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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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Navigation Signal Splitter 2017-18 Silverado Sierra Yukon Tahoe Camaro 13460451-1
$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30

Navigation Signal Splitter 2017-18 Silverado Sierra Yukon Tahoe Camaro 13460451

in stock

Navigation Signal Splitter/Connector Description: Navigation Signal Splitter/Connector Part Number: 13460451 Condition: New OEM, Generic...

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SKU: 2020495

$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30
OEM Engine Oil Cooler Pipe 2014-19 Cadillac CTS Vsport 2016-19 ATS V 12656886-1
$27.68 - $27.68
$27.68
$27.68 - $27.68
$27.68

OEM Engine Oil Cooler Pipe 2014-19 Cadillac CTS Vsport 2016-19 ATS V 12656886

in stock

Engine Oil Cooler Pipe (Rear To Lower Filter Fitting) Description: Engine Oil Cooler Pipe (Rear To Lower Filter Fitting) Part Number: 1266...

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SKU: 2020474

$27.68 - $27.68
$27.68
$27.68 - $27.68
$27.68
New OEM GM Front Side Door Check Link 2014-19 Cadillac CTS Sedan 23236406-1
$21.05 - $21.05
$21.05
$21.05 - $21.05
$21.05

New OEM GM Front Side Door Check Link 2014-19 Cadillac CTS Sedan 23236406

in stock

Front Side Door Check Link, Fits Left or Right Side Description: Front Side Door Check Link, Fits Left or Right Side Part Number: 23236406...

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SKU: 2020452

$21.05 - $21.05
$21.05
$21.05 - $21.05
$21.05
Turbo Wastegate Actuator Vacuum Source Tube 2016-19 Cadillac CTS Vsport 12663304-1
$51.88 - $51.88
$51.88
$51.88 - $51.88
$51.88

Turbo Wastegate Actuator Vacuum Source Tube 2016-19 Cadillac CTS Vsport 12663304

in stock

Turbo Wastegate Actuator Vacuum Source Tube, Right Description: Turbo Wastegate Actuator Vacuum Source Tube, Right Part Number: 12663304 ...

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SKU: 2020441

$51.88 - $51.88
$51.88
$51.88 - $51.88
$51.88
Turbo Wastegate Actuator Vacuum Source Tube 2016-19 Cadillac CTS Vsport 12663303-1
$39.78 - $39.78
$39.78
$39.78 - $39.78
$39.78

Turbo Wastegate Actuator Vacuum Source Tube 2016-19 Cadillac CTS Vsport 12663303

in stock

Turbo Wastegate Actuator Vacuum Source Tube, Left Description: Turbo Wastegate Actuator Vacuum Source Tube, Left Part Number: 12663303 C...

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SKU: 2020440

$39.78 - $39.78
$39.78
$39.78 - $39.78
$39.78
Charge Air Cooler Air Inlet Tube Left 2017-19 Cadillac CTS Vsport 12672014-1
$216.41 - $216.41
$216.41
$216.41 - $216.41
$216.41

Charge Air Cooler Air Inlet Tube Left 2017-19 Cadillac CTS Vsport 12672014

in stock

Charge Air Cooler Air Inlet Tube, With Air Inlet Pipe, Left Hand (Driver's Side) Description: Charge Air Cooler Air Inlet Tube, With Air Inl...

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SKU: 2020439

$216.41 - $216.41
$216.41
$216.41 - $216.41
$216.41
Charge Air Cooler Air Inlet Tube Right 2017-19 Cadillac CTS Vsport 12672008-1
$216.41 - $216.41
$216.41
$216.41 - $216.41
$216.41

Charge Air Cooler Air Inlet Tube Right 2017-19 Cadillac CTS Vsport 12672008

in stock

Charge Air Cooler Air Inlet Tube, With Air Inlet Pipe, Right Hand (Passenger's Side) Description: Charge Air Cooler Air Inlet Tube, With Air...

