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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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Rear Side Door Window Frame Applique Left 2020 Silverado HD Crew Cab 84692174-1
$60.45 - $60.45
$60.45
$60.45 - $60.45
$60.45

Rear Side Door Window Frame Applique Left 2020 Silverado HD Crew Cab 84692174

in stock

Rear Side Door Window Frame Applique, Left Hand (Driver's Side) Description: Rear Side Door Window Frame Applique, Left Hand (Driver's Side)...

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SKU: 2050155

$60.45 - $60.45
$60.45
$60.45 - $60.45
$60.45
Rear Side Door Window Frame Applique Right 2020 Silverado HD Crew Cab 84692175-1
$60.45 - $60.45
$60.45
$60.45 - $60.45
$60.45

Rear Side Door Window Frame Applique Right 2020 Silverado HD Crew Cab 84692175

Only 1 left!

Rear Side Door Window Frame Applique, Right Hand (Passenger's Side) Description: Rear Side Door Window Frame Applique, Right Hand (Passenger...

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SKU: 2050156

$60.45 - $60.45
$60.45
$60.45 - $60.45
$60.45
New OEM Upper Intermediate Steering Shaft 2020-21 Silverado Sierra HD 84488136-1
$53.27 - $53.27
$53.27
$53.27 - $53.27
$53.27

New OEM Upper Intermediate Steering Shaft 2020-21 Silverado Sierra HD 84488136

in stock

Upper Intermediate Steering Shaft for 2020-2021 Chevrolet Silverado 2500 3500 HD, 2020-2021 GMC Sierra 2500 3500 HD. Connects Steering Column to...

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SKU: 2050154

$53.27 - $53.27
$53.27
$53.27 - $53.27
$53.27
Steering Column With Black Leather Silverado Sierra 10 Speed Auto 84667606-1
$221.96 - $221.96
$221.96
$221.96 - $221.96
$221.96

Steering Column With Black Leather Silverado Sierra 10 Speed Auto 84667606

in stock

Steering Column With Black Leather, For Silverado Sierra 10 Speed Automatic Transmission Description: Steering Column With Black Leather, Fo...

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SKU: 2050153

$221.96 - $221.96
$221.96
$221.96 - $221.96
$221.96
New OEM GM Winter Grille Cover 2020-23 Chevy Silverado 3500 84774161-1
$38.84 - $38.84
$38.84
$38.84 - $38.84
$38.84

New OEM GM Winter Grille Cover 2020-23 Chevy Silverado 3500 84774161

in stock

Front Cover Package, Winter Grille Cover Description: Front Cover Package, Winter Grille Cover Part Number: 84481517, 84774161 Condition...

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SKU: 2050151

$38.84 - $38.84
$38.84
$38.84 - $38.84
$38.84
New OEM GM Front Impact Sensor 2020-23 Silverado Sierra 2500 3500 13514077-1
$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

New OEM GM Front Impact Sensor 2020-23 Silverado Sierra 2500 3500 13514077

in stock

Front Impact Sensor Description: Front Impact Sensor Part Number: 13514077 Condition: New OEM Boxed Other Info: This item will fit the fol...

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SKU: 2050147

$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99
Vehicle Stability Control Switch 2015-19 Silverado Sierra 6.6L Duramax-1
$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15

Vehicle Stability Control Switch 2015-19 Silverado Sierra 6.6L Duramax

in stock

Vehicle Stability Control System Switch, Black, With Pedal Adjust, Traction Control, Bed Lamps, Park Assist, and Exhaust Brake Switches Descr...

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SKU: 2050133

$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15
Vehicle Stability Control System Switch 2015-18 Silverado Sierra 84347205-1
$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15

Vehicle Stability Control System Switch 2015-18 Silverado Sierra 84347205

Only 3 left!

Vehicle Stability Control System Switch, Black, With Pedal Adjust, Traction Control, Bed Lamps, and Hill Descent Switches Description: Vehic...

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SKU: 2050132

$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15
Vehicle Stability Control System Switch 2015-19 Silverado Sierra 6.6L Duramax-1
$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15

Vehicle Stability Control System Switch 2015-19 Silverado Sierra 6.6L Duramax

in stock

Vehicle Stability Control System Switch, Black, With Traction Control, Bed Lamps, Hill Descent, and Exhaust Brake Switches Description: Vehi...

