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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

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Welcome to Source One Auto Parts — your destination for genuine New OEM and factory-original auto parts at competitive prices. Browse our complete inventory of over 250 parts for GM, Toyota, Subaru, Ford, Hyundai, Honda, Kia, Chrysler, and more.

Every part we sell is sourced directly from manufacturer surplus — the same components installed at the factory, in new and uninstalled condition. We do not sell aftermarket or counterfeit parts. What you see is what we have in stock, ready to ship.

Use the filters and search to find parts by category, brand, or part number. If you have a fitment question, contact us at 269-343-3323 and we will verify compatibility directly from the part in hand.

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Door Handle LH Front Paragon Bronze GGX w/Chrome 2008-11 Cadillac DTS 20857765-1
$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99

Door Handle LH Front Paragon Bronze GGX w/Chrome 2008-11 Cadillac DTS 20857765

in stock

Left (Driver's Side) Front Door Handle With Key Hole Description: Left (Driver's Side) Front Door Handle With Key Hole Part Number: 208577...

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SKU: 1010283

$35.99 - $35.99
$35.99
$35.99 - $35.99
$35.99
New OEM GM Seat Belt Height Adjuster 2006-11 Cadillac DTS Buick Lucerne 25918390-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

New OEM GM Seat Belt Height Adjuster 2006-11 Cadillac DTS Buick Lucerne 25918390

in stock

Seat Belt Height Adjuster (fit left or right front seats) Description: Seat Belt Height Adjuster (fit left or right front seats) Part Numb...

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SKU: 1010845

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
SDM Control Module Sensor 2010 Hummer H3 20864339-1
$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67

SDM Control Module Sensor 2010 Hummer H3 20864339

Only 4 left!

SDM Control Module (Sensing Diognostic Module)

SKU: 1001452

$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67
OEM GM 4-Pin Relays 2-Pack High Power 4-Terminal Multi-Use Relays 13500587-1
$15.25 - $15.25
$15.25
$15.25 - $15.25
$15.25

OEM GM 4-Pin Relays 2-Pack High Power 4-Terminal Multi-Use Relays 13500587

in stock

OEM GM 4-Pin Relays (2 Pack), High Power 4-Terminal Multi-Use Description: OEM GM 4-Pin Relays (2 Pack), High Power 4-Terminal Multi-Use P...

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SKU: 1220384

$15.25 - $15.25
$15.25
$15.25 - $15.25
$15.25
Side Door Window LH Rear 0.7 2008-14 Cadillac CTS Sedan 43752 Wagon 15242619-1
$109.85 - $109.85
$109.85
$109.85 - $109.85
$109.85

Side Door Window LH Rear 0.7 2008-14 Cadillac CTS Sedan 43752 Wagon 15242619

in stock

Left Hand Quarter Window, 70% Transparency, DOT & E Certified Description: Left Hand Quarter Window, 70% Transparency, DOT & E Certi...

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SKU: 1260160

$109.85 - $109.85
$109.85
$109.85 - $109.85
$109.85
Center Console Lamp w/Switch & Harness Right Side 2010-13 Buick LaCrosse 9018795-1
$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30

Center Console Lamp w/Switch & Harness Right Side 2010-13 Buick LaCrosse 9018795

in stock

Console Lamp, Right, With Activate (Push Down) Switch, Includes Harness Description: Console Lamp, Right, With Activate (Push Down) Switch, ...

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SKU: 1210370

$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30
DTS CTS Deville Seville Door Handle LH Front Crystal Claret Red 89U 20857749-1
$27.44 - $27.44
$27.44
$27.44 - $27.44
$27.44

DTS CTS Deville Seville Door Handle LH Front Crystal Claret Red 89U 20857749

Only 5 left!

Left (Driver's Side) Front Door Handle With Key Hole Description: Left (Driver's Side) Front Door Handle With Key Hole Part Number: 208577...

