New and used engines & transmissions to your doorstep.


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Certified Parts

Free Shipping within 3-5 business days.

12-Month Return and Replacement Warranty

Car Part Headquarters

Car Part Headquarters, LLC is one of the largest suppliers of used engines and used transmissions across the United States. Our company offers unparalleled access to a huge inventory of quality used auto parts for most of the car and truck models at an affordable price. All our used motors and used transmissions are as reliable as the new ones & offer maximum performance & efficiency. We are very particular about the quality of our products.

car part headquarters


Engines Sold


Satisfied Customers

Over 40k

Succesful Delivery


Engines Sold



car part headquarters



Finding the right used engines and transmissions for sale becomes a faraway thought, given the specificity of your requirements. From choosing the right make and model to narrowing down the options to the type of engine and ensuring the available alternative fits your quality expectations, it becomes a never-ending nightmare.

Explore our lot of high-quality, ever-lasting used engines today and put an end to it.

car part headquarters


We are the US-based leading distributor of quality used transmissions, you will get the right transmission compatible with your vehicle at the best price. Buy used manual transmission, automatic transmission, or CVT for your car, truck, van, or SUV from our massive inventory.


Used Engine Or Transmission ?

What are you waiting for? Request a free quote today!


Choose Us?

Car Part Headquarters, LLC helps you fix your car troubles with high-functioning certified used engines and transmissions without burning a hole in your pockets. Whether your problem is an overheating engine or a gearbox that’s close to dying we’ll provide you with the best possible solution.

car part headquarters

Affordable Pricing & Great Deals

The primary motive for buying a used engine is to save some dollars. We make it possible by offering ASE-certified used engines & transmissions for affordable prices.

Product Warranty

What’s better than an affordable used engine?
A *warranty-covered* affordable used engine. We make it possible for all our customers to enjoy a 12-month replacement and return guarantee along with Lifetime Support by ASE certified experts.

Free & Quick Delivery

Free and Quick—that’s how we define our shipping process. So, order from any corner of the USA or Canada from a residential or business address and we will ship your order in 3-5 business days.

100% Quality Assurance

Find every make & model of engines and transmissions for sale in our inventory.
Whether you’re into classics, or an in-demand variant, trusts us to fulfill your request with the help of our team and resources across the USA.

Car Part Headquarters


Unlocking Clarity (Your FAQs Answered!)

To guarantee that every product delivered by us meets quality requirements, all our used car components are 100 percent
certified and put through a rigorous testing and inspection process by automotive experts. 

What is the process for making a purchase?

You can search your part on our website and place the order. For any questions related to the purchase, you can call us at
(830) 999-7278 . We accept all major credit cards such as Visa, MasterCard, American Express, and Discover Card, Zelle Transfer, ACH as well as cashier's checks and money orders by mail. Please keep in mind that cashier's checks and money orders take longer to obtain and that after we receive the cashier's check or money order, we will contact you to verify your order and ship it out as per our delivery commitment.

Is it possible for me to come and collect my auto parts in person?

Unfortunately, we are unable to offer a pickup option as our inventory is dispersed from multiple supplier locations. However, all orders placed within the United States come with free shipping.

Where are you located?

Experience unparalleled service and speedy delivery with our 35+ distribution centers nationwide. Find your engine today and get back on the road with confidence!
Ready to deliver excellence.

What is the difference between remanufactured engines and rebuilt engines?

Remanufactured engines have ALL brand new internal parts plus all aftermarket and OEM upgrades and updates whereas Rebuilt engines are just reconditioning a used engine and have many used parts on them.

What components are included with a used engine when I place an order?

The engine assembly that will be received will include the main internal parts, such as the block, head, piston, camshaft, and crankshaft, as well as other components. Additional parts, such as change-over accessories and items that may show wear and tear, may also be included but will not be covered by warranty and will not be charged for.

What will be included with my used engine?

When purchasing a used engine, you will receive a fully assembled engine, which includes all essential components except for the AC compressor, starter, alternator, and power steering pump. Any additional parts left on the engine block are included for your convenience.




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Still have Questions?

Please do not hesitate to call and our customer service representatives will be happy to assist you. Get in touch with us anytime. Our phone number: