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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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Side View Mirror RH Black Painted 2011-15 Cadillac CTS Coupe 25951750 25975527-1
$186.77 - $186.77
$186.77
$186.77 - $186.77
$186.77

Side View Mirror RH Black Painted 2011-15 Cadillac CTS Coupe 25951750 25975527

Only 1 left!

Right Hand Side View Mirror, Black Painted, Power Folding, Electric, Heated, and Memory, 11 Wire Harness Description: Right Hand Side View M...

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SKU: 1220101

$186.77 - $186.77
$186.77
$186.77 - $186.77
$186.77
Side View Mirror LH Left Black Painted 2011-15 Cadillac CTS Coupe 25975528-1
$186.77 - $186.77
$186.77
$186.77 - $186.77
$186.77

Side View Mirror LH Left Black Painted 2011-15 Cadillac CTS Coupe 25975528

Only 4 left!

Left Hand Side View Mirror, Black Painted, Power Folding, Electric, Heated, and Memory, 11 Wire Harness Description: Left Hand Side View Mir...

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SKU: 1220100

$186.77 - $186.77
$186.77
$186.77 - $186.77
$186.77
Side View Mirror LH Switchblade Silver 2008-14 Cadillac CTS Sedan/Wagon 25828072-1
$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12

Side View Mirror LH Switchblade Silver 2008-14 Cadillac CTS Sedan/Wagon 25828072

Only 2 left!

Left Hand Side View Mirror, Switchblade Silver Painted, Heated, Electric, Power Folding, With Memory, 11 Wire Harness Description: Left Hand...

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SKU: 1220097

$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12
Side View Mirror RH Switchblade Silver 2008-14 CTS Sedan/Wagon 25828071-1
$156.24 - $156.24
$156.24
$156.24 - $156.24
$156.24

Side View Mirror RH Switchblade Silver 2008-14 CTS Sedan/Wagon 25828071

Only 1 left!

Right Hand Side View Mirror, Switchblade Silver Painted, Heated, Electric, Power Folding, With Memory, 11 Wire Harness Description: Right Ha...

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SKU: 1220096

$156.24 - $156.24
$156.24
$156.24 - $156.24
$156.24
Side View Mirror LH Left White Diamond 2008-14 Cadillac CTS Sedan/Wagon 25828072-1
$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12

Side View Mirror LH Left White Diamond 2008-14 Cadillac CTS Sedan/Wagon 25828072

Only 1 left!

Left Hand Side View Mirror, Champagne White Diamond Painted, Heated, Electric, Power Folding, With Memory, 11 Wire Harness Description: Left...

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SKU: 1220091

$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12
Side View Mirror RH White Diamond 2008-14 Cadillac CTS Sedan/Wagon 25828071-1
$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14

Side View Mirror RH White Diamond 2008-14 Cadillac CTS Sedan/Wagon 25828071

Only 1 left!

Right Hand Side View Mirror, Champagne White Diamond Painted, Heated, Electric, Power Folding, With Memory, 11 Wire Harness Description: Rig...

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SKU: 1220090

$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14
Side View Mirror LH Champagne Silver 2008-14 Cadillac CTS Sedan/Wagon 25828072-1
$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12

Side View Mirror LH Champagne Silver 2008-14 Cadillac CTS Sedan/Wagon 25828072

Only 2 left!

Left Hand Side View Mirror, Champagne Silver Metallic Painted, Heated, Electric, Power Folding, With Memory, 11 Wire Harness Description: Le...

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SKU: 1220075

$172.12 - $172.12
$172.12
$172.12 - $172.12
$172.12
Side View Mirror RH Arabic Text Black Diamond 2008-14 CTS Sedan/Wagon 25828074-1
$97.04 - $97.04
$97.04
$97.04 - $97.04
$97.04

Side View Mirror RH Arabic Text Black Diamond 2008-14 CTS Sedan/Wagon 25828074

Only 1 left!

