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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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Fuel Cap 2011 Chevy Silverado GMC Sierra 2500 3500 Diesel GT333 20804100-1
$14.64 - $14.64
$14.64
$14.64 - $14.64
$14.64

Fuel Cap 2011 Chevy Silverado GMC Sierra 2500 3500 Diesel GT333 20804100

in stock

Diesel Fuel Cap Description: Diesel Fuel Cap Part Number: 20804100 Condition: New OEM, Generic Packaging Other Info: WIth Duel Fuel Ta...

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SKU: 1030039

$14.64 - $14.64
$14.64
$14.64 - $14.64
$14.64
New OEM GM Active Safety Communication Module 84737638-1
$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46

New OEM GM Active Safety Communication Module 84737638

Only 4 left!

Active Safety Communication Module Description: Active Safety Communication Module Part Number: 84451866, 84737638, 84559185 Condition: ...

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SKU: 2020261

$55.46 - $55.46
$55.46
$55.46 - $55.46
$55.46
Door Molding RH Rear Tiara Tan 97U 642R & Chrome 2006-11 Cadillac DTS 20981252-1
$47.49 - $47.49
$47.49
$47.49 - $47.49
$47.49

Door Molding RH Rear Tiara Tan 97U 642R & Chrome 2006-11 Cadillac DTS 20981252

Only 5 left!

Right (Passenger's Side) Front Door Molding w/ Chrome Insert Description: Right (Passenger's Side) Front Door Molding w/ Chrome Insert Par...

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SKU: 1010457

$47.49 - $47.49
$47.49
$47.49 - $47.49
$47.49
OEM GM Front Floor Console Trim Plate Corsair 2016-18 Chevy Malibu 84079454-1
$156.65 - $156.65
$156.65
$156.65 - $156.65
$156.65

OEM GM Front Floor Console Trim Plate Corsair 2016-18 Chevy Malibu 84079454

in stock

Front Floor Console Trim Plate Corsair, With Traction Control Switch, With Indicator, With Mat Description: Front Floor Console Trim Plate C...

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SKU: 2000037

$156.65 - $156.65
$156.65
$156.65 - $156.65
$156.65
New OEM 13306941 GM Relay Main Universal 4-Terminal Relay-1
$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99

New OEM 13306941 GM Relay Main Universal 4-Terminal Relay

in stock

One (1) ACDelco GM Original Equipment Multi-Purpose Automotive Relay Description: One (1) ACDelco GM Original Equipment Multi-Purpose Automo...

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SKU: 1270304

$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99
Front Outside Door Handle Non-Lighted Abalone White 2015-19 ATS CTS XTS 13598619-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Outside Door Handle Non-Lighted Abalone White 2015-19 ATS CTS XTS 13598619

Only 2 left!

Front Outside Door Handle Non-Lighted, Left or Right Side, Painted Abalone White Pearl (140X, G1W, WA140X), With Chrome Description: Front O...

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SKU: 2020170

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
Front Door Handle LH/RH Chrome/Summit White 16-17 Malibu Volt 17 Acadia 13511131-1
$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93

Front Door Handle LH/RH Chrome/Summit White 16-17 Malibu Volt 17 Acadia 13511131

Only 3 left!

Door Handle (One), Left or Right Front, Painted Summit White With Chrome, With Passive Entry Option Description: Door Handle (One), Left or ...

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SKU: 1700150

$54.93 - $54.93
$54.93
$54.93 - $54.93
$54.93
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
OEM GM Seat Heat Switch RH 2016-18 Chevy Cruze Volt 13409520-1
$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20

OEM GM Seat Heat Switch RH 2016-18 Chevy Cruze Volt 13409520

in stock

Seat Heat Switch, Right Hand (Passenger) Side Description: Seat Heat Switch, Right Hand (Passenger) Side Part Number: 13409520 Condition...

