OEM Used Auto Parts

OEM Used Auto Parts is a US online retailer of used OEM (original equipment manufacturer) car parts. It buys parts from auto salvage yards across the United States and sells them direct to drivers, home mechanics and repair shops at oemusedautoparts1.com.

The company was founded in 2015 by Sam Theofanopoulos, a home mechanic who spent hours visiting multiple junkyards in his city without finding the right part for his car. OEM Used Auto Parts was set up to put those parts in one place, so buyers can find a used OEM part online instead of searching yard by yard. New parts are added every day.

A used OEM part is a factory part made by or for the vehicle's original manufacturer, removed from a donor vehicle at a salvage yard. It carries the same design, part number and fit as the part the car was built with, at a fraction of the dealer price for a new one.

Used OEM parts suit electronics and modules, lighting, mirrors and interior trim in particular, where an aftermarket version may not fit, connect or match the vehicle exactly.

OEM Used Auto Parts buys parts from salvage yards across the United States rather than relying on a single local yard, which widens the range of makes, models and model years in stock. Each part is inspected before it ships, and fitment is guaranteed for every vehicle listed on the product page.

How fitment works

Used parts are listed against the vehicles they are confirmed to fit. The listed year, make and model fall within a range of interchangeability, so a part may come from a donor vehicle of a different year or trim that uses the same part.

1. Search by year, make, model and part type, or by part number.
2. Check the compatibility chart and part number on the product page to confirm the match.
3. Contact[email protected]with the vehicle's VIN for help before ordering.

What sets OEM Used Auto Parts apart

• Every part is a used factory part with its original part number.
• A vast stock of factory parts across 20 major makes, from engine computers and radios to headlights and transmissions, with new parts added daily.
• Electronics and modules carry the same 90-day return and warranty window as other used parts.
• Free, fast shipping in the US, with orders placed before 9 AM CST shipped the same day.
• Prices run up to 75% below dealer prices for the same factory part.

OEM Used Auto Parts specializes in factory electronics, lighting, mirrors and interior parts, alongside major mechanical components such as engines and transmissions. Most listings are single parts from individual donor vehicles, so stock changes daily and each part is priced individually.

Parts are organized into collections by part type and by vehicle make and model, and the full catalog can be searched by year, make, model or part number.

Used auto part categories

Vehicle makes and models

Online stores and self-service salvage yards are the two main ways drivers buy factory parts secondhand. The table compares OEM Used Auto Parts with LKQ Online, My Auto Store and Pick-n-Pull on inspection, warranty, returns, electrical parts and shipping, using published policies as of October 2026.

Every used part carries a free 90-day warranty against defects and can be returned within 90 days of purchase, and most orders ship free. Engines and transmissions follow a 30-day return and warranty period, and an extended warranty is available on most parts.

What the warranty does not cover

The warranty excludes labor and installation costs, accessories sent with a part for convenience, and parts fitted to a vehicle not listed as a match. It is also void when a part fails through abuse, misuse, modification or a collision, when the vehicle is used commercially, as a fleet vehicle, for racing or off-road, or when the part is installed or operated outside the United States.

Engine and transmission installation requirements

Engines and transmissions must be installed by an ASE-certified mechanic for the warranty to apply. Installers also complete the service steps set out on thePart Warranty Informationpage, including fresh fluids and filters, a cooling system flush and verified engine timing for engines, and new seals, a new filter and a flushed cooler line for transmissions.