Skip to content

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

Rear Side Door Light Conductor Lamp White RH 2016-19 Cadillac CT6 23286757-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Rear Side Door Light Conductor Lamp White RH 2016-19 Cadillac CT6 23286757

in stock

Rear Side Door Light Conductor Lamp, White, Right Hand (Passenger's Side) Description: Rear Side Door Light Conductor Lamp, White, Right Han...

View full details

SKU: 1920176

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Light Conductor Lamp White Front Side Door RH 2016-19 Cadillac CT6 23286753-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Light Conductor Lamp White Front Side Door RH 2016-19 Cadillac CT6 23286753

Only 2 left!

Front Side Door Light Conductor Lamp, White, Right Hand (Passenger's Side) Description: Front Side Door Light Conductor Lamp, White, Right H...

View full details

SKU: 1920174

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Light Conductor Lamp White Front Side Door LH 2016-19 Cadillac CT6 23286751-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Light Conductor Lamp White Front Side Door LH 2016-19 Cadillac CT6 23286751

Only 4 left!

Front Side Door Light Conductor Lamp, White, Left Hand (Driver's Side) Description: Front Side Door Light Conductor Lamp, White, Left Hand (...

View full details

SKU: 1920173

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
New OEM GM Front Heater Core w/Tubes 2016-18 Cadillac CT6 w/Ionizing 84055894-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

New OEM GM Front Heater Core w/Tubes 2016-18 Cadillac CT6 w/Ionizing 84055894

Only 3 left!

Front Heater Core, With Tubes, With Ionizing Option Description: Front Heater Core, With Tubes, With Ionizing Option Part Number: 84055894...

View full details

SKU: 1920166

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
OEM GM Expansion Valve Quad Zone 2016-18 Cadillac CT6 84055932-1
$38.84 - $38.84
$38.84
$38.84 - $38.84
$38.84

OEM GM Expansion Valve Quad Zone 2016-18 Cadillac CT6 84055932

Only 1 left!

Expansion Valve, Quad Zone, Without Ionizing Description: Expansion Valve, Quad Zone, Without Ionizing Part Number: 84055932, 15-51364, P1...

View full details

SKU: 1920171

$38.84 - $38.84
$38.84
$38.84 - $38.84
$38.84
Heater Blend Door/Air Inlet Actuator OEM GM 2016-19 Cadillac CT6 15-74636-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

Heater Blend Door/Air Inlet Actuator OEM GM 2016-19 Cadillac CT6 15-74636

Only 2 left!

Heater Blend Door/Air Inlet Actuator Description: Heater Blend Door/Air Inlet Actuator Part Number: 15-74636 Condition: Removed From New...

View full details

SKU: 1920168

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
OEM GM Heater Blend Door Actuator 2016-19 Cadillac CT6 15-74640-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

OEM GM Heater Blend Door Actuator 2016-19 Cadillac CT6 15-74640

in stock

Heater Blend Door Actuator Description: Heater Blend Door Actuator Part Number: 15-74640 Condition: Removed From New OEM, Factory Surplu...

View full details

SKU: 1920167

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
Fuel Sending Unit w/Seal Level Sensor and Lock Ring 2016-19 Cadillac CT6 SK1453-1
$67.14 - $67.14
$67.14
$67.14 - $67.14
$67.14

Fuel Sending Unit w/Seal Level Sensor and Lock Ring 2016-19 Cadillac CT6 SK1453

in stock

Fuel Sending Unit, With Seal, Level Sensor, and Lock Ring Description: Fuel Sending Unit, With Seal, Level Sensor, and Lock Ring Part Numb...

View full details

SKU: 1920163

$67.14 - $67.14
$67.14
$67.14 - $67.14
$67.14
Cover/Sill Plate w/Cadillac Crest LH Lighted 2016-18 Cadillac CT6 84055847-1
$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56

Cover/Sill Plate w/Cadillac Crest LH Lighted 2016-18 Cadillac CT6 84055847

Only 2 left!

