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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

General Motors

Shop our complete catalog of genuine General Motors OEM parts. Our GM inventory covers Chevrolet, Cadillac, Buick, GMC, and Saturn vehicles — airbags, control modules, HVAC components, body parts, drivetrain components, and more, all sourced from GM factory surplus.

General Motors vehicles are built with a wide range of platform-specific components. Our factory-original GM parts are the correct replacement for your specific vehicle — same connector, same calibration, same mechanical specification as the part installed at the factory.

Browse by category or search by GM part number to find exactly what you need. Contact us at 269-343-3323 for part identification and fitment assistance.

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Windshield Washer Fluid Container With 1 Pump 2014-19 Cadillac CTS 23231223-1
$166.46 - $166.46
$166.46
$166.46 - $166.46
$166.46

Windshield Washer Fluid Container With 1 Pump 2014-19 Cadillac CTS 23231223

Only 4 left!

Windshield Washer Fluid Containter (Alpha), Without Headlamp Washer Option (1 Pump), Fits 2014-2019 Cadillac CTS Description: Windshield Was...

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SKU: 2020138

$166.46 - $166.46
$166.46
$166.46 - $166.46
$166.46
Steering Column With Intermediate Shaft 2016-19 Cadillac ATS CTS AWD 84533023-1
$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52

Steering Column With Intermediate Shaft 2016-19 Cadillac ATS CTS AWD 84533023

Only 2 left!

Steering Column Assembly Without Power Tilt/Telescoping, Without Lock Control, Includes Intermediate Steering Shaft, Fits 2016-2019 Cadillac ATS...

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SKU: 2020100

$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52
New OEM GM AC Compressor With Clutch 2017-19 Cadillac CTS 3.6L ATS-V 84123920-1
$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43

New OEM GM AC Compressor With Clutch 2017-19 Cadillac CTS 3.6L ATS-V 84123920

Only 4 left!

AC Compressor With Clutch Description: AC Compressor With Clutch Part Number: 84123920, 84123916 Condition: New OEM, Generic Packaging ...

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SKU: 2020103

$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43
Steering Column With Intermediate Shaft 2018-19 Cadillac ATS CTS RWD 84533023-1
$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52

Steering Column With Intermediate Shaft 2018-19 Cadillac ATS CTS RWD 84533023

Only 2 left!

Steering Column Assembly, Without Power Tilt/Telescoping, Without Lock Control, Includes Intermediate Steering Shaft, Fits 2018-2019 Cadillac AT...

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SKU: 2020099

$217.52 - $217.52
$217.52
$217.52 - $217.52
$217.52
OEM GM Power Tilt Telscoping Steering Column 2018-19 Cadillac CTS RWD 84463280-1
$360.71 - $360.71
$360.71
$360.71 - $360.71
$360.71

OEM GM Power Tilt Telscoping Steering Column 2018-19 Cadillac CTS RWD 84463280

Only 3 left!

Power Tilt Telscoping Steering Column With Intermediate Steering Shaft, Without Lock Control (Option ULS), Fits 2018-2019 Cadillac CTS With Rear...

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SKU: 2020098

$360.71 - $360.71
$360.71
$360.71 - $360.71
$360.71
New OEM GM Instrument Cluster Speedometer KPH 2019 Cadillac CTS 84510416-1
$277.46 - $277.46
$277.46
$277.46 - $277.46
$277.46

New OEM GM Instrument Cluster Speedometer KPH 2019 Cadillac CTS 84510416

Only 2 left!

Kilometers Per Hour (KPH) Instrument Cluster/Speedometer, With Heads Up Display, With Auto Start/Stop. (IOS, IOT, KL9, UDD, UV6, U19) Descrip...

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SKU: 2020091

$277.46 - $277.46
$277.46
$277.46 - $277.46
$277.46
Steering Column With Power Tilt Telescope 2016-19 Cadillac ATS CTS AWD 84463280-1
$388.46 - $388.46
$388.46
$388.46 - $388.46
$388.46

Steering Column With Power Tilt Telescope 2016-19 Cadillac ATS CTS AWD 84463280

Only 3 left!

Steering Column Assembly, With Power Tilt/Telescoping, Without Lock Control, Includes Intermediate Steering Shaft, Fits 2016-2019 Cadillac ATS a...

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SKU: 2020097

$388.46 - $388.46
$388.46
$388.46 - $388.46
$388.46
OEM GM Peripheral HMI Control Module ECCN=7A99 2018-19 Cadillac ATS CTS 42630626-1
$679.96 - $679.96
$679.96
$679.96 - $679.96
$679.96

OEM GM Peripheral HMI Control Module ECCN=7A99 2018-19 Cadillac ATS CTS 42630626

in stock

Peripheral HMI Control Module ECCN=7A99, Fits 2018-2019 Cadillac ATS and CTS (Except V-Series) Description: Peripheral HMI Control Module EC...

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SKU: 2020082

$679.96 - $679.96
$679.96
$679.96 - $679.96
$679.96
New OEM GM Instrument Cluster Speedometer KPH 2019 Cadillac CTS 84510415-1
$277.46 - $277.46
$277.46
$277.46 - $277.46
$277.46

New OEM GM Instrument Cluster Speedometer KPH 2019 Cadillac CTS 84510415

Only 2 left!

Kilometers Per Hour (KPH) Instrument Cluster/Speedometer, Without Heads Up Display, With Auto Start/Stop. (IOS, IOT, KL9, UDD, U19) (EXC UV6) ...

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SKU: 2020090

$277.46 - $277.46
$277.46
$277.46 - $277.46
$277.46
KPH Instrument Cluster Speedometer 2019 Cadillac CTS Vsport 84457489-1
$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21

KPH Instrument Cluster Speedometer 2019 Cadillac CTS Vsport 84457489

Only 5 left!

KPH (Metric/Non-US) Instrument Cluster Speedometer Description: KPH (Metric/Non-US) Instrument Cluster Speedometer Part Number: 84457489, ...

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SKU: 2020088

$305.21 - $305.21
$305.21
$305.21 - $305.21
$305.21
Navigation Data Maps SD Card Middle East MAM 2018-19 ATS CTS Terrain 84364482-1
$30.10 - $30.10
$30.10
$30.10 - $30.10
$30.10

Navigation Data Maps SD Card Middle East MAM 2018-19 ATS CTS Terrain 84364482

in stock

Navigation Data SD Card, 2018-19 Maps For Middle East (Rpo: MAM) Description: Navigation Data SD Card, 2018-19 Maps For Middle East (Rpo: MA...

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SKU: 2020081

$30.10 - $30.10
$30.10
$30.10 - $30.10
$30.10
Navigation Data Maps SD Card For Israel Rpo: MBI 2018-19 ATS CTS 84364931-1
$30.10 - $30.10
$30.10
$30.10 - $30.10
$30.10

Navigation Data Maps SD Card For Israel Rpo: MBI 2018-19 ATS CTS 84364931

in stock

Navigation Data SD Card, 2018-19 Maps For Israel (Rpo: MBI) Description: Navigation Data SD Card, 2018-19 Maps For Israel (Rpo: MBI) Part ...

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SKU: 2020080

$30.10 - $30.10
$30.10
$30.10 - $30.10
$30.10
Centercap Black 2-5/8 in. 2016-24 Cadillac ATS CTS CT4 CT5 XT5 XT6 23212548-1
$14.99 - $14.99
$14.99
$14.99 - $14.99
$14.99

Centercap Black 2-5/8 in. 2016-24 Cadillac ATS CTS CT4 CT5 XT5 XT6 23212548

in stock

Black Cadillac Centercap, 2-5/8" Across Face (67mm), "V" Series Description: Black Cadillac Centercap, 2-5/8" Across Face (67mm), "V" Series...

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SKU: 2020079

$14.99 - $14.99
$14.99
$14.99 - $14.99
$14.99
New OEM GM Front Lane Assist Camera 2017-19 Cadillac ATS CTS 2018 XTS 84336663-1
$305.16 - $305.16
$305.16
$305.16 - $305.16
$305.16

New OEM GM Front Lane Assist Camera 2017-19 Cadillac ATS CTS 2018 XTS 84336663

Only 3 left!

Front Lane Assist Camera, Fits 2019 Buick Envision, 2017-2019 Cadillac ATS and CTS, 2018 Cadillac XTS, and 2017-2018 Chevrolet Spark Descript...

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SKU: 2020078

$305.16 - $305.16
$305.16
$305.16 - $305.16
$305.16
New OEM GM Lane Keep Assist Front Camera 2016-19 Escalade 15-19 ATS CTS 23467859-1
$272.18 - $272.18
$272.18
$272.18 - $272.18
$272.18

New OEM GM Lane Keep Assist Front Camera 2016-19 Escalade 15-19 ATS CTS 23467859

in stock

Lane Keep Assist Front Camera Description: Lane Keep Assist Front Camera Part Number: 23467859, 22904414 Condition: New OEM, Generic Pac...