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SKU: 2050129

$24.15 - $24.15
$24.15
$24.15 - $24.15
$24.15
Rancho Front Shock Absorber 2020-24 Silverado Sierra 2500 3500 Z71 84673215-1
$72.11 - $72.11
$72.11
$72.11 - $72.11
$72.11

Rancho Front Shock Absorber 2020-24 Silverado Sierra 2500 3500 Z71 84673215

Only 4 left!

Rancho Front Shock Absorber, Fits 2020-2024 Chevrolet Silverado and GMC Sierra 2500 HD With Z71 Off-Road Package and 4WD Description: Rancho Fr...

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SKU: 2050004

$72.11 - $72.11
$72.11
$72.11 - $72.11
$72.11
Shock Absorber Pair Left and Right Rear With Upper Mount 2014-19 XTS 84326295-1
$574.99 - $574.99
$574.99
$574.99 - $574.99
$574.99

Shock Absorber Pair Left and Right Rear With Upper Mount 2014-19 XTS 84326295

in stock

Shock Absorber Pair, Left and Right Rear, With Upper Mount Description: Shock Absorber Pair, Left and Right Rear, With Upper Mount Part Number:...

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SKU: 2040016

$574.99 - $574.99
$574.99
$574.99 - $574.99
$574.99
Brake Caliper Pair Rear With Pads 2013-19 Cadillac XTS 22796444 22796445 Disc-1
$169.34 - $169.34
$169.34
$169.34 - $169.34
$169.34

Brake Caliper Pair Rear With Pads 2013-19 Cadillac XTS 22796444 22796445 Disc

Only 1 left!

Disc Brake Caliper Pair, Left and Right Rear, With Pads and Bracket (J71,J6C) Description: Disc Brake Caliper Pair, Left and Right Rear, With P...

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SKU: 2040018

$169.34 - $169.34
$169.34
$169.34 - $169.34
$169.34
Right Rear Shock Absorber with Bumper Upper Mount and Nut 2015-19 XTS 84226149-1
$157.24 - $157.24
$157.24
$157.24 - $157.24
$157.24

Right Rear Shock Absorber with Bumper Upper Mount and Nut 2015-19 XTS 84226149

Only 4 left!

Right Rear (Passenger's Side) Shock Absorber with Bumper, Upper Mount, and Nut Description: Right Rear (Passenger's Side) Shock Absorber with B...

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SKU: 2040015

$157.24 - $157.24
$157.24
$157.24 - $157.24
$157.24
Disc Brake Caliper Housing Assembly Left Rear 2013-19 Cadillac XTS 22796445-1
$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70

Disc Brake Caliper Housing Assembly Left Rear 2013-19 Cadillac XTS 22796445

Only 1 left!

Left Rear (Driver's Side) Disc Brake Caliper Housing Assembly Description: Left Rear (Driver's Side) Disc Brake Caliper Housing Assembly Part N...

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SKU: 2040014

$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70
Disc Brake Caliper Housing Assembly Left Rear 2013-19 Cadillac XTS 22796444-1
$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70

Disc Brake Caliper Housing Assembly Left Rear 2013-19 Cadillac XTS 22796444

Only 1 left!

Left Rear (Driver's Side) Disc Brake Caliper Housing Assembly Description: Left Rear (Driver's Side) Disc Brake Caliper Housing Assembly Part N...

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SKU: 2040013

$90.70 - $90.70
$90.70
$90.70 - $90.70
$90.70
Right Rear Shock Absorber Assembly With Upper Mount 14-19 Cadillac XTS 23457037-1
$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43

Right Rear Shock Absorber Assembly With Upper Mount 14-19 Cadillac XTS 23457037

Only 5 left!

Right Rear (Passenger's Side) Shock Absorber Assembly With Upper Mount Description: Right Rear (Passenger's Side) Shock Absorber Assembly With ...

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SKU: 2040012

$302.43 - $302.43
$302.43
$302.43 - $302.43
$302.43
Left Rear Shock Absorber Assembly With Upper Mount 2014-17 Cadillac XTS 23457036-1
$224.43 - $224.43
$224.43
$224.43 - $224.43
$224.43

Left Rear Shock Absorber Assembly With Upper Mount 2014-17 Cadillac XTS 23457036

Only 4 left!

