About Us
At State Auto Parts, we live by one guiding principle: quality you can trust. For over two decades in the automotive parts business, we've built our reputation on delivering reliable, high-performance used engines and transmissions — backed by service, integrity and expertise.
Who We Are
We're a team of seasoned automotive professionals who understand what gets under the hood—and what you need to get your vehicle running again. We partner with 5,000+ certified suppliers nationwide, carefully source each core unit, inspect and test thoroughly, and stand behind our products with a full 2-year parts warranty.
What We Do
- Provide a wide range of used engines and transmissions for virtually every make, model and year.
- Streamline your ordering process with transparent inventory, expert support and no core charge or hidden fees (where applicable).
- Offer fast, reliable shipping across the continental U.S.—and while we've kept shipping free for many commercial addresses, we'll always work with you to ensure the delivery suits your needs.
Why Choose Us
- Proven experience: Our deep industry knowledge means fewer surprises and better outcomes.
- Comprehensive warranty: A true 2-year parts warranty gives you peace of mind.
- Nationwide sourcing: With thousands of certified suppliers, you gain access to high-quality parts that meet rigorous standards.
- Customer-first service: Whether you're a DIY-mechanic, rebuild shop, or professional installer, we speak your language and provide support that helps you succeed.
Our Commitment to You
We believe in doing it right the first time. That means transparent pricing, honest part descriptions, and a warranty that delivers when you need it. Our goal is to get you back on the road with confidence—no gimmicks, no guesswork, just dependable solutions.