Right Hand Side View Mirror, Black Diamond Tricoat Painted, Power Folding, Electric, Heated, and Memory, 11 Wire Harness, With Arabic Warning Te...

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SKU: 1220067

$97.04 - $97.04
$97.04
$97.04 - $97.04
$97.04
Antenna Cover Painted Silver Topaz Metallic 101V 2009-13 Cadillac CTS 22820728-1
$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39

Antenna Cover Painted Silver Topaz Metallic 101V 2009-13 Cadillac CTS 22820728

in stock

Silver Topaz Metallic (101V) Painted Antenna Cover Description: Silver Topaz Metallic (101V) Painted Antenna Cover Part Number: 22820728 ...

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SKU: 1220021

$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39
Digital Antenna Cover Silver Topaz Metallic 101V 2009-13 Cadillac CTS 22820725-1
$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33

Digital Antenna Cover Silver Topaz Metallic 101V 2009-13 Cadillac CTS 22820725

Only 3 left!

Silver Topaz Metallic Painted Digital Antenna Cover Description: Silver Topaz Metallic Painted Digital Antenna Cover Part Number: 22820725...

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SKU: 1220020

$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33
Digital Antenna Cover Painted Son of Gun Gray 139X 2009-13 Cadillac CTS 23126396-1
$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33

Digital Antenna Cover Painted Son of Gun Gray 139X 2009-13 Cadillac CTS 23126396

Only 5 left!

Son of Gun Gray Painted Digital Antenna Cover Description: Son of Gun Gray Painted Digital Antenna Cover Part Number: 23126396 Condition...

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SKU: 1220019

$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33
Digital Antenna Cover Opulent Blue Metallic 705U 2012-13 Cadillac CTS 20957369-1
$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33

Digital Antenna Cover Opulent Blue Metallic 705U 2012-13 Cadillac CTS 20957369

Only 3 left!

Opulent Blue Metallic Painted Digital Antenna Cover Description: Opulent Blue Metallic Painted Digital Antenna Cover Part Number: 20957369...

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SKU: 1220018

$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33
Antenna Cover Champagne Silver Metallic 102V 2009-13 Cadillac CTS 22820726-1
$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33

Antenna Cover Champagne Silver Metallic 102V 2009-13 Cadillac CTS 22820726

Only 5 left!

Champagne Silver Metallic Painted Digital Antenna Cover Description: Champagne Silver Metallic Painted Digital Antenna Cover Part Number: 22820...

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SKU: 1220017

$21.33 - $21.33
$21.33
$21.33 - $21.33
$21.33
Digital Antenna Cover Black Diamond Tri-Coat 815T 2009-13 Cadillac CTS 20957374-1
$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39

Digital Antenna Cover Black Diamond Tri-Coat 815T 2009-13 Cadillac CTS 20957374

in stock

Black Diamond Tri-Coat Painted Digital Antenna Cover Description: Black Diamond Tri-Coat Painted Digital Antenna Cover Part Number: 209573...

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SKU: 1220015

$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39
OEM GM Mobile Telephone Microphone 2012-14 Silverado Sierra Yukon Tahoe 13576669-1
$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30

OEM GM Mobile Telephone Microphone 2012-14 Silverado Sierra Yukon Tahoe 13576669

in stock

Mobile Telephone Microphone Description: Mobile Telephone Microphone Part Number: 13576669 Condition: New OEM, Generic Packaging Other...

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SKU: 1210445

$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30
Digital/Satellite Radio Antenna Base 2012-13 Cadillac CTS 22763481-1
$42.09 - $42.09
$42.09
$42.09 - $42.09
$42.09

Digital/Satellite Radio Antenna Base 2012-13 Cadillac CTS 22763481

in stock

Digital/Satellite Radio Antenna Base Description: Digital/Satellite Radio Antenna Base Part Number: 22763481 Condition: New OEM, Generic...

