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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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Air Cleaner Outlet Front Duct 2017-19 Cadillac ATS-V 3.6L Twin Turbo 23361173-1
$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71

Air Cleaner Outlet Front Duct 2017-19 Cadillac ATS-V 3.6L Twin Turbo 23361173

in stock

Air Cleaner Outlet Front Duct, Fits 2017-2019 Cadillac ATS-V 3.6L Twin Turbo Description: Air Cleaner Outlet Front Duct, Fits 2017-2019 Cadi...

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SKU: 2021197

$138.71 - $138.71
$138.71
$138.71 - $138.71
$138.71
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 Cadillac CTS Vsport 23490200-1
$105.29 - $105.29
$105.29
$105.29 - $105.29
$105.29

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 Cadillac CTS Vsport 23490200

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac CTS, 3.6L Vsport Description: Transmission Fluid Cooler Inlet &am...

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SKU: 2021072

$105.29 - $105.29
$105.29
$105.29 - $105.29
$105.29
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 CTS 3.6L N/A With AWD 23441346-1
$127.49 - $127.49
$127.49
$127.49 - $127.49
$127.49

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 CTS 3.6L N/A With AWD 23441346

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac CTS, 3.6L (Except Vsport), With M5N Transmission, With All-Wheel Driv...

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SKU: 2021071

$127.49 - $127.49
$127.49
$127.49 - $127.49
$127.49
Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 ATS CTS 3.6L With RWD 23390134-1
$83.09 - $83.09
$83.09
$83.09 - $83.09
$83.09

Trans Fluid Cooler Inlet & Outlet Pipe 2016-19 ATS CTS 3.6L With RWD 23390134

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe, Fits 2016-2019 Cadillac ATS and CTS With 3.6L Engine (Except Vsport), With M5N Transmission, ...

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SKU: 2021070

$83.09 - $83.09
$83.09
$83.09 - $83.09
$83.09
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 AWD 23151062-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 AWD 23151062

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23151062 C...

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SKU: 2021069

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 RWD 23151061-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 2 RWD 23151061

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23151061 C...

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SKU: 2021068

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 RWD 23104596-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 RWD 23104596

in stock

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23104596 C...

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SKU: 2021066

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 AWD 23104597-1
$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75

Transmission Fluid Cooler Inlet Outlet Pipe 16-19 CTS 16-18 ATS 3.6 AWD 23104597

Only 3 left!

Transmission Fluid Cooler Inlet & Outlet Pipe Description: Transmission Fluid Cooler Inlet & Outlet Pipe Part Number: 23104597 C...

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SKU: 2021067

$96.75 - $96.75
$96.75
$96.75 - $96.75
$96.75
New OEM GM GPS/Navigation Antenna Coax Cable 2017-19 Cadillac CTS-V 22958810-1
$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49

New OEM GM GPS/Navigation Antenna Coax Cable 2017-19 Cadillac CTS-V 22958810

in stock

GPS/Navigation Antenna Coax Cable Description: GPS/Navigation Antenna Coax Cable Part Number: 22958810 Condition: New OEM, Manufacturer ...

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SKU: 2020980

$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49
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 1 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

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