Cover/Sill Plate, With Cadillac Crest, Left Hand (Driver's Side) Rear, Lighted Description: Cover/Sill Plate, With Cadillac Crest, Left Hand...

View full details

SKU: 1920160

$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56
Cover/Sill Plate w/Cadillac Crest RH Lighted 2016-18 Cadillac CT6 84055848-1
$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56

Cover/Sill Plate w/Cadillac Crest RH Lighted 2016-18 Cadillac CT6 84055848

Only 3 left!

Cover/Sill Plate, With Cadillac Crest, (Passenger's Side) Rear, Lighted Description: Cover/Sill Plate, With Cadillac Crest, (Passenger's Sid...

View full details

SKU: 1920159

$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56
Cover/Sill Plate w/Cadillac Crest LH Rear Non-Lighted 2016-18 CT6 22959808-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

Cover/Sill Plate w/Cadillac Crest LH Rear Non-Lighted 2016-18 CT6 22959808

in stock

Cover/Sill Plate, With Cadillac Crest, Left Hand (Driver's Side) Rear, Non-Lighted Description: Cover/Sill Plate, With Cadillac Crest, Left ...

View full details

SKU: 1920158

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
New OEM GM Front Seat Adjuster Switch LH Jet Black 2016-18 Cadillac CT6 84071971-1
$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 84071971

Only 2 left!

Front Seat Adjuster Switch, Left Hand (Driver's Side), Jet Black, Without Chrome Description: Front Seat Adjuster Switch, Left Hand (Driver'...

View full details

SKU: 1920146

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
Cover/Sill Plate w/Cadillac Crest RH Rear Non-Lighted 2016-18 CT6 22959809-1
$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62

Cover/Sill Plate w/Cadillac Crest RH Rear Non-Lighted 2016-18 CT6 22959809

in stock

Cover/Sill Plate, With Cadillac Crest, Right Hand (Passenger's Side) Rear, Non-Lighted Description: Cover/Sill Plate, With Cadillac Crest, R...

View full details

SKU: 1920157

$36.62 - $36.62
$36.62
$36.62 - $36.62
$36.62
New OEM GM Interior Trim Retainer 5-Pack 2015-18 Silverado Sierra Yukon 11611805-1
$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20

New OEM GM Interior Trim Retainer 5-Pack 2015-18 Silverado Sierra Yukon 11611805

in stock

Interior Trim Retainers - 5 Pack Description: Interior Trim Retainers - 5 Pack Part Number: 11611805 Condition: New OEM, Generic Packagi...

View full details

SKU: 1920148

$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20
New OEM GM Front Seat Adjuster Switch RH Jet Black 2016-18 Cadillac CT6 84071974-1
$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 84071974

Only 2 left!

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

View full details

SKU: 1920147

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
New GM OEM Starter Solenoid Harness 2016-17 Cadillac CT6 3.6L 23421388-1
$146.51 - $146.51
$146.51
$146.51 - $146.51
$146.51

New GM OEM Starter Solenoid Harness 2016-17 Cadillac CT6 3.6L 23421388

in stock

Starter Solenoid Harness Description: Starter Solenoid Harness Part Number: 23421388 Condition: AC Delco Boxed Other Info: This ite...

View full details

SKU: 1920144

$146.51 - $146.51
$146.51
$146.51 - $146.51
$146.51
OEM GM Chassis Control Module Assembly 2017-18 Camaro LaCrosse ATS CTS 84181466-1
$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56

OEM GM Chassis Control Module Assembly 2017-18 Camaro LaCrosse ATS CTS 84181466

Only 1 left!

Chassis Control Module Description: Chassis Control Module Part Number: 84181466 Condition: New OEM, Generic Packaging Other Info: ...

