158822, 84361193 Cond...

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SKU: 2010101

$72.14 - $72.14
$72.14
$72.14 - $72.14
$72.14
Fuel Filter/Water Separator New OEM GM 2017-19 Silverado Sierra 6.6L 23149526-1
$61.04 - $61.04
$61.04
$61.04 - $61.04
$61.04

Fuel Filter/Water Separator New OEM GM 2017-19 Silverado Sierra 6.6L 23149526

in stock

Fuel Filter/Water Separator Description: Fuel Filter/Water Separator Part Number: 23149524, 23149526, TP1014 Condition: New OEM, Generic...

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SKU: 2010099

$61.04 - $61.04
$61.04
$61.04 - $61.04
$61.04

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