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SKU: 1010272

$27.44 - $27.44
$27.44
$27.44 - $27.44
$27.44
Engine Coolant Block Heater Cord 2009-11 Buick Lucerne 3.9L 20792964-1
$29.88 - $29.88
$29.88
$29.88 - $29.88
$29.88

Engine Coolant Block Heater Cord 2009-11 Buick Lucerne 3.9L 20792964

Only 2 left!

Engine Coolant/Block Heater Cord Description: Engine Coolant/Block Heater Cord Part Number: 20792964 Condition: New OEM, Generic Packagi...

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SKU: 1010302

$29.88 - $29.88
$29.88
$29.88 - $29.88
$29.88
Interior Door Handle Left Hand Front 2006-07 Chevy Monte Carlo 15810006-1
$12.17 - $12.17
$12.17
$12.17 - $12.17
$12.17

Interior Door Handle Left Hand Front 2006-07 Chevy Monte Carlo 15810006

in stock

Left (Driver's Side) Black Interior Door Handle Description: Left (Driver's Side) Black Interior Door Handle Part Number: 15810006 Condi...

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SKU: 1000962

$12.17 - $12.17
$12.17
$12.17 - $12.17
$12.17
Cabin Air Temperature Sensor 64 22 6 915 391 BMW 64226915391-1
$28.04 - $28.04
$28.04
$28.04 - $28.04
$28.04

Cabin Air Temperature Sensor 64 22 6 915 391 BMW 64226915391

in stock

Temperature Sensor Description: Temperature Sensor Part Number: 64 22 6 915 391 Condition: New OEM, Generic Packaging Other Info: Will...

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SKU: 1002024

$28.04 - $28.04
$28.04
$28.04 - $28.04
$28.04
Hazard Switch Assembly w/Traction Control Ebony/Black 14-17 Buick Regal 23177698-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Hazard Switch Assembly w/Traction Control Ebony/Black 14-17 Buick Regal 23177698

in stock

Hazard Switch Assembly, With Traction Control, Without Park Assist and Lane Departure, Ebony/Black Interior Color Description: Hazard Switch...

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SKU: 1820082

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
A/C Refrigerant Temperature Sensor Cruze Malibu Volt Regal LaCrosse SRX 15-51248-1
$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30

A/C Refrigerant Temperature Sensor Cruze Malibu Volt Regal LaCrosse SRX 15-51248

in stock

A/C Refrigerant Temperature Sensor Description: A/C Refrigerant Temperature Sensor Part Number: 13263325 Condition: New OEM, Removed Fro...

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SKU: 1440008

$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30
Door Handle LH Front Paragon Bronze GGX DTS CTS Deville Seville 20857749-1
$30.49 - $30.49
$30.49
$30.49 - $30.49
$30.49

Door Handle LH Front Paragon Bronze GGX DTS CTS Deville Seville 20857749

in stock

Left (Driver's Side) Front Door Handle With Key Hole Description: Left (Driver's Side) Front Door Handle With Key Hole Part Number: 208577...

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SKU: 1010277

$30.49 - $30.49
$30.49
$30.49 - $30.49
$30.49
Instrument Cluster Trim Panel Titanium 2010-13 Buick Allure LaCrosse 9072697-1
$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83

Instrument Cluster Trim Panel Titanium 2010-13 Buick Allure LaCrosse 9072697

Only 4 left!

Light Titanium Instrument Cluster Trim Panel Description: Light Titanium Instrument Cluster Trim Panel Part Number: 9072697 Condition: N...

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SKU: 1210286

$48.83 - $48.83
$48.83
$48.83 - $48.83
$48.83
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
Door Handle LH Left Front Black 41U Cadillac DTS CTS Deville Seville 20857749-1
$30.49 - $30.49
$30.49
$30.49 - $30.49
$30.49

Door Handle LH Left Front Black 41U Cadillac DTS CTS Deville Seville 20857749

Only 5 left!

