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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.

Filters

OEM GM Chrome Reveal Molding Front RH 2016-18 Cadillac CT6 Non-Hybrid 84149359-1
$85.46 - $85.46
$85.46
$85.46 - $85.46
$85.46

OEM GM Chrome Reveal Molding Front RH 2016-18 Cadillac CT6 Non-Hybrid 84149359

Only 1 left!

Chrome Reveal Molding, Right Hand (Passenger's Side) Front Description: Chrome Reveal Molding, Right Hand (Passenger's Side) Front Part Nu...

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SKU: 1920065

$85.46 - $85.46
$85.46
$85.46 - $85.46
$85.46
New OEM GM Front Seat Adjuster Switch LH Black 2016-18 Cadillac CT6 84071965-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

New OEM GM Front Seat Adjuster Switch LH Black 2016-18 Cadillac CT6 84071965

Only 5 left!

Front Seat Adjuster Switch, Left Hand (Driver's Side), Jet Black Description: Front Seat Adjuster Switch, Left Hand (Driver's Side), Jet Bla...

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SKU: 1920057

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
New OEM GM Rear Body Fuse Block Cover 2016-18 Cadillac CT6 84063479-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

New OEM GM Rear Body Fuse Block Cover 2016-18 Cadillac CT6 84063479

in stock

Rear Body Fuse Block Cover Description: Rear Body Fuse Block Cover Part Number: 84063479 Condition: New OEM, Generic Packaging Other I...

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SKU: 1920046

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
New OEM GM Front Seat Adjuster Switch LH Jet Black 2016-18 Cadillac CT6 84071972-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

New OEM GM Front Seat Adjuster Switch LH Jet Black 2016-18 Cadillac CT6 84071972

in stock

Front Seat Adjuster Switch, Left Hand (Driver's Side), Jet Black Description: Front Seat Adjuster Switch, Left Hand (Driver's Side), Jet Bla...

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SKU: 1920056

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 Base Sedan 84132274-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 Base Sedan 84132274

Only 3 left!

Park Assist Disable Switch Description: Park Assist Disable Switch Part Number: 84132274 Condition: New OEM, Generic Packaging Other I...

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SKU: 1920047

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
OEM Turbo Cooler Feed Fittings 2016-18 CT6 3.0L Cruze 1.4L Malibu 1.5L 12676405-1
$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20

OEM Turbo Cooler Feed Fittings 2016-18 CT6 3.0L Cruze 1.4L Malibu 1.5L 12676405

in stock

Turbo Cooler Feed Fittings Description: Turbo Cooler Feed Fittings Part Number: 12676405 Condition: New OEM, Generic Packaging Other I...

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SKU: 1920040

$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20
New GM OEM Starter Solenoid Cable 2016-17 Cadillac CT6 3.6L 84064702-1
$152.61 - $152.61
$152.61
$152.61 - $152.61
$152.61

New GM OEM Starter Solenoid Cable 2016-17 Cadillac CT6 3.6L 84064702

in stock

Starter Solenoid Cable Description: Starter Solenoid Cable Part Number: 84064702 Condition: AC Delco Boxed Other Info: This item wi...

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SKU: 1920039

$152.61 - $152.61
$152.61
$152.61 - $152.61
$152.61
OEM GM Engine Oil Cooler Inlet Pipe To Radiator 2017-18 Cadillac CT6 84075167-1
$21.97 - $21.97
$21.97
$21.97 - $21.97
$21.97

OEM GM Engine Oil Cooler Inlet Pipe To Radiator 2017-18 Cadillac CT6 84075167

in stock

Engine Oil Cooler Inlet Pipe (To Radiator) Description: Engine Oil Cooler Inlet Pipe (To Radiator) Part Number: 84075167 Condition: New ...

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SKU: 1920036

$21.97 - $21.97
$21.97
$21.97 - $21.97
$21.97
New OEM GM Fuel Filler Housing 2017-18 Cadillac CT6 Base Model 84116585-1
$21.97 - $21.97
$21.97
$21.97 - $21.97
$21.97

New OEM GM Fuel Filler Housing 2017-18 Cadillac CT6 Base Model 84116585

in stock

Fuel Filler Housing Description: Fuel Filler Housing Part Number: 84116585, 23171797 Condition: New OEM, Generic Packaging Other Info:...

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SKU: 1920033

$21.97 - $21.97
$21.97
$21.97 - $21.97
$21.97
Fuel Tank Filler Pipe Housing 2016-18 Cadillac CT6 84247231-1
$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71

Fuel Tank Filler Pipe Housing 2016-18 Cadillac CT6 84247231

in stock

Fuel Tank Filler Pipe Housing Description: Fuel Tank Filler Pipe Housing Part Number: 84247231, 39059244, 22991261, 23171797 Condition: ...

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SKU: 1920032

$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71
New OEM GM Front Seat Adjuster Switch RH Jet Black 2016-18 Cadillac CT6 84071963-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

New OEM GM Front Seat Adjuster Switch RH Jet Black 2016-18 Cadillac CT6 84071963

in stock

Front Seat Actuator Switch, Right Hand (Passenger's Side), Jet Black Description: Front Seat Actuator Switch, Right Hand (Passenger's Side),...

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SKU: 1920028

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
New OEM GM Front HVAC Heater Core 2016-18 Cadillac CT6 With Ionizing 84055894-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

New OEM GM Front HVAC Heater Core 2016-18 Cadillac CT6 With Ionizing 84055894

Only 5 left!

Front HVAC Heater Core Description: Front HVAC Heater Core Part Number: 84055894, 84406414 Condition: New OEM, Generic Packaging Other...

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SKU: 1920029

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
OEM GM Hazard Switch Black New 2016-18 Cadillac CT6 84132278-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

OEM GM Hazard Switch Black New 2016-18 Cadillac CT6 84132278

in stock

Park Assist Disable Switch Description: Park Assist Disable Switch Part Number: 84132278 Condition: New OEM, Generic Packaging Other I...

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SKU: 1920026

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 84132276-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 84132276

in stock

Park Assist Disable Switch Description: Park Assist Disable Switch Part Number: 84132276, 84159991 Condition: New OEM, Generic Packaging...

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SKU: 1920027

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Radiator Inlet Hose Radiator Upper to Engine 16-18 Cadillac CT6 3.0L 23486242-1
$42.72 - $42.72
$42.72
$42.72 - $42.72
$42.72

Radiator Inlet Hose Radiator Upper to Engine 16-18 Cadillac CT6 3.0L 23486242

in stock

Radiator Inlet Hose (Radiator Upper to Engine) Description: Radiator Inlet Hose (Radiator Upper to Engine) Part Number: 23486242, 22885645...

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SKU: 1920025

$42.72 - $42.72
$42.72
$42.72 - $42.72
$42.72
New OEM GM Front Seat Actuator Switch RH Black 2016-18 Cadillac CT6 84071969-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

New OEM GM Front Seat Actuator Switch RH Black 2016-18 Cadillac CT6 84071969

in stock

Front Seat Actuator Switch, Right Hand (Passenger's Side), Jet Black Description: Front Seat Actuator Switch, Right Hand (Passenger's Side),...

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SKU: 1920023

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
ACDelco GM Original Equipment Engine Control Module Assembly E80 ECM 12669908-1
$122.09 - $122.09
$122.09
$122.09 - $122.09
$122.09

ACDelco GM Original Equipment Engine Control Module Assembly E80 ECM 12669908

in stock

E80 Type Engine Control Module (ECM) Description: E80 Type Engine Control Module (ECM) Part Number: 12669908, 12700116, 12676841 Conditi...

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SKU: 1910000

$122.09 - $122.09
$122.09
$122.09 - $122.09
$122.09
Console Upper Trim Panel Natural Ash 2018 Cadillac XTS-1
$134.30 - $134.30
$134.30
$134.30 - $134.30
$134.30

Console Upper Trim Panel Natural Ash 2018 Cadillac XTS

Only 2 left!

Console Upper Trim Panel, Natural Ash Description: Console Upper Trim Panel, Natural Ash Part Number: 2018 XTS NATURAL ASH Condition: Ne...

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SKU: 1900055

$134.30 - $134.30
$134.30
$134.30 - $134.30
$134.30
Interior Door Panel Applique LH Front Natural Ash Lighted 2018 Cadillac XTS-1
$146.51 - $146.51
$146.51
$146.51 - $146.51
$146.51

Interior Door Panel Applique LH Front Natural Ash Lighted 2018 Cadillac XTS

in stock

Interior Door Panel Applique, Left Hand (Driver's Side) Front, Natural Ash, Lighted Description: Interior Door Panel Applique, Left Hand (Dr...

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SKU: 1900058

$146.51 - $146.51
$146.51
$146.51 - $146.51
$146.51
Cupholder Assembly Natural Ash w/Mat 2018 Cadillac XTS-1
$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67

Cupholder Assembly Natural Ash w/Mat 2018 Cadillac XTS

Only 3 left!

Cupholder Assembly, Natural Ash, With Mat Description: Cupholder Assembly, Natural Ash, With Mat Part Number: 2018 XTS NATURAL ASH Condi...

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SKU: 1900054

$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67
Console Upper Trim Panel Ebony Lineate 2018 Cadillac XTS-1
$134.30 - $134.30
$134.30
$134.30 - $134.30
$134.30

Console Upper Trim Panel Ebony Lineate 2018 Cadillac XTS

Only 2 left!

Console Upper Trim Panel, Ebony Lineate Description: Console Upper Trim Panel, Ebony Lineate Part Number: 2018 XTS EBONY LINEATE Conditi...

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SKU: 1900053

$134.30 - $134.30
$134.30
$134.30 - $134.30
$134.30
Cupholder Assembly Ebony Lineate w/Mat 2018 Cadillac XTS-1
$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67

Cupholder Assembly Ebony Lineate w/Mat 2018 Cadillac XTS

Only 1 left!

Cupholder Assembly, Ebony Lineate, With Mat Description: Cupholder Assembly, Ebony Lineate, With Mat Part Number: 2018 XTS EBONY LINEATE ...

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SKU: 1900052

$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67
Front License Plate Attachment Package 2013-18 Cadillac XTS 10397293-1
$10.98 - $10.98
$10.98
$10.98 - $10.98
$10.98

Front License Plate Attachment Package 2013-18 Cadillac XTS 10397293

in stock

Front License Plate Attachment Package, Includes 2 Screws and 4 Rivets Description: Front License Plate Attachment Package, Includes 2 Screw...

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SKU: 1900047

$10.98 - $10.98
$10.98
$10.98 - $10.98
$10.98
Center Console Auxiliary Jack Dual USB Charging 2014-18 Enclave Acadia 13598459-1
$42.72 - $42.72
$42.72
$42.72 - $42.72
$42.72

Center Console Auxiliary Jack Dual USB Charging 2014-18 Enclave Acadia 13598459

in stock

Center Console Auxiliary Jack With Dual USB Charging (Charging Only, Not Input Type) Description: Center Console Auxiliary Jack With Dual US...

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SKU: 1900050

$42.72 - $42.72
$42.72
$42.72 - $42.72
$42.72

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