
Built on Trust.
Driven by Quality.
AutoKingUSA is a leading nationwide supplier of high-quality used engines, transmissions, and auto parts. Since 2018, we've helped thousands of customers get back on the road with dependable parts and unmatched service.

Who We Are
Your Trusted Partner in
Used Auto Parts
We specialize in carefully inspected used engines, transmissions, and OEM replacement parts for a wide range of makes and models. Whether you're a repair shop, dealership, or vehicle owner, our mission is to deliver quality parts, fair prices, and reliable support you can count on.
Carefully Inspected
Every part is tested and inspected for performance and reliability.
Nationwide Delivery
Fast and secure shipping to all 50 states.
Quality Guarantee
Dependable parts backed by warranty for peace of mind.
Expert Support
Our team is here to help you find the right part, every time.
Brands We Serve
We inventory parts for all major brands — all in one place.
Why Choose Us
The AutoKingUSA Advantage
Great Deals While They Last
Save more on quality automotive parts without paying dealership prices. TheAutoKingUSA offers affordable used engines, used transmissions, and replacement parts that help you repair your vehicle while staying within budget.
Reliable Nationwide Delivery
We provide fast, secure, and dependable shipping across the United States. Your required engine, transmission, or auto part is packed carefully and delivered safely to your preferred location.
Benefits of Purchasing With Us
Every purchase is designed to deliver value. We focus on OEM and high-quality replacement parts that offer strong compatibility, long service life, and dependable performance.
Our Promise
Built on Trust,
Driven by Quality
Choosing AutoKingUSA means more than buying used parts — it means working with a team that values integrity, quality, and long-term relationships.
- Thoroughly tested and inspected parts
- Honest pricing with no hidden fees
- Professional support before and after your purchase
- 2-Year warranty on most engines & transmissions

Our Core Values
The standards that guide our business every day — from inventory selection to customer support
Quality First
Every used engine and transmission is carefully inspected and tested for dependable performance.
Customer Satisfaction
Your satisfaction matters. We respond quickly and work hard to ensure you get the right part.
Transparency
Clear product details, straightforward pricing, and no hidden surprises.
Reliability
Trusted by customers nationwide for reliable parts and consistent service.
Fast Service
Quick order processing and efficient nationwide shipping.
Fair Pricing
Competitive prices on quality parts without compromising value.
Ready to Find the Right Part?
Our team is here to help you get back on the road.
Mon – Sun · 8:30 AM – 4:30 PM PST