Left (Driver's Side) Front Door Handle With Key Hole Description: Left (Driver's Side) Front Door Handle With Key Hole Part Number: 208577...

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SKU: 1010274

$30.49 - $30.49
$30.49
$30.49 - $30.49
$30.49
Overhead Console LH Reading/Dome Lamp 2014-16 Chevrolet Impala 22870507-1
$48.20 - $48.20
$48.20
$48.20 - $48.20
$48.20

Overhead Console LH Reading/Dome Lamp 2014-16 Chevrolet Impala 22870507

in stock

Overhead Console Left Side Reading/Dome Lamp Description: Overhead Console Left Side Reading/Dome Lamp Part Number: 22870507 Condition: ...

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SKU: 1410053

$48.20 - $48.20
$48.20
$48.20 - $48.20
$48.20
Rocker Panel Molding LH White Diamond 98U 2006-11 Buick Lucerne Super 25803413-1
$170.91 - $170.91
$170.91
$170.91 - $170.91
$170.91

Rocker Panel Molding LH White Diamond 98U 2006-11 Buick Lucerne Super 25803413

Only 3 left!

Left (Driver's Side) Rocker Panel Description: Left (Driver's Side) Rocker Panel Part Number: 25803413 Condition: New OEM, Generic Packa...

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SKU: 1010850

$170.91 - $170.91
$170.91
$170.91 - $170.91
$170.91
Headlamp Switch with Light Titanium Bezel 2010-13 Buick LaCrosse 20862471-1
$48.20 - $48.20
$48.20
$48.20 - $48.20
$48.20

Headlamp Switch with Light Titanium Bezel 2010-13 Buick LaCrosse 20862471

in stock

Light Titanium (Gray) Headlamp Switch, With GB Body Code Description: Light Titanium (Gray) Headlamp Switch, With GB Body Code Part Number...

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SKU: 1210058

$48.20 - $48.20
$48.20
$48.20 - $48.20
$48.20
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
New OEM GM Tow Hook LH Rear 2006-11 Buick Lucerne 25654472-1
$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52

New OEM GM Tow Hook LH Rear 2006-11 Buick Lucerne 25654472

Only 5 left!

Left (Driver's Side) Tow Hook Description: Left (Driver's Side) Tow Hook Part Number: 25654472 Condition: New OEM, Generic Packaging O...

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SKU: 1010320

$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52
Hazard Switch w/Traction Control/Park Assist Ebony/Black 2014-17 Regal 23177701-1
$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51

Hazard Switch w/Traction Control/Park Assist Ebony/Black 2014-17 Regal 23177701

in stock

Hazard Switch Assembly, With Traction Control and Park Assist, Without Lane Departure, Ebony/Black Interior Color Description: Hazard Switch...

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SKU: 1820081

$30.51 - $30.51
$30.51
$30.51 - $30.51
$30.51
Champion Boxed Diesel Glow Plug 10 Pack 1982-92 VW 1982-86 Volvo CH260 198-1
$42.69 - $42.69
$42.69
$42.69 - $42.69
$42.69

Champion Boxed Diesel Glow Plug 10 Pack 1982-92 VW 1982-86 Volvo CH260 198

in stock

10 Pack of Champion Boxed Diesel Glow Plugs Description: 10 Pack of Champion Boxed Diesel Glow Plugs Part Number: CH260 Condition: 10 Pa...

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SKU: 3020128

$42.69 - $42.69
$42.69
$42.69 - $42.69
$42.69
Multi-Function 12V Relay 3-Pack Deco 13500118 120002967-1
$14.64 - $14.64
$14.64
$14.64 - $14.64
$14.64

Multi-Function 12V Relay 3-Pack Deco 13500118 120002967

Only 5 left!

3-Pack of 12 Volt, Multi-Function Relays Description: 3-Pack of 12 Volt, Multi-Function Relays Part Number: 120002967, 13500118, 120002967...

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SKU: 1670416

$14.64 - $14.64
$14.64
$14.64 - $14.64
$14.64

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