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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

Brands

Browse our complete inventory of genuine OEM parts organized by manufacturer. Source One Auto Parts carries factory-original components from GM, ACDelco, Toyota, Ford, Subaru, Hyundai, Honda, Kia, Chrysler, Motorcraft, Champion, Wagner, Michelin, and more.

Every brand in our inventory represents the actual original equipment supplier for the vehicles those parts fit. We do not carry aftermarket substitutes — only factory-original parts sourced directly from manufacturer surplus.

Select your brand to browse available inventory, or use the search to find a specific part number. Contact us at 269-343-3323 for part identification assistance.

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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
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
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
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
Windshield Washer Fluid Container With 1 Pump 2014-19 Cadillac CTS 23231223-1
$166.46 - $166.46
$166.46
$166.46 - $166.46
$166.46

Windshield Washer Fluid Container With 1 Pump 2014-19 Cadillac CTS 23231223

Only 4 left!

Windshield Washer Fluid Containter (Alpha), Without Headlamp Washer Option (1 Pump), Fits 2014-2019 Cadillac CTS Description: Windshield Was...

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SKU: 2020138

$166.46 - $166.46
$166.46
$166.46 - $166.46
$166.46
Steering Column With Intermediate Shaft 2016-19 Cadillac ATS CTS AWD 84533023-1
$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52

Steering Column With Intermediate Shaft 2016-19 Cadillac ATS CTS AWD 84533023

Only 2 left!

Steering Column Assembly Without Power Tilt/Telescoping, Without Lock Control, Includes Intermediate Steering Shaft, Fits 2016-2019 Cadillac ATS...

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SKU: 2020100

$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52
New OEM GM AC Compressor With Clutch 2017-19 Cadillac CTS 3.6L ATS-V 84123920-1
$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43

New OEM GM AC Compressor With Clutch 2017-19 Cadillac CTS 3.6L ATS-V 84123920

Only 4 left!

AC Compressor With Clutch Description: AC Compressor With Clutch Part Number: 84123920, 84123916 Condition: New OEM, Generic Packaging ...

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SKU: 2020103

$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43
Steering Column With Intermediate Shaft 2018-19 Cadillac ATS CTS RWD 84533023-1
$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52

Steering Column With Intermediate Shaft 2018-19 Cadillac ATS CTS RWD 84533023

Only 2 left!

Steering Column Assembly, Without Power Tilt/Telescoping, Without Lock Control, Includes Intermediate Steering Shaft, Fits 2018-2019 Cadillac AT...

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SKU: 2020099

$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52
OEM GM Power Tilt Telscoping Steering Column 2018-19 Cadillac CTS RWD 84463280-1
$360.71 - $360.71
$360.71
$360.71 - $360.71
$360.71

OEM GM Power Tilt Telscoping Steering Column 2018-19 Cadillac CTS RWD 84463280

Only 3 left!

Power Tilt Telscoping Steering Column With Intermediate Steering Shaft, Without Lock Control (Option ULS), Fits 2018-2019 Cadillac CTS With Rear...

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SKU: 2020098

$360.71 - $360.71
$360.71
$360.71 - $360.71
$360.71

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