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SKU: 2020438

$216.41 - $216.41
$216.41
$216.41 - $216.41
$216.41
Steering Wheel Assembly Jet Black Heated With Paddles 2019-20 CTS 84372882-1
$366.17 - $366.17
$366.17
$366.17 - $366.17
$366.17

Steering Wheel Assembly Jet Black Heated With Paddles 2019-20 CTS 84372882

Only 5 left!

Steering Wheel Assembly, Jet Black, Heated, With Paddles, With Collision Alert Description: Steering Wheel Assembly, Jet Black, Heated, With...

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SKU: 2020428

$366.17 - $366.17
$366.17
$366.17 - $366.17
$366.17
Steering Wheel Assembly Jet Black Heated With Paddles 2019-20 CTS 84372880-1
$366.17 - $366.17
$366.17
$366.17 - $366.17
$366.17

Steering Wheel Assembly Jet Black Heated With Paddles 2019-20 CTS 84372880

Only 2 left!

Steering Wheel Assembly, Jet Black, Heated, With Paddles, Without Collision Alert Description: Steering Wheel Assembly, Jet Black, Heated, W...

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SKU: 2020427

$366.17 - $366.17
$366.17
$366.17 - $366.17
$366.17
OEM GM Remote Door Lock Transmitter Key Fob 315Mhz Cadillac ATS CTS CT6 13510256-1
$99.86 - $99.86
$99.86
$99.86 - $99.86
$99.86

OEM GM Remote Door Lock Transmitter Key Fob 315Mhz Cadillac ATS CTS CT6 13510256

Only 1 left!

Remote Control Door Lock & Theft Deterrent Transmitter/Key Fob (315Mhz)(5 Button), For 2015-2019 Cadillac ATS 2016-2019 CT6 and 2014-2019 CT...

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SKU: 2020419

$99.86 - $99.86
$99.86
$99.86 - $99.86
$99.86
New OEM GM Screwdriver Tool 20944202-1
$15.68 - $15.68
$15.68
$15.68 - $15.68
$15.68

New OEM GM Screwdriver Tool 20944202

in stock

New OEM GM Screwdriver Tool Description: New OEM GM Screwdriver Tool Part Number: 20944202 Condition: New OEM, Generic Packaging Other...

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SKU: 2020418

$15.68 - $15.68
$15.68
$15.68 - $15.68
$15.68
Rear Compartment Lid Theft Deterrent Switch Kit Black 2014-19 CTS Sedan 22986375-1
$36.25 - $36.25
$36.25
$36.25 - $36.25
$36.25

Rear Compartment Lid Theft Deterrent Switch Kit Black 2014-19 CTS Sedan 22986375

in stock

Rear Compartment Lid Theft Deterrent Switch Kit, Jet Black Description: Rear Compartment Lid Theft Deterrent Switch Kit, Jet Black Part Nu...

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SKU: 2020408

$36.25 - $36.25
$36.25
$36.25 - $36.25
$36.25
Parking Brake Switch Assembly Jet Black 2014-19 Cadillac CTS Sedan 84108455-1
$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38

Parking Brake Switch Assembly Jet Black 2014-19 Cadillac CTS Sedan 84108455

in stock

Parking Brake Switch Assembly, Jet Black Description: Parking Brake Switch Assembly, Jet Black Part Number: 84108455 Condition: New OEM,...

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SKU: 2020407

$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38
Vehicle Ignition Engine Start Stop Switch Jet Black 14-19 Cadillac CTS 84205641-1
$32.15 - $32.15
$32.15
$32.15 - $32.15
$32.15

Vehicle Ignition Engine Start Stop Switch Jet Black 14-19 Cadillac CTS 84205641

in stock

Vehicle Ignition Engine Start/Stop Switch, Jet Black Fits 2014-2019 Cadillac CTS Description: Vehicle Ignition Engine Start/Stop Switch, Jet...

