Customer Feedback

Having a car with a rare inter...

Mercury Cougar
Donald, Murietta, CA

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Quality: We've got the awards to prove it!

We've won the Bizrate Circle of Excellence award, three years in a row. Rated outstanding for quality, satisfaction, service, and on time delivery. 1A Auto selects the highest quality parts from the best manufacturers. Check our excellent ratings.

Pavel Gavrichev

IT Manager
Favorite car: 67 GTO

Top 10 Featured Products

Door Handle Exterior
Exterior Car and Truck Door Handles
Exhaust Manifold
1A Auto helps you get the right Exhaust Manifold for your vehicle
Weatherstripping
Highest quality new aftermarket weatherstripping parts
Power Door Lock Actuator
Built from the finest materials and to the highest quality control standards
Window Regulator
1A Auto carries most reliable and dependable long-lasting window regulators
Transfer Case Shift Motor
The highest quality 4x4 parts available.
Auto Carpet
High-quality replacement auto carpet made from the finest materials
Headlights & Parking Lights
Car & Truck Headlights, Fog Lights, and Auto Parking Lights
Windshield Washer Pump
The finest quality Windshield Washer Pumps.
Mirror - Side View
Manual and power mirrors for your car or truck

Welcome to 1A Auto Parts....

For more than 50 years, the Green family has been installing and using the same high quality auto parts that you'll find on our website. We actually use the parts we sell, and we've been selling online since 1999. Our company's mission is to make your car projects go smoothly, and to become your trusted source for auto parts. To this end, we treat our customers like family.

We employ USA based, knowledgeable support technicians. They'll help you through your project. We always make sure you get the right part. And we boast the industry's most generous returns policy. You won't find a company more passionate about auto parts than 1A Auto.

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Ask The Experts

Do you have a car repair or car parts question that you can't find the answer for? Ask the 1A Auto experts! Find interesting car info by searching our database of previously answered questions. It's a free source for entertaining and informative car wisdom!
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Nutts and Bolts Blog

Now 1A Auto has it's own blog, completely devoted to car parts and car repairs. Every month, our blog chief will choose a topic suggested by our readers or staff. Pick up repair tips, customization tips, and suggest new topics that interest you. Keep in touch with the 1A Auto community! View the Blog