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SKU: 1220011

$42.09 - $42.09
$42.09
$42.09 - $42.09
$42.09
Dome Lamp Assembly/Overhead Reading Lamp Cashmere 2010-13 Buick LaCrosse 9059871-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

Dome Lamp Assembly/Overhead Reading Lamp Cashmere 2010-13 Buick LaCrosse 9059871

in stock

Dome Lamp Assembly (Overhead Reading Lamp), Cashmere/Tan Description: Dome Lamp Assembly (Overhead Reading Lamp), Cashmere/Tan Part Number...

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SKU: 1210444

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
Dome Lamp Assembly/Overhead Reading Lamp Titanium 2010-13 Buick LaCrosse 9059876-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

Dome Lamp Assembly/Overhead Reading Lamp Titanium 2010-13 Buick LaCrosse 9059876

in stock

Dome Lamp Assembly (Overhead Reading Lamp), Titanium/Gray Description: Dome Lamp Assembly (Overhead Reading Lamp), Titanium/Gray Part Numb...

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SKU: 1210443

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
Multi-Function Switch Park Assist Traction Control 2010-12 LaCrosse 20884384-1
$12.78 - $12.78
$12.78
$12.78 - $12.78
$12.78

Multi-Function Switch Park Assist Traction Control 2010-12 LaCrosse 20884384

in stock

Rear parking Assist, Obstacle Detection, and Traction Control Multi-Function Switch, Without Rear Sunshade Description: Rear parking Assist,...

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SKU: 1210441

$12.78 - $12.78
$12.78
$12.78 - $12.78
$12.78
GM OEM Parking Brake Switch 2010-15 Buick LaCrosse 25795114-1
$15.88 - $15.88
$15.88
$15.88 - $15.88
$15.88

GM OEM Parking Brake Switch 2010-15 Buick LaCrosse 25795114

in stock

Center Console Mounted Parking Brake Switch Description: Center Console Mounted Parking Brake Switch Part Number: 25795114 Condition: Ne...

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SKU: 1210440

$15.88 - $15.88
$15.88
$15.88 - $15.88
$15.88
Multi-Function Hazard Switch 2010-13 Buick LaCrosse 20980652-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

Multi-Function Hazard Switch 2010-13 Buick LaCrosse 20980652

in stock

Multi-Function Switch (Hazard, Passenger SRS Indicator, Lock/Unlock) Description: Multi-Function Switch (Hazard, Passenger SRS Indicator, Lock/...

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SKU: 1210439

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
Automatic Transmission Shifter Bezel Poplar Wood 2012-13 Buick LaCrosse 90870484-1
$103.77 - $103.77
$103.77
$103.77 - $103.77
$103.77

Automatic Transmission Shifter Bezel Poplar Wood 2012-13 Buick LaCrosse 90870484

Only 1 left!

Automatic Transmission Shifter Bezel, Poplar Wood Trim, With Rear Sunshade Switch Description: Automatic Transmission Shifter Bezel, Poplar ...

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SKU: 1210438

$103.77 - $103.77
$103.77
$103.77 - $103.77
$103.77
Outer Steering Wheel Trim Black LH 2010-13 Buick Allure LaCrosse 13279443-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Outer Steering Wheel Trim Black LH 2010-13 Buick Allure LaCrosse 13279443

in stock

Black, Left Side Outer Steering Wheel Trim Piece Description: Black, Left Side Outer Steering Wheel Trim Piece Part Number: 13279443 Con...

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SKU: 1210430

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Outer Steering Wheel Trim Black RH 2010-13 Buick Allure LaCrosse 13279444-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Outer Steering Wheel Trim Black RH 2010-13 Buick Allure LaCrosse 13279444

in stock

Black, Right Side Outer Steering Wheel Trim Piece Description: Black, Right Side Outer Steering Wheel Trim Piece Part Number: 13279444 C...

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SKU: 1210429

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

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