Left Rear (Driver's Side) Shock Absorber Assembly With Upper Mount Description: Left Rear (Driver's Side) Shock Absorber Assembly With Upper...

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SKU: 2040011

$224.43 - $224.43
$224.43
$224.43 - $224.43
$224.43
Left Front Coil Over Strut Assembly 2014-19 Chevy Impala 2.5L 23390185-1
$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95

Left Front Coil Over Strut Assembly 2014-19 Chevy Impala 2.5L 23390185

Only 1 left!

Left Front (Driver's Side) Coil Over Strut Assembly Description: Left Front (Driver's Side) Coil Over Strut Assembly Part Number: 23390185, 506...

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SKU: 2040007

$120.95 - $120.95
$120.95
$120.95 - $120.95
$120.95
OEM Right Front Lower Control Arm GNB LF3 2014-19 Cadillac XTS Vsport 23177775-1
$163.29 - $163.29
$163.29
$163.29 - $163.29
$163.29

OEM Right Front Lower Control Arm GNB LF3 2014-19 Cadillac XTS Vsport 23177775

in stock

Right Front (Passenger's Side) Lower Control Arm (GNB, LF3) Description: Right Front (Passenger's Side) Lower Control Arm (GNB, LF3) Part Numbe...

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SKU: 2040005

$163.29 - $163.29
$163.29
$163.29 - $163.29
$163.29
OEM GM Left Front Lower Control Arm GNB LF3 2014-19 Cadillac XTS Vsport 23177774-1
$163.29 - $163.29
$163.29
$163.29 - $163.29
$163.29

OEM GM Left Front Lower Control Arm GNB LF3 2014-19 Cadillac XTS Vsport 23177774

in stock

Left Front (Driver's Side) Lower Control Arm (GNB, LF3) Description: Left Front (Driver's Side) Lower Control Arm (GNB, LF3) Part Number: 23177...

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SKU: 2040004

$163.29 - $163.29
$163.29
$163.29 - $163.29
$163.29
New OEM GM Radiator Support Bracket 2014-19 Cadillac XTS Vsport 22763125-1
$27.78 - $27.78
$27.78
$27.78 - $27.78
$27.78

New OEM GM Radiator Support Bracket 2014-19 Cadillac XTS Vsport 22763125

in stock

Radiator Support Bracket Description: Radiator Support Bracket Part Number: 22763125 Condition: New OEM, Generic Packaging Other Info: T...

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SKU: 2040000

$27.78 - $27.78
$27.78
$27.78 - $27.78
$27.78
Mirror Glass RH Heated Arabic Warning Text 2015-18 Silverado Sierra 22919746-1
$23.49 - $23.49
$23.49
$23.49 - $23.49
$23.49

Mirror Glass RH Heated Arabic Warning Text 2015-18 Silverado Sierra 22919746

in stock

Side View Mirror Glass, Right Hand (Passenger's Side), With Arabic Warning Text, With Heated Glass Description: Side View Mirror Glass, Right H...

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SKU: 2030438

$23.49 - $23.49
$23.49
$23.49 - $23.49
$23.49
Side View Mirror Cover Cap Right Silver GAN 2015-18 Silverado Sierra 22919758-1
$33.29 - $33.29
$33.29
$33.29 - $33.29
$33.29

Side View Mirror Cover Cap Right Silver GAN 2015-18 Silverado Sierra 22919758

in stock

Side View Mirror Cover Cap, Right Hand (Passenger's Side), Painted Switchblade Silver Metallic (GAN), For 2014-2018 Silverado Sierra 1500 and 20...

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SKU: 2030436

$33.29 - $33.29
$33.29
$33.29 - $33.29
$33.29
Side View Mirror Cover Cap Right Red Hot G7C 2015-18 Silverado Sierra 22919758-1
$33.29 - $33.29
$33.29
$33.29 - $33.29
$33.29

Side View Mirror Cover Cap Right Red Hot G7C 2015-18 Silverado Sierra 22919758

in stock

Side View Mirror Cover Cap, Right Hand (Passenger's Side), Painted Pull Me Over Red (G7C), For 2014-2018 Silverado Sierra 1500 and 2015-2019 Sil...

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SKU: 2030435

$33.29 - $33.29
$33.29
$33.29 - $33.29
$33.29

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