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SKU: 2020405

$32.15 - $32.15
$32.15
$32.15 - $32.15
$32.15
Hazard Warning Switch Piano Black 2018-19 Cadillac CTS 2.0L 3.6L 84159601-1
$72.06 - $72.06
$72.06
$72.06 - $72.06
$72.06

Hazard Warning Switch Piano Black 2018-19 Cadillac CTS 2.0L 3.6L 84159601

in stock

Hazard Warning Switch, Piano Black, Fits 2018-2019 Cadillac CTS (Except 6.2L), Without Lane Departure Option Description: Hazard Warning Swi...

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SKU: 2020404

$72.06 - $72.06
$72.06
$72.06 - $72.06
$72.06
Rear Side Door Sunshade Assembly Black Right 2014-19 Cadillac CTS Sedan 23439137-1
$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50

Rear Side Door Sunshade Assembly Black Right 2014-19 Cadillac CTS Sedan 23439137

in stock

Rear Side Door Sunshade Assembly, Jet Black Right Hand (Passenger's Side) Description: Rear Side Door Sunshade Assembly, Jet Black Right Han...

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SKU: 2020403

$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50
Rear Side Door Sunshade Assembly Black Left 2014-19 Cadillac CTS Sedan 23439136-1
$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50

Rear Side Door Sunshade Assembly Black Left 2014-19 Cadillac CTS Sedan 23439136

in stock

Rear Side Door Sunshade Assembly, Jet Black Left (Driver's Side) Description: Rear Side Door Sunshade Assembly, Jet Black Left (Driver's Sid...

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SKU: 2020402

$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50
Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23297355-1
$183.74 - $183.74
$183.74
$183.74 - $183.74
$183.74

Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23297355

in stock

Suede Sunshade Sun Visor Jet Black, Right Hand (Passenger's) Side Description: Suede Sunshade Sun Visor Jet Black, Right Hand (Passenger's) ...

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SKU: 2020396

$183.74 - $183.74
$183.74
$183.74 - $183.74
$183.74
Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23297353-1
$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09

Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23297353

in stock

Suede Sunshade/Sun Visor, Jet Black, Left Hand (Driver's Side), Korean Text/Warning Label Description: Suede Sunshade/Sun Visor, Jet Black, ...

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SKU: 2020395

$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09
Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23203593-1
$152.28 - $152.28
$152.28
$152.28 - $152.28
$152.28

Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23203593

Only 1 left!

Suede Sunshade Sun Visor Jet Black, Right Hand (Passenger's) Side, No Text/Warning Label Description: Suede Sunshade Sun Visor Jet Black, Ri...

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SKU: 2020392

$152.28 - $152.28
$152.28
$152.28 - $152.28
$152.28
Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23203592-1
$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09

Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23203592

in stock

Suede Sunshade/Sun Visor, Jet Black, Left Hand (Driver's Side), No Text/Warning Label (Any Market) Description: Suede Sunshade/Sun Visor, Je...

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SKU: 2020391

$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09
Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23170939-1
$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09

Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23170939

in stock

Suede Sunshade/Sun Visor, Jet Black, Left Hand (Driver's Side), No Text/Warning Label (Any Market) Description: Suede Sunshade/Sun Visor, Je...

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SKU: 2020390

$139.09 - $139.09
$139.09
$139.09 - $139.09
$139.09
Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23120703-1
$188.58 - $188.58
$188.58
$188.58 - $188.58
$188.58

Sunshade Sun Visor Jet Black Suede Passenger Side Right 2016-19 CTS-V 23120703

Only 3 left!

Suede Sunshade Sun Visor Jet Black, Passenger Side Right, U.S. Warning Label Description: Suede Sunshade Sun Visor Jet Black, Passenger Side...

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SKU: 2020389

$188.58 - $188.58
$188.58
$188.58 - $188.58
$188.58
Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23120702-1
$138.97 - $138.97
$138.97
$138.97 - $138.97
$138.97

Sunshade Sun Visor Jet Black Suede Driver Side Left 2016-19 CTS-V 23120702

Only 1 left!

Suede Sunshade/Sun Visor, Jet Black, Left Hand (Driver's Side), U.S. Warning Label Description: Suede Sunshade/Sun Visor, Jet Black, Left Ha...

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SKU: 2020388

$138.97 - $138.97
$138.97
$138.97 - $138.97
$138.97

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