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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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ACDelco GM OEM Mobile Telephone/GPS Navigation Antenna Coax Cable 23420189-1
$14.37 - $14.37
$14.37
$14.37 - $14.37
$14.37

ACDelco GM OEM Mobile Telephone/GPS Navigation Antenna Coax Cable 23420189

in stock

Mobile Telephone/GPS Navigation Antenna Coax Cable Description: Mobile Telephone/GPS Navigation Antenna Coax Cable Part Number: 23420189 ...

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SKU: 2020673

$14.37 - $14.37
$14.37
$14.37 - $14.37
$14.37
Auxiliary Generator Battery Jumper Cable 2018-19 Cadillac CTS 84234269-1
$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56

Auxiliary Generator Battery Jumper Cable 2018-19 Cadillac CTS 84234269

in stock

Auxiliary Generator Battery Jumper Cable, Fits 2018-2019 Cadillac CTS With 2.0L or 3.6L Naturally Aspirated Engine Description: Auxiliary Ge...

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SKU: 2020666

$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56
Battery Negative Cable Extension Cable 2017-19 Cadillac CTS Vsport 84108128-1
$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71

Battery Negative Cable Extension Cable 2017-19 Cadillac CTS Vsport 84108128

in stock

Battery Negative Cable Extension Cable Assembly Description: Battery Negative Cable Extension Cable Assembly Part Number: 84108128 Condi...

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SKU: 2020667

$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71
OEM GM Rear Compartment Lid Bumper 2 Pack 13-19 XTS 13-19 ATS 14-18 CTS 22870089-1
$10.84 - $10.84
$10.84
$10.84 - $10.84
$10.84

OEM GM Rear Compartment Lid Bumper 2 Pack 13-19 XTS 13-19 ATS 14-18 CTS 22870089

in stock

Rear Compartment Lid Bumper 2-Pack Description: Rear Compartment Lid Bumper 2-Pack Part Number: 22870089 Condition: New OEM, Generic Pac...

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SKU: 2020663

$10.84 - $10.84
$10.84
$10.84 - $10.84
$10.84
Theft Deterent Alarm With 20998574 Brack 2013-19 Cadillac ATS 14-19 CTS 39098012-1
$60.67 - $60.67
$60.67
$60.67 - $60.67
$60.67

Theft Deterent Alarm With 20998574 Brack 2013-19 Cadillac ATS 14-19 CTS 39098012

in stock

Power Sounder Module, Alarm (Anti-Theft) - W/Brkt (Brkt Specific To Ats/Cts, Module Fits More) Description: Power Sounder Module, Alarm (Ant...

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SKU: 2020625

$60.67 - $60.67
$60.67
$60.67 - $60.67
$60.67
OEM GM Laminated Window Left Rear 2014-19 Cadillac CTS Sedan 20978535-1
$151.19 - $151.19
$151.19
$151.19 - $151.19
$151.19

OEM GM Laminated Window Left Rear 2014-19 Cadillac CTS Sedan 20978535

in stock

Laminated Window, Left Hand (Driver's Side), Rear Description: Laminated Window, Left Hand (Driver's Side), Rear Part Number: 20978535 C...

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SKU: 2020503

$151.19 - $151.19
$151.19
$151.19 - $151.19
$151.19
New OEM Engine Mount Bracket Cadillac ATS-V CTS Vsport 3.6L Twin Turbo 22862293-1
$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70

New OEM Engine Mount Bracket Cadillac ATS-V CTS Vsport 3.6L Twin Turbo 22862293

in stock

Engine Mount Bracket, Left Hand (Driver's Side) Description: Engine Mount Bracket, Left Hand (Driver's Side) Part Number: 22862293 Condi...

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SKU: 2020605

$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70
OEM GM Laminated Window Right Rear 2014-19 Cadillac CTS Sedan 20978534-1
$151.19 - $151.19
$151.19
$151.19 - $151.19
$151.19

OEM GM Laminated Window Right Rear 2014-19 Cadillac CTS Sedan 20978534

in stock

Laminated Window, Right Hand (Passenger's Side), Rear Description: Laminated Window, Right Hand (Passenger's Side), Rear Part Number: 2097...

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SKU: 2020502

$151.19 - $151.19
$151.19
$151.19 - $151.19
$151.19
Theft Deterent Alarm Disable Switch Black 2014-19 Cadillac ATS CTS 22960888-1
$21.82 - $21.82
$21.82
$21.82 - $21.82
$21.82

Theft Deterent Alarm Disable Switch Black 2014-19 Cadillac ATS CTS 22960888

in stock

Theft Deterent Alarm Disable Switch, Jet Black Description: Theft Deterent Alarm Disable Switch, Jet Black Part Number: 22960888 Conditi...

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SKU: 2020499

$21.82 - $21.82
$21.82
$21.82 - $21.82
$21.82
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

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