View full details

SKU: 1920130

$91.56 - $91.56
$91.56
$91.56 - $91.56
$91.56
Engine Control Module E82 ECM 2016-18 Cadillac ATS CTS CT6 Camaro 3.6L 12679078-1
$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14

Engine Control Module E82 ECM 2016-18 Cadillac ATS CTS CT6 Camaro 3.6L 12679078

Only 2 left!

Engine Control Module (ECM), E82 Type Description: Engine Control Module (ECM), E82 Type Part Number: 12679552, 12679078, 12687296 Condi...

View full details

SKU: 1920129

$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14
New OEM GM Fuel Cooler Assembly 2017-18 Silverado Sierra 6.6L 84287432-1
$341.87 - $341.87
$341.87
$341.87 - $341.87
$341.87

New OEM GM Fuel Cooler Assembly 2017-18 Silverado Sierra 6.6L 84287432

Only 1 left!

Fuel Cooler Assembly Description: Fuel Cooler Assembly Part Number: 84287432 Condition: New OEM, Generic Packaging Other Info: This...

View full details

SKU: 1920123

$341.87 - $341.87
$341.87
$341.87 - $341.87
$341.87
New OEM GM Hood Open Assist Spring LH 2017-19 Silverado Sierra 6.6L 84253087-1
$23.19 - $23.19
$23.19
$23.19 - $23.19
$23.19

New OEM GM Hood Open Assist Spring LH 2017-19 Silverado Sierra 6.6L 84253087

in stock

Hood Open Assist Spring, Left Hand (Driver's Side) Description: Hood Open Assist Spring, Left Hand (Driver's Side) Part Number: 84253087 Cond...

View full details

SKU: 1920121

$23.19 - $23.19
$23.19
$23.19 - $23.19
$23.19
New OEM GM Exhaust Pipe Clamp 2017-18 Silverado Sierra 6.6L 12683493-1
$24.96 - $24.96
$24.96
$24.96 - $24.96
$24.96

New OEM GM Exhaust Pipe Clamp 2017-18 Silverado Sierra 6.6L 12683493

in stock

Exhaust Pipe Clamp Description: Exhaust Pipe Clamp Part Number: 12683493, 12674775 Condition: New OEM, Generic Packaging Other Info: ...

View full details

SKU: 1920119

$24.96 - $24.96
$24.96
$24.96 - $24.96
$24.96
Rear Display Unit/Screen 20 Way Adjustable AQ9 RH 2016-18 Cadillac CT6 84097783-1
$389.49 - $389.49
$389.49
$389.49 - $389.49
$389.49

Rear Display Unit/Screen 20 Way Adjustable AQ9 RH 2016-18 Cadillac CT6 84097783

Only 3 left!

Rear Display Unit/Screen, 20 Way Adjustable (Option: AQ9), Right Hand (Passenger's Side) Description: Rear Display Unit/Screen, 20 Way Adjus...

View full details

SKU: 1920112

$389.49 - $389.49
$389.49
$389.49 - $389.49
$389.49
Rear Interior Trim Package Tray Cashmere w/Panaray & Power Shade 16 CT6 84113427-1
$366.29 - $366.29
$366.29
$366.29 - $366.29
$366.29

Rear Interior Trim Package Tray Cashmere w/Panaray & Power Shade 16 CT6 84113427

Only 3 left!

Rear Interior Trim Package Tray, Cashmere, With Panaray, With Power Shade Description: Rear Interior Trim Package Tray, Cashmere, With Panar...

View full details

SKU: 1920095

$366.29 - $366.29
$366.29
$366.29 - $366.29
$366.29
New OEM GM Hood Release Cable 2016-18 Cadillac CT6 23357389-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

New OEM GM Hood Release Cable 2016-18 Cadillac CT6 23357389

in stock

Hood Release Cable Description: Hood Release Cable Part Number: 23357389, 84095113 Condition: New OEM, Generic Packaging Other Info: ...

View full details

SKU: 1920094

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare