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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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Hood Hinge Right Hand Passenger Side 2014-19 Cadillac CTS Export 23169552-1
$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21

Hood Hinge Right Hand Passenger Side 2014-19 Cadillac CTS Export 23169552

in stock

Hood Hinge, Right Hand (Passenger's Side), Fits 2014-2019 Cadillac CTS (Except V-Series), Non-US Export Version With Option B3T (Hood Active, Pe...

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SKU: 2020194

$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21
Hood Hinge Left Hand Driver Side 2014-19 Cadillac CTS Export 23169551-1
$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21

Hood Hinge Left Hand Driver Side 2014-19 Cadillac CTS Export 23169551

in stock

Hood Hinge, Left Hand (Passenger's Side), Fits 2014-2019 Cadillac CTS (Except V-Series), Non-US Export Version With Option B3T (Hood Active, Ped...

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SKU: 2020193

$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21
OEM GM Headlamp Assembly Pair 2016-19 CTS-V Korea Israel Europe Russia Export-1
$1,349.99 - $1,349.99
$1,349.99
$1,349.99 - $1,349.99
$1,349.99

OEM GM Headlamp Assembly Pair 2016-19 CTS-V Korea Israel Europe Russia Export

in stock

Headlamp Assembly, Left and Right Pair, CTS-V, Korea, Israel, Europe, Russia Export Version (MAW, MBI, MBM, MBR, T4F)(Except TR6,T94) Descrip...

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SKU: 2020187

$1,349.99 - $1,349.99
$1,349.99
$1,349.99 - $1,349.99
$1,349.99
Rear Outside Door Handle Non-Lighted Switchblade Silver 2015-19 CTS XTS 13598625-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

Rear Outside Door Handle Non-Lighted Switchblade Silver 2015-19 CTS XTS 13598625

Only 5 left!

Rear Outside Door Handle Non-Lighted, Left or Right Side, Painted Switchblade Silver Metallic 17 (636R, GAN, WA636R), With Chrome Description...

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SKU: 2020184

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
Headlamp Assembly Pair 16-17 CTS-V Saudi Arabia Europe Export 23120281 23120282-1
$1,349.99 - $1,349.99
$1,349.99
$1,349.99 - $1,349.99
$1,349.99

Headlamp Assembly Pair 16-17 CTS-V Saudi Arabia Europe Export 23120281 23120282

in stock

Headlamp Assembly, Left and Right Pair, CTS-V, Saudi Arabia, Europe Export Version (MAS,MBM,T4F,T94) Description: Headlamp Assembly, Left an...

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SKU: 2020186

$1,349.99 - $1,349.99
$1,349.99
$1,349.99 - $1,349.99
$1,349.99
Rear Outside Door Handle Non-Lighted Black GB8 2015-19 CTS XTS 13598625-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

Rear Outside Door Handle Non-Lighted Black GB8 2015-19 CTS XTS 13598625

Only 4 left!

Rear Outside Door Handle Non-Lighted, Left or Right Side, Painted Black Meet Kettle Metallic (384A, GB8, WA384A), With Chrome Description: R...

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SKU: 2020183

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
Lighted Rear Door Handle Oconus Metallic 2015-19 Cadillac CTS XTS 13509689-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Lighted Rear Door Handle Oconus Metallic 2015-19 Cadillac CTS XTS 13509689

Only 1 left!

Lighted Rear Door Handle, Left or Right, Painted Oconus Metallic (627D, GKK, WA627D), With Chrome Description: Lighted Rear Door Handle, Lef...

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SKU: 2020180

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Gray G9K 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Gray G9K 2015-19 ATS CTS XTS 13598619

Only 1 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Satin Steel Gray Metallic 3 (464C, G9K, WA464C), With Chrome Description: ...

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SKU: 2020174

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Silver 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Silver 2015-19 ATS CTS XTS 13598619

Only 4 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Switchblade Silver Metallic 17 (636R, GAN, WA636R), With Chrome Descriptio...

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SKU: 2020175

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Red G7E 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Red G7E 2015-19 ATS CTS XTS 13598619

Only 4 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Caught Red Handed Metallic (132X, G7E, WA132X), With Chrome Description: ...

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SKU: 2020173

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Black GB8 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Black GB8 2015-19 ATS CTS XTS 13598619

Only 2 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Black Meet Kettle Metallic (384A, GB8, WA384A), With Chrome Description: ...

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SKU: 2020171

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Abalone White 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Abalone White 2015-19 ATS CTS XTS 13598619

Only 2 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Abalone White Pearl (140X, G1W, WA140X), With Chrome Description: Front O...

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SKU: 2020170

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Outside Door Handle Non-Lighted Black GBA 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Black GBA 2015-19 ATS CTS XTS 13598619

in stock

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Black 41, (8555, GBA, WA8555), With Chrome Description: Front Outside Doo...

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SKU: 2020172

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Brake Master Cylinder With Reservoir 2013-19 CTS 2014-19 CTS Sedan 84456306-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Brake Master Cylinder With Reservoir 2013-19 CTS 2014-19 CTS Sedan 84456306

in stock

Brake Booster With Master Cylinder And Reservoir, Fits 2013-2019 Cadillac CTS and 2014-2019 CTS Sedan (Excludes V-Series Trims) Description: ...