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SKU: 2020077

$272.18 - $272.18
$272.18
$272.18 - $272.18
$272.18
New OEM GM Radiator Upper Bracket Left 2016-19 Cadillac CTS-V 22960698-1
$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15

New OEM GM Radiator Upper Bracket Left 2016-19 Cadillac CTS-V 22960698

in stock

Radiator Upper Bracket, Left Hand (Driver's Side) Description: Radiator Upper Bracket, Left Hand (Driver's Side) Part Number: 22960698 C...

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SKU: 2020044

$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15
New OEM GM Radiator Upper Bracket Right Hand 2016-19 Cadillac CTS-V 22960697-1
$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71

New OEM GM Radiator Upper Bracket Right Hand 2016-19 Cadillac CTS-V 22960697

in stock

Radiator Upper Bracket, Right Hand (Passenger's Side) 2016-2019 Cadillac CTS-V 6.2L Description: Radiator Upper Bracket, Right Hand (Passeng...

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SKU: 2020043

$27.71 - $27.71
$27.71
$27.71 - $27.71
$27.71
Engine Mount Bracket 2016-19 Cadillac ATS CTS 3.6L NA All Wheel Drive 23394697-1
$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56

Engine Mount Bracket 2016-19 Cadillac ATS CTS 3.6L NA All Wheel Drive 23394697

in stock

Engine Mount Bracket Description: Engine Mount Bracket Part Number: 23394697 Condition: New OEM, Generic Packaging Other Info: With Al...

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SKU: 2020042

$66.56 - $66.56
$66.56
$66.56 - $66.56
$66.56
OEM GM Engine Mount Bracket LH 2013-19 Cadillac ATS 14-19 CTS 2.0L AWD 20841859-1
$42.20 - $42.20
$42.20
$42.20 - $42.20
$42.20

OEM GM Engine Mount Bracket LH 2013-19 Cadillac ATS 14-19 CTS 2.0L AWD 20841859

in stock

Engine Mount Bracket, Left Hand (Driver's) Side Description: Engine Mount Bracket, Left Hand (Driver's) Side Part Number: 20841859 Condi...

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SKU: 2020039

$42.20 - $42.20
$42.20
$42.20 - $42.20
$42.20
New OEM GM Engine Mounting Bracket 2016-19 ATS CTS 3.6L All-Wheel Drive 23267512-1
$72.11 - $72.11
$72.11
$72.11 - $72.11
$72.11

New OEM GM Engine Mounting Bracket 2016-19 ATS CTS 3.6L All-Wheel Drive 23267512

in stock

Engine Mounting Bracket, Right Hand (Passenger's Side) Description: Engine Mounting Bracket, Right Hand (Passenger's Side) Part Number: 23...

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SKU: 2020041

$72.11 - $72.11
$72.11
$72.11 - $72.11
$72.11
AC Compressor Bracket OEM GM 2014-18 Cadillac CTS 3.6L 2016-19 ATS-V 12634252-1
$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46

AC Compressor Bracket OEM GM 2014-18 Cadillac CTS 3.6L 2016-19 ATS-V 12634252

in stock

AC Compressor Bracket Description: AC Compressor Bracket Part Number: 12634252 Condition: New OEM, Generic Packaging Other Info: Th...

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SKU: 2020037

$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46
Rear Suspension Bracket 2013-19 Cadillac ATS 14-19 CTS 16-24 Camaro 22798982-1
$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49

Rear Suspension Bracket 2013-19 Cadillac ATS 14-19 CTS 16-24 Camaro 22798982

in stock

Rear Suspension Bracket, Fits Left or Right Side Description: Rear Suspension Bracket, Fits Left or Right Side Part Number: 22798982, 23227530 ...

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SKU: 2020031

$25.49 - $25.49
$25.49
$25.49 - $25.49
$25.49
Enging Wiring Harness Junction Block Assembly 2017-19 Cadillac CTS 84152958-1
$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41

Enging Wiring Harness Junction Block Assembly 2017-19 Cadillac CTS 84152958

in stock

Enging Wiring Harness Junction Block Assembly, Fits 2017-2019 Cadillac CTS (Except V-Series), Without Auto Stop/Go Description: Enging Wirin...

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SKU: 2020029

$105.41 - $105.41
$105.41
$105.41 - $105.41
$105.41
Generator and Drive Belt Tensioner Bracket 12643475 Cadillac CTS Vsport ATS-V-1
$45.93 - $45.93
$45.93
$45.93 - $45.93
$45.93

Generator and Drive Belt Tensioner Bracket 12643475 Cadillac CTS Vsport ATS-V

Only 5 left!

Generator & Drive Belt Tensioner Bracket Description: Generator & Drive Belt Tensioner Bracket Part Number: 12643475 Condition: ...

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SKU: 2020030

$45.93 - $45.93
$45.93
$45.93 - $45.93
$45.93

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