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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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New OEM GM Body Wiring Harness Junction Block 2014-19 Cadillac ATS CTS 23134073-1
$99.86 - $99.86
$99.86
$99.86 - $99.86
$99.86

New OEM GM Body Wiring Harness Junction Block 2014-19 Cadillac ATS CTS 23134073

Only 4 left!

Body Wiring Harness Junction Block, Rear Description: Body Wiring Harness Junction Block, Rear Part Number: 23134073 Condition: New OEM,...

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SKU: 2021222

$99.86 - $99.86
$99.86
$99.86 - $99.86
$99.86
Hood Hinge Right Hand Passenger Side 2014-19 Cadillac CTS 22784835-1
$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21

Hood Hinge Right Hand Passenger Side 2014-19 Cadillac CTS 22784835

in stock

Hood Hinge, Right Hand (Passenger's Side), Fits 2014-2019 Cadillac CTS (Except V-Series) Description: Hood Hinge, Right Hand (Passenger's Si...

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SKU: 2021218

$83.21 - $83.21
$83.21
$83.21 - $83.21
$83.21
Front End Cross Brace Left Side 2013-19 Cadillac ATS 2020 CT4 22884506-1
$44.02 - $44.02
$44.02
$44.02 - $44.02
$44.02

Front End Cross Brace Left Side 2013-19 Cadillac ATS 2020 CT4 22884506

Only 5 left!

Front End Cross Brace, Left Hand (Passenger's Side) Description: Front End Cross Brace, Left Hand (Passenger's Side) Part Number: 22884506...

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SKU: 2021217

$44.02 - $44.02
$44.02
$44.02 - $44.02
$44.02
Windshield Washer Solvent Container Tube 2014-19 Cadillac CTS Sedan 22773549-1
$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71

Windshield Washer Solvent Container Tube 2014-19 Cadillac CTS Sedan 22773549

in stock

Windshield Washer Solvent Container Tube Description: Windshield Washer Solvent Container Tube Part Number: 23234939, 22773549, 23188660 ...

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SKU: 2021216

$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71
New OEM GM Windshield Washer Solvent Container Filler Tube 2013-19 ATS 23166819-1
$21.73 - $21.73
$21.73
$21.73 - $21.73
$21.73

New OEM GM Windshield Washer Solvent Container Filler Tube 2013-19 ATS 23166819

in stock

Windshield Washer Solvent Container Filler Tube Description: Windshield Washer Solvent Container Filler Tube Part Number: 23166819 Condi...

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SKU: 2021215

$21.73 - $21.73
$21.73
$21.73 - $21.73
$21.73
New OEM GM Fuel Door Primer 2014-19 Cadillac CTS Sedan 22846658-1
$61.01 - $61.01
$61.01
$61.01 - $61.01
$61.01

New OEM GM Fuel Door Primer 2014-19 Cadillac CTS Sedan 22846658

in stock

Fuel Door In Primer For 2014-2019 Cadillac CTS Sedan Description: Fuel Door In Primer For 2014-2019 Cadillac CTS Sedan Part Number: 228466...

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SKU: 2021214

$61.01 - $61.01
$61.01
$61.01 - $61.01
$61.01
New OEM GM Emblem Trunk Lid Badge 2010-16 Chevy Camaro RS 92228473-1
$36.47 - $36.47
$36.47
$36.47 - $36.47
$36.47

New OEM GM Emblem Trunk Lid Badge 2010-16 Chevy Camaro RS 92228473

in stock

Decklid/Trunk Mounted "RS" Badge/Emblem, With Adhesive Backing Description: Decklid/Trunk Mounted "RS" Badge/Emblem, With Adhesive Backing ...

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SKU: 2021209

$36.47 - $36.47
$36.47
$36.47 - $36.47
$36.47
New OEM GM Half Shaft Front Right 2013-19 Cadillac ATS With AWD 84309440-1
$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95

New OEM GM Half Shaft Front Right 2013-19 Cadillac ATS With AWD 84309440

in stock

Half Shaft, Right Hand (Passenger's Side) Front Description: Half Shaft, Right Hand (Passenger's Side) Front Part Number: 84309440 Condi...

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SKU: 2021213

$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95
New OEM GM Half Shaft Front Left 2013-19 Cadillac ATS With AWD 84309439-1
$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95

New OEM GM Half Shaft Front Left 2013-19 Cadillac ATS With AWD 84309439

in stock

Half Shaft, Left Hand (Driver's Side) Front Description: Half Shaft, Left Hand (Driver's Side) Front Part Number: 84309439 Condition: Ne...

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SKU: 2021212

$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95
New OEM GM High Mount Stop Lamp With Cover Gray GA6 2014-19 CTS Sedan 23339467-1
$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95

New OEM GM High Mount Stop Lamp With Cover Gray GA6 2014-19 CTS Sedan 23339467

in stock

High Mount Stop Lamp With Cover, Painted You Drive Me Grazy Metallic (GA6, WA380A) Description: High Mount Stop Lamp With Cover, Painted You...

