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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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Turbo Charger Intercooler Hose Tube Return Line Seal/Gasket Set of 2 12662185-1
$10.54 - $10.54
$10.54
$10.54 - $10.54
$10.54

Turbo Charger Intercooler Hose Tube Return Line Seal/Gasket Set of 2 12662185

in stock

Turbo Charger Intercooler Hose Tube Return Line Seal/Gasket (Set of 2) Description: Turbo Charger Intercooler Hose Tube Return Line Seal/Gas...

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SKU: 2020982

$10.54 - $10.54
$10.54
$10.54 - $10.54
$10.54
Rocker Panel Molding Pair Pull Me Over Red 2016-19 CTS-V 23441973 23441974-1
$708.17 - $708.17
$708.17
$708.17 - $708.17
$708.17

Rocker Panel Molding Pair Pull Me Over Red 2016-19 CTS-V 23441973 23441974

Only 1 left!

Rocker Panel Molding Pair (Left and Right Hand Side), Painted Pull Me Over Red (130X, G7C, WA130X) Description: Rocker Panel Molding Pair (L...

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SKU: 2020975

$708.17 - $708.17
$708.17
$708.17 - $708.17
$708.17
Rocker Panel Molding Pair Satin Steel Gray 2014-18 CTS Sedan 23304192 23304193-1
$708.17 - $708.17
$708.17
$708.17 - $708.17
$708.17

Rocker Panel Molding Pair Satin Steel Gray 2014-18 CTS Sedan 23304192 23304193

Only 5 left!

Rocker Panel Molding Pair (Left and Right Hand Side), Painted Satin Steel Gray Metallic 3 (464C, G9K, WA464C) Description: Rocker Panel Mold...

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SKU: 2020973

$708.17 - $708.17
$708.17
$708.17 - $708.17
$708.17
Rocker Panel Molding Pair Abalone White 2014-18 CTS Sedan 23304192 23304193-1
$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39

Rocker Panel Molding Pair Abalone White 2014-18 CTS Sedan 23304192 23304193

Only 1 left!

Rocker Panel Molding Pair (Left and Right Hand Side), Painted Abalone White Pearl (140X, G1W, WA140X) Description: Rocker Panel Molding Pair...

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SKU: 2020962

$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39
Rocker Panel Molding Pair Caught Red Handed 2014-18 CTS Sedan 23304192 23304193-1
$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39

Rocker Panel Molding Pair Caught Red Handed 2014-18 CTS Sedan 23304192 23304193

Only 2 left!

Rocker Panel Molding Pair (Left and Right Hand Side), Painted Caught Red Handed Metallic (132X, G7E, WA132X) Description: Rocker Panel Moldi...

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SKU: 2020961

$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39
Window Belt Reveal Molding 4 Piece Kit Gloss 2018-19 Cadillac CTS Black-1
$443.96 - $443.96
$443.96
$443.96 - $443.96
$443.96

Window Belt Reveal Molding 4 Piece Kit Gloss 2018-19 Cadillac CTS Black

in stock

Window Belt Molding Kit, All Four Doors, Gloss Black in Color, Part of 2018-2019 Cadillac CTS Morello Red Package (Option A7C) Description: ...

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SKU: 2020953

$443.96 - $443.96
$443.96
$443.96 - $443.96
$443.96
New OEM GM Rocker Panel Molding Pair Black 2014-18 CTS Sedan 23304192 23304193-1
$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39

New OEM GM Rocker Panel Molding Pair Black 2014-18 CTS Sedan 23304192 23304193

Only 1 left!

Rocker Panel Molding Pair (Left and Right Hand Side), Painted Black 41, (8555, GBA, WA8555) Description: Rocker Panel Molding Pair (Left and...

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SKU: 2020960

$488.39 - $488.39
$488.39
$488.39 - $488.39
$488.39
New OEM GM Front Floor Flood Lamp Upper Ride Side 2014-19 Cadillac CTS 23206333-1
$54.40 - $54.40
$54.40
$54.40 - $54.40
$54.40

New OEM GM Front Floor Flood Lamp Upper Ride Side 2014-19 Cadillac CTS 23206333

in stock

Front Floor Flood Lamp, Upper Right Hand (Passenger's Side) Description: Front Floor Flood Lamp, Upper Right Hand (Passenger's Side) Part ...

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SKU: 2020939

$54.40 - $54.40
$54.40
$54.40 - $54.40
$54.40
New OEM GM Front Floor Flood Lamp Block Right 14-19 Cadillac CTS Sedan 22807727-1
$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30

New OEM GM Front Floor Flood Lamp Block Right 14-19 Cadillac CTS Sedan 22807727

in stock

Front Floor Flood Lamp Block, Right Hand (Passenger's Side) Description: Front Floor Flood Lamp Block, Right Hand (Passenger's Side) Part ...

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SKU: 2020938

$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30
AC Evaporator Hose New OEM GM 2014-19 Cadillac CTS Vsport 23228912-1
$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06

AC Evaporator Hose New OEM GM 2014-19 Cadillac CTS Vsport 23228912

in stock

A/C Evaporator Hose Description: A/C Evaporator Hose Part Number: 23228912, 23467545, 15-34639 Condition: New OEM, Generic Packaging O...

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SKU: 2020875

$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06
New OEM GM Front Floor Flood Lamp Block Left 2014-19 Cadillac CTS Sedan 22807726-1
$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30

New OEM GM Front Floor Flood Lamp Block Left 2014-19 Cadillac CTS Sedan 22807726

in stock

Front Floor Flood Lamp Block, Left Hand (Driver's Side) Description: Front Floor Flood Lamp Block, Left Hand (Driver's Side) Part Number: ...

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SKU: 2020937

$42.30 - $42.30
$42.30
$42.30 - $42.30
$42.30
AC Compressor Discharge Hose With Sensor 2018-19 Cadillac ATS CTS 2.0L 84008571-1
$94.31 - $94.31
$94.31
$94.31 - $94.31
$94.31

AC Compressor Discharge Hose With Sensor 2018-19 Cadillac ATS CTS 2.0L 84008571

in stock

AC Compressor Discharge Hose With Sensor, Fits 2018-2019 Cadillac ATS and CTS With 2.0L Engine Description: AC Compressor Discharge Hose Wit...

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SKU: 2020874

$94.31 - $94.31
$94.31
$94.31 - $94.31
$94.31
AC Compressor Discharge Hose With Sensor 2018-19 Cadillac CTS Vsport 84008570-1
$94.31 - $94.31
$94.31
$94.31 - $94.31
$94.31

AC Compressor Discharge Hose With Sensor 2018-19 Cadillac CTS Vsport 84008570

Only 5 left!

AC Compressor Discharge Hose With Sensor, Fits 2018-2019 Cadillac CTS Vsport Description: AC Compressor Discharge Hose With Sensor, Fits 201...

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SKU: 2020873

$94.31 - $94.31
$94.31
$94.31 - $94.31
$94.31
Air Cleaner Outlet Front Duct 2014-19 Cadillac CTS Vsport 3.6L Turbo 22844631-1
$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06

Air Cleaner Outlet Front Duct 2014-19 Cadillac CTS Vsport 3.6L Turbo 22844631

Only 2 left!

Air Cleaner Outlet Front Duct, Fits 2014-2019 Cadillac CTS Vsport 3.6L Turbo Description: Air Cleaner Outlet Front Duct, Fits 2014-2019 Cadi...

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SKU: 2020754

$122.06 - $122.06
$122.06
$122.06 - $122.06
$122.06
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

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