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SKU: 1730053

$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20
Shark Fin Antenna Cover Crystal Claret 89U 45911 Buick Lucerne 25840143 25840137-1
$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52

Shark Fin Antenna Cover Crystal Claret 89U 45911 Buick Lucerne 25840143 25840137

Only 2 left!

Crystal Claret Red (89U RPO Code, 505Q Paint Code) "Shark Fin" Style Antenna Cover (Cover ONLY) Description: Crystal Claret Red (89U RPO Cod...

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SKU: 1010138

$19.52 - $19.52
$19.52
$19.52 - $19.52
$19.52
Antenna Assembly UE1 U2K Limited Addiction Red 2017-19 XT5 Bolt EV 23211291-1
$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41

Antenna Assembly UE1 U2K Limited Addiction Red 2017-19 XT5 Bolt EV 23211291

in stock

Antenna Assembly, Options UE1 or U2K, Painted Limited Addiction Red Description: Antenna Assembly, Options UE1 or U2K, Painted Limited Addic...

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SKU: 1970002

$24.41 - $24.41
$24.41
$24.41 - $24.41
$24.41
Front Door Check Link Left or Right 2010-14 Wagon 2008-14 Cadillac CTS 15269871-1
$27.18 - $27.18
$27.18
$27.18 - $27.18
$27.18

Front Door Check Link Left or Right 2010-14 Wagon 2008-14 Cadillac CTS 15269871

in stock

New OEM GM 15269871 Front Door Check Link, fits Left or Right Front Doors on 2008-14 Cadillac CTS Sedan or 2010-14 Cadillac CTS Wagon. Descri...

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SKU: 1260400

$27.18 - $27.18
$27.18
$27.18 - $27.18
$27.18
New OEM Rear Window Wiper Motor GM Original Equipment 45885 GMC Acadia 25864152-1
$67.99 - $67.99
$67.99
$67.99 - $67.99
$67.99

New OEM Rear Window Wiper Motor GM Original Equipment 45885 GMC Acadia 25864152

in stock

Rear Window Wiper Motor Description: Rear Window Wiper Motor Part Number: 25864152, 25800777 Condition: New OEM, Generic Packaging Oth...

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SKU: 1870048

$67.99 - $67.99
$67.99
$67.99 - $67.99
$67.99
OEM GM Hi Power Starter Relays 3-Pack 4 Blade 2018-19 Equinox Terrain 13455281-1
$17.25 - $17.25
$17.25
$17.25 - $17.25
$17.25

OEM GM Hi Power Starter Relays 3-Pack 4 Blade 2018-19 Equinox Terrain 13455281

in stock

Hi Power Starter Relays, 3-Pack, 4 Blade Terminal Description: Hi Power Starter Relays, 3-Pack, 4 Blade Terminal Part Number: 13455281, 3 PACK ...

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SKU: 2000223

$17.25 - $17.25
$17.25
$17.25 - $17.25
$17.25
New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 84132276-1
$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25

New OEM GM Park Assist Disable Switch 2016-18 Cadillac CT6 84132276

in stock

Park Assist Disable Switch Description: Park Assist Disable Switch Part Number: 84132276, 84159991 Condition: New OEM, Generic Packaging...

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SKU: 1920027

$73.25 - $73.25
$73.25
$73.25 - $73.25
$73.25
Front View Camera 2014-15 Cadillac ATS 2014 CTS Sedan 2014-17 XTS 23171756-1
$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14

Front View Camera 2014-15 Cadillac ATS 2014 CTS Sedan 2014-17 XTS 23171756

in stock

Front View Camera, Without Collision Warning Option Description: Front View Camera, Without Collision Warning Option Part Number: 23356778...

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SKU: 1320009

$183.14 - $183.14
$183.14
$183.14 - $183.14
$183.14
Rear Engine Mounting Bracket Mount 2009-11 Buick Lucerne 3.9L 25963968-1
$42.70 - $42.70
$42.70
$42.70 - $42.70
$42.70

Rear Engine Mounting Bracket Mount 2009-11 Buick Lucerne 3.9L 25963968

Only 1 left!