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SKU: 2020157

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
Drivetrain and Front Suspension Cradle Assembly 2014-19 CTS Vsport 23396494-1
$721.46 - $721.46
$721.46
$721.46 - $721.46
$721.46

Drivetrain and Front Suspension Cradle Assembly 2014-19 CTS Vsport 23396494

Only 1 left!

Drivetrain & Front Suspension Cradle Assembly Description: Drivetrain & Front Suspension Cradle Assembly Part Number: 23396494 C...

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SKU: 2020154

$721.46 - $721.46
$721.46
$721.46 - $721.46
$721.46
Brake Master Cylinder With Reservoir 2013-19 CTS 2014-19 CTS Sedan 84456303-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Brake Master Cylinder With Reservoir 2013-19 CTS 2014-19 CTS Sedan 84456303

Only 4 left!

Brake Booster With Master Cylinder And Reservoir, Fits 2013-2019 Cadillac CTS and 2014-2019 CTS Sedan (Excludes V-Series Trims) Description: ...

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SKU: 2020156

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
New OEM GM Intake Manifold Engine Cover 2016-19 Cadillac ATS CTS 3.6L 12673285-1
$83.18 - $83.18
$83.18
$83.18 - $83.18
$83.18

New OEM GM Intake Manifold Engine Cover 2016-19 Cadillac ATS CTS 3.6L 12673285

Only 4 left!

Intake Manifold/Engine Cover, 3.6L Description: Intake Manifold/Engine Cover, 3.6L Part Number: 12673285 Condition: New OEM, Generic Pac...

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SKU: 2020153

$83.18 - $83.18
$83.18
$83.18 - $83.18
$83.18
Intake Manifold Engine Cover 2014-19 Cadillac CTS VSport 3.6L Turbo 12669219-1
$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41

Intake Manifold Engine Cover 2014-19 Cadillac CTS VSport 3.6L Turbo 12669219

in stock

Intake Manifold/Engine Cover, 3.6L Twin Turbo Description: Intake Manifold/Engine Cover, 3.6L Twin Turbo Part Number: 12669219, 12660635 ...

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SKU: 2020152

$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41
New OEM Engine Coolant Heater Cord 2014-19 Cadillac ATS CTS 3.6L 23257965-1
$88.76 - $88.76
$88.76
$88.76 - $88.76
$88.76

New OEM Engine Coolant Heater Cord 2014-19 Cadillac ATS CTS 3.6L 23257965

in stock

Engine Coolant Heater Cord Description: Engine Coolant Heater Cord Part Number: 23257965 Condition: New OEM, Generic Packaging Other I...

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SKU: 2020149

$88.76 - $88.76
$88.76
$88.76 - $88.76
$88.76
Catalytic Converter With Exhaust Pipe Right 2014-19 Cadillac CTS Vsport 12669580-1
$526.39 - $526.39
$526.39
$526.39 - $526.39
$526.39

Catalytic Converter With Exhaust Pipe Right 2014-19 Cadillac CTS Vsport 12669580

Only 2 left!

Warm-Up 3-Way Catalytic Converter With Exhaust Pipe, Right Hand (Passenger's Side) Description: Warm-Up 3-Way Catalytic Converter With Exhau...

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SKU: 2020146

$526.39 - $526.39
$526.39
$526.39 - $526.39
$526.39
New OEM GM Heater and AC Control Module 2018-19 Cadillac CTS 84428986-1
$72.55 - $72.55
$72.55
$72.55 - $72.55
$72.55

New OEM GM Heater and AC Control Module 2018-19 Cadillac CTS 84428986

in stock

Heater and AC Control Module Description: Heater and AC Control Module Part Number: 84428986 Condition: New OEM, Generic Packaging Oth...

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SKU: 2020144

$72.55 - $72.55
$72.55
$72.55 - $72.55
$72.55
Windshield Washer Fluid Container With 2 Pumps 2014-19 Cadillac CTS 23231226-1
$199.76 - $199.76
$199.76
$199.76 - $199.76
$199.76

Windshield Washer Fluid Container With 2 Pumps 2014-19 Cadillac CTS 23231226

in stock

Windshield Washer Fluid Containter (Alpha), With Headlamp Washer Option (2 Pumps), Fits 2014-2019 Cadillac CTS Description: Windshield Washe...

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SKU: 2020141

$199.76 - $199.76
$199.76
$199.76 - $199.76
$199.76
Catalytic Converter With Exhaust Pipe Left 2014-19 Cadillac CTS Vsport 12669579-1
$526.39 - $526.39
$526.39
$526.39 - $526.39
$526.39

Catalytic Converter With Exhaust Pipe Left 2014-19 Cadillac CTS Vsport 12669579

Only 2 left!

Warm-Up 3-Way Catalytic Converter With Exhaust Pipe, Left Hand (Driver's Side) Description: Warm-Up 3-Way Catalytic Converter With Exhaust P...

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SKU: 2020145

$526.39 - $526.39
$526.39
$526.39 - $526.39
$526.39
Windshield Washer Fluid Container With 2 Pumps 2014-19 Cadillac CTS 23231414-1
$199.76 - $199.76
$199.76
$199.76 - $199.76
$199.76

Windshield Washer Fluid Container With 2 Pumps 2014-19 Cadillac CTS 23231414

in stock

Windshield Washer Fluid Containter (Alpha Plus), Without Headlamp Washer Option (2 Pumps), Fits 2014-2019 Cadillac CTS Description: Windshie...

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SKU: 2020140

$199.76 - $199.76
$199.76
$199.76 - $199.76
$199.76

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