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SKU: 2021204

$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95
Driver Side Wiper Arm With 84613732 22 IN Blade 2013-19 ATS 2020-22 CT4 22905711-1
$44.36 - $44.36
$44.36
$44.36 - $44.36
$44.36

Driver Side Wiper Arm With 84613732 22 IN Blade 2013-19 ATS 2020-22 CT4 22905711

in stock

Driver's Side Windshield Wiper Arm, With 22" Blade Description: Driver's Side Windshield Wiper Arm, With 22" Blade Part Number: 84613732, ...

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SKU: 2021203

$44.36 - $44.36
$44.36
$44.36 - $44.36
$44.36
Upper Right Side Rear Door Opening Reveal Molding 2015-19 ATS Coupe 23213862-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Upper Right Side Rear Door Opening Reveal Molding 2015-19 ATS Coupe 23213862

Only 5 left!

Upper Right (Passenger) Side Rear Door Opening/Quarter Panel Reveal Molding, Fits 2015-2019 Cadillac ATS Coupe Description: Upper Right (Pas...

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SKU: 2021202

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
Windshield Washer Fluid Container With 13593730 Pump 14-19 Cadillac CTS 23231224-1
$121.72 - $121.72
$121.72
$121.72 - $121.72
$121.72

Windshield Washer Fluid Container With 13593730 Pump 14-19 Cadillac CTS 23231224

in stock

Windshield Washer Fluid Container Assembly, Includes One (1) Pump (Without Headlamp Washer Option) Description: Windshield Washer Fluid Cont...

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SKU: 2021200

$121.72 - $121.72
$121.72
$121.72 - $121.72
$121.72
New OEM GM Instrument Panel Wiring Harness Ground Bolt 10 Pack 11609268-1
$19.94 - $19.94
$19.94
$19.94 - $19.94
$19.94

New OEM GM Instrument Panel Wiring Harness Ground Bolt 10 Pack 11609268

in stock

Instrument Panel Wiring Harness Ground Bolt (10 Pack) Description: Instrument Panel Wiring Harness Ground Bolt (10 Pack) Part Number: 1160...

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SKU: 2021144

$19.94 - $19.94
$19.94
$19.94 - $19.94
$19.94
New OEM GM Cowl Air Inlet Grille Panel 2013-19 Cadillac ATS 23332839-1
$133.16 - $133.16
$133.16
$133.16 - $133.16
$133.16

New OEM GM Cowl Air Inlet Grille Panel 2013-19 Cadillac ATS 23332839

in stock

Cowl Grille/Air Inlet Grille Panel Description: Cowl Grille/Air Inlet Grille Panel Part Number: 23332839 Condition: New OEM, Generic Pac...

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SKU: 2021198

$133.16 - $133.16
$133.16
$133.16 - $133.16
$133.16
Air Cleaner Outlet Front Duct 2017-19 Cadillac ATS-V 3.6L Twin Turbo 23361173-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Air Cleaner Outlet Front Duct 2017-19 Cadillac ATS-V 3.6L Twin Turbo 23361173

in stock

Air Cleaner Outlet Front Duct, Fits 2017-2019 Cadillac ATS-V 3.6L Twin Turbo Description: Air Cleaner Outlet Front Duct, Fits 2017-2019 Cadi...

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SKU: 2021197

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 Cadillac CTS Vsport 23490200-1
$105.29 - $105.29
$105.29
$105.29 - $105.29
$105.29

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 Cadillac CTS Vsport 23490200

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac CTS, 3.6L Vsport Description: Transmission Fluid Cooler Inlet &am...

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SKU: 2021072

$105.29 - $105.29
$105.29
$105.29 - $105.29
$105.29
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 CTS 3.6L N/A With AWD 23441346-1
$127.49 - $127.49
$127.49
$127.49 - $127.49
$127.49

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 CTS 3.6L N/A With AWD 23441346

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac CTS, 3.6L (Except Vsport), With M5N Transmission, With All-Wheel Driv...

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SKU: 2021071

$127.49 - $127.49
$127.49
$127.49 - $127.49
$127.49
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 ATS CTS 3.6L With RWD 23390134-1
$83.09 - $83.09
$83.09
$83.09 - $83.09
$83.09

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 ATS CTS 3.6L With RWD 23390134

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac ATS and CTS With 3.6L Engine (Except Vsport), With M5N Transmission, ...

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SKU: 2021070

$83.09 - $83.09
$83.09
$83.09 - $83.09
$83.09
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 AWD 23151062-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 AWD 23151062

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23151062 C...

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SKU: 2021069

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 RWD 23151061-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 RWD 23151061

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23151061 C...

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SKU: 2021068

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 RWD 23104596-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 RWD 23104596

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23104596 C...

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SKU: 2021066

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 AWD 23104597-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 AWD 23104597

Only 3 left!

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23104597 C...

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SKU: 2021067

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
New OEM GM GPS/Navigation Antenna Coax Cable 2017-19 Cadillac CTS-V 22958810-1
$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49

New OEM GM GPS/Navigation Antenna Coax Cable 2017-19 Cadillac CTS-V 22958810

in stock

GPS/Navigation Antenna Coax Cable Description: GPS/Navigation Antenna Coax Cable Part Number: 22958810 Condition: New OEM, Manufacturer ...

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SKU: 2020980

$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49

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