★★★★★
Ordered an engine air filter and it fit perfectly. Great quality, fair price, and fast shipping. Will definitely order again!
JM
— Jason M., Texas
Shop / Driver
Engines · Transmissions · OEM Parts
Used engines & transmissions.
The right fit.
VIN-matched, inspected, and shipped to your door. All makes and models. Up to 1-year warranty included.
- Up to 1-Year Warranty
- Free Shipping USA
- Price in 5 Minutes
- All Makes & Models
Get Your Free Quote
Your quote in 5 minutes · 7 days a week
- Since 1998
- 90,000+ engines sold
- Up to 1-yr warranty
- Free US shipping
- VIN-matched
Popular engines & transmissions we sell
Tap yours to start your price request, or choose any make and model in the form. Every part is VIN-matched before it ships.
Brands We Cover
Parts for the brands you trust.
We supply engines, transmissions and OEM parts for a wide range of leading vehicle brands.
Acura
Alfa Romeo
Aston Martin
Audi
BMW
Bentley
Buick
Cadillac
Chevrolet
Chrysler
Dodge
Ferrari
Fiat
Ford
Freightliner
GMC
Genesis
Honda
Hyundai
Infiniti
SKODA
Jaguar
Jeep
Kia
Lamborghini
Land Rover
Lexus
Lincoln
Lotus
Maserati
Mazda
McLaren
Mercedes-Benz
Mini
Mitsubishi
Nissan
Porsche
Ram
Rolls-Royce
Smart
Subaru
Tesla
Toyota
Volkswagen
Volvo
Opel
Corvette
Scion
Reviews
What shops and drivers say.
★★★★
Great fit and fast shipping” The starter motor fit perfectly and works great. Smooth ordering process and reliable service. Highly recommended!
CR
Chris R., Ohio
Shop / Driver
★★★★★
GoWater pump arrived on time and fit just right. Great value for the money. Would definitely recommend!
KT
Kevin T., Florida
Shop / Driver
Why OG Auto Parts
Parts people, not a marketplace.
Every part that leaves our warehouse has been checked by someone who knows what a bad one looks like.
Quality-checked
Parts are inspected by people who know what to look for before anything ships.
Vehicle-matched
We confirm fit against the vehicle's details so the part lines up with your requirement.
Real specialists
Call and you get someone who can actually look at the part and talk you through it.
Trusted since 1998
More than two decades of supplying tested engines, transmissions and OEM components.
Our Focus
What we specialize in
Three core categories. Everything we sell is matched to your exact vehicle.
01
Engines
Complete used engines from our inventory, inspected and matched to your vehicle.
- VIN-matched to your vehicle
- Inspected before shipping
- Fitment support
02
Transmissions
Manual and automatic transmissions matched to your vehicle and verified before dispatch.
- Gearbox-specific matching
- Condition checked
- Guided selection
03
Other OEM Parts
Body, electrical and mechanical OEM components matched to your vehicle.
- Part-number lookups
- VIN cross-referencing
- Hard-to-find parts
Simple Process
From enquiry to installed, in four steps.
The order matters — each step is what makes the next one reliable.
01
Tell Us What You Need
Submit your vehicle and part details through the quote form.
02
We Match & Verify
Our team pulls the exact match from our inventory and confirms it against your VIN or part number.
03
Quality Check & Test
Every part is inspected and tested before approval to ship.
04
Fast, Insured Shipping
The part ships with tracking and appropriate freight/shipping protection.
The Business
A warehouse, a team, and a phone that gets answered.
OG Auto Parts has been selling engines, transmissions, and OEM components since 1998. When you call, you get someone who can actually look at the part, confirm the fit, and guide you from quote to delivery.
Est. 1998Decades of hands-on automotive parts experience.
Our Own InventoryTested parts matched to your vehicle.
Tested Before ShippingParts checked before they are approved to ship.
Large InventoryA broad selection of automotive parts.
Experienced TeamReal people ready to help.
Parts & OperationsSupport from quote to delivery.
EnginesOptions for a wide range of vehicles.
TransmissionsAutomatic and manual assemblies.
OEM ComponentsParts matched to your requirements.
Large InventoryA broad selection of automotive parts.
Experienced TeamReal people ready to help.
Parts & OperationsSupport from quote to delivery.
EnginesOptions for a wide range of vehicles.
TransmissionsAutomatic and manual assemblies.
OEM ComponentsParts matched to your requirements.
Swipe to explore
Not sure which part you need?
Tell us the symptom or send your VIN — our parts specialists will confirm the exact fit before you order anything.
FAQ
Questions we get before every order.
All parts carry a warranty of up to 12 months. Confirm the warranty term for your specific part when you request your quote.
We match the part against your vehicle's make, model, year and, where possible, the VIN or original part number before it ships.
Timing depends on availability and location. We'll give you a realistic timeframe when we confirm your quote.
Contact us right away with your order details and photos. We'll work with you to resolve it, including a replacement or appropriate remedy.
Yes, we ship across the country with tracking and appropriate freight/shipping protection.