Welcome to HRT Auto shop
Your trusted source for
Engine & Transmission
Engine & Transmission
Whether you’re replacing a worn-out motor, upgrading your vehicle, or looking for a reliable transmission, we deliver high-performance auto parts right to your door.
Deals Of The Day
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Engines
2021 Ford Mustang GT – 5.0L Gen 3 Coyote Engine & MT82 6-Speed Manual Transmission Drivetrain
$6,999.00
$7,999.00In stock
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Engines
2016 Ford Mustang GT – 5.0L Gen 2 Coyote Engine & MT82 6-Speed Manual Transmission Pullout
$5,199.00
$5,500.00In stock
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Engines
2004 Hummer H2 – 6.0L LQ9 Engine & 4L65E 4x4 Automatic Transmission Pullout
$2,800.00
$3,000.00In stock
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Engines
1999 Pontiac Trans Am – 5.7L LS1 Engine & T-56 6-Speed Manual Transmission Pullout
$4,300.00
$5,000.00In stock
Top 20 Best Seller
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2012 Mazda 6 Engine
$1,200.00
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$1,200.00
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Select options This product has multiple variants. The options may be chosen on the product page Wishlist$1,200.00 – $2,050.00Price range: $1,200.00 through $2,050.00
Why Choose Us?
At HRT Auto, we understand that choosing the right engine or transmission is more than just a purchase, it’s an investment in reliability, performance, and peace of mind. Here’s why customers trust us:
Quality You Can Depend On
Every engine and transmission we sell is thoroughly inspected and tested at operating temperature to ensure performance, durability, and a leak-free guarantee.
Expertly Prepared
Our units come ready with a standalone wiring harness and pre-flashed PCM for smooth installation, saving you time, money, and frustration.
Wide Selection
From gas to diesel, stock replacements to performance builds, we carry a full range of engines and transmissions to fit your needs.
Customer Support That Cares
Our knowledgeable team is here to guide you through selection, shipping, and installation so you can hit the road with confidence.
Nationwide Shipping
No matter where you are, we deliver engines and transmissions directly to your door or shop, quickly and securely.
Complete Wiring Harness
Each engine comes with a new standalone wiring harness, eliminating the need for reworked or problematic wiring.
PCM Flashing
Our PCMs are flashed to remove error codes and configure electric fans, ensuring your engine works perfectly out of the box.
Tested for Reliability
Every engine is tested at operating temperature to guarantee a leak-free and reliable unit you can trust.
Ready to Go
Once tested and prepared, your engine is ready to install, letting you get on the road faster and with confidence.










