Rear Engine Mount Bracket Description: Rear Engine Mount Bracket Part Number: 25963968 Condition: New OEM, Generic Packaging Other Inf...

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SKU: 1010961

$42.70 - $42.70
$42.70
$42.70 - $42.70
$42.70
Cupholder Assembly Ebony Lineate w/Mat 2018 Cadillac XTS-1
$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67

Cupholder Assembly Ebony Lineate w/Mat 2018 Cadillac XTS

Only 1 left!

Cupholder Assembly, Ebony Lineate, With Mat Description: Cupholder Assembly, Ebony Lineate, With Mat Part Number: 2018 XTS EBONY LINEATE ...

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SKU: 1900052

$97.67 - $97.67
$97.67
$97.67 - $97.67
$97.67
OEM Turbo Cooler Feed Fittings 2016-18 CT6 3.0L Cruze 1.4L Malibu 1.5L 12676405-1
$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20

OEM Turbo Cooler Feed Fittings 2016-18 CT6 3.0L Cruze 1.4L Malibu 1.5L 12676405

in stock

Turbo Cooler Feed Fittings Description: Turbo Cooler Feed Fittings Part Number: 12676405 Condition: New OEM, Generic Packaging Other I...

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SKU: 1920040

$12.20 - $12.20
$12.20
$12.20 - $12.20
$12.20
Rear Armrest Cover Left Black/Med Titanium Stitch 2014-19 Cadillac CTS 84110634-1
$99.83 - $99.83
$99.83
$99.83 - $99.83
$99.83

Rear Armrest Cover Left Black/Med Titanium Stitch 2014-19 Cadillac CTS 84110634

Only 3 left!

Rear Armrest Cover, Left Hand (Driver's Side), Black/Med Titanium Stitch (H2U,4AA) Description: Rear Armrest Cover, Left Hand (Driver's Side...

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SKU: 2021007

$99.83 - $99.83
$99.83
$99.83 - $99.83
$99.83
Console Illumination Lamp Blue Ice Light LH Rear 2010-13 Buick LaCrosse 9018792-1
$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30

Console Illumination Lamp Blue Ice Light LH Rear 2010-13 Buick LaCrosse 9018792

in stock

Left Hand Rear, Console Illumination Lamp, Blue, Blue Ice Light, 8.5" Tip To Tip, Curved Description: Left Hand Rear, Console Illumination L...

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SKU: 1210364

$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30
OEM Door Lock Switch Lock RH Black 2015-17 Escalade 14-17 XTS 14-16 SS 23122516-1
$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30

OEM Door Lock Switch Lock RH Black 2015-17 Escalade 14-17 XTS 14-16 SS 23122516

in stock

Door Lock Switch, Right Hand Front, Black Description: Door Lock Switch, Right Hand Front, Black Part Number: 23122516 Condition: New OE...

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SKU: 1700307

$18.30 - $18.30
$18.30
$18.30 - $18.30
$18.30
Antenna Cover Evolution Blue Metallic 2009-13 Cadillac CTS Sedan 20919306-1
$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39

Antenna Cover Evolution Blue Metallic 2009-13 Cadillac CTS Sedan 20919306

in stock

Evolution Blue Metallic Painted Antenna Cover (Cover Only, Base Not Included) Description: Evolution Blue Metallic Painted Antenna Cover (Co...

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SKU: 1220299

$24.39 - $24.39
$24.39
$24.39 - $24.39
$24.39
Window Outer Belt Reveal Molding Front Right 2006-11 Buick Lucerne 15913530-1
$46.41 - $46.41
$46.41
$46.41 - $46.41
$46.41

Window Outer Belt Reveal Molding Front Right 2006-11 Buick Lucerne 15913530

Only 3 left!

Chrome Outer Belt Reveal Molding Description: Chrome Outer Belt Reveal Molding Part Number: 15913530 Condition: New OEM, Generic Packagi...

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SKU: 1010956

$46.41 - $46.41
$46.41
$46.41 - $46.41
$46.41

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