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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 Engine Wiring Harness Extension 2016-19 Cadillac CTS V 84019690-1
$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46

New OEM GM Engine Wiring Harness Extension 2016-19 Cadillac CTS V 84019690

in stock

Engine Wiring Harness Extension Harness Description: Engine Wiring Harness Extension Harness Part Number: 84019690 Condition: New OEM, G...

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SKU: 2020804

$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46
New OEM GM High Mount Stop Lamp With Cover Silver GAN 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 Silver GAN 2014-19 CTS Sedan 23339467

in stock

High Mount Stop Lamp With Cover, Painted Switchblade Silver Metallic (GAN, WA636R) Description: High Mount Stop Lamp With Cover, Painted Swi...

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SKU: 2020730

$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95
New OEM GM Hood Air Extractor Deflector 2016-19 Cadillac CTS-V 84052648-1
$90.66 - $90.66
$90.66
$90.66 - $90.66
$90.66

New OEM GM Hood Air Extractor Deflector 2016-19 Cadillac CTS-V 84052648

in stock

Hood Air Extractor Deflector (Under Hood Vent) Description: Hood Air Extractor Deflector (Under Hood Vent) Part Number: 84052648 Conditi...

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SKU: 2020751

$90.66 - $90.66
$90.66
$90.66 - $90.66
$90.66
New OEM GM High Mounted Stop Lamp Cover Red G7E 2014-19 CTS Sedan 23339467-1
$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41

New OEM GM High Mounted Stop Lamp Cover Red G7E 2014-19 CTS Sedan 23339467

in stock

High Mounted Stop Lamp Cover Assembly, Painted Caught Red Handed Metallic (G7E, WA132X) Description: High Mounted Stop Lamp Cover Assembly, ...

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SKU: 2020728

$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41
New OEM GM High Mounted Stop Lamp Cover Gray G9K 2014-19 CTS Sedan 23339467-1
$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41

New OEM GM High Mounted Stop Lamp Cover Gray G9K 2014-19 CTS Sedan 23339467

in stock

High Mounted Stop Lamp Cover Assembly, Painted Satin Steel Gray Metallic 3 (G9K, WA464C) Description: High Mounted Stop Lamp Cover Assembly,...

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SKU: 2020729

$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41
New OEM GM High Mounted Stop Lamp Cover Abalone White 2014-19 CTS Sedan 23339467-1
$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41

New OEM GM High Mounted Stop Lamp Cover Abalone White 2014-19 CTS Sedan 23339467

in stock

High Mounted Stop Lamp Cover Assembly, Painted Abalone White Pearl (G1W, WA140X) Description: High Mounted Stop Lamp Cover Assembly, Painted...

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SKU: 2020724

$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41
New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS Vsport 3.6L 84417087-1
$76.50 - $76.50
$76.50
$76.50 - $76.50
$76.50

New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS Vsport 3.6L 84417087

in stock

Starter Solenoid Cable Assembly For 2018-2019 Cadillac CTS Vsport 3.6L Description: Starter Solenoid Cable Assembly For 2018-2019 Cadillac C...

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SKU: 2020682

$76.50 - $76.50
$76.50
$76.50 - $76.50
$76.50
New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS 2.0L 84417082-1
$105.36 - $105.36
$105.36
$105.36 - $105.36
$105.36

New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS 2.0L 84417082

Only 3 left!

Starter Solenoid Cable Assembly For 2018-2019 Cadillac CTS With 2.0L Engine Description: Starter Solenoid Cable Assembly For 2018-2019 Cadil...

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SKU: 2020681

$105.36 - $105.36
$105.36
$105.36 - $105.36
$105.36
New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS 2.0L 84417081-1
$36.54 - $36.54
$36.54
$36.54 - $36.54
$36.54

New OEM GM Starter Solenoid Cable 2018-19 Cadillac CTS 2.0L 84417081

in stock

Starter Solenoid Cable Assembly For 2018-2019 Cadillac CTS With 2.0L Engine Description: Starter Solenoid Cable Assembly For 2018-2019 Cadil...

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SKU: 2020680

$36.54 - $36.54
$36.54
$36.54 - $36.54
$36.54
New OEM Starter Solenoid Cable Assembly 2016-19 Cadillac CTS 3.6L LGX 84025064-1
$44.36 - $44.36
$44.36
$44.36 - $44.36
$44.36

New OEM Starter Solenoid Cable Assembly 2016-19 Cadillac CTS 3.6L LGX 84025064

Only 2 left!

Starter Solenoid Cable Assembly Description: Starter Solenoid Cable Assembly Part Number: 84025064 Condition: New OEM, Generic Packaging...

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SKU: 2020678

$44.36 - $44.36
$44.36
$44.36 - $44.36
$44.36
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

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