2003 GMC Sierra 2500 Performance Transmissions

Keep Your 2003 GMC Sierra 2500 in Top Shape with a Quality Performance Transmission

When it comes to maintaining or upgrading your 2003 GMC Sierra 2500, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Performance Transmission for your Sierra 2500. We currently carry a top Performance Transmission in stock that is built to last. Whether you’re replacing a damaged Performance Transmission or looking to upgrade, our selection for the 2003 GMC Sierra 2500 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Performance Air Intake Kits and Programmers to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2003 GMC Sierra 2500 running smoothly and looking great.

Find Your Specific 2003 GMC Sierra 2500 Performance Transmissions

Looking for the perfect Performance Transmission for your 2003 GMC Sierra 2500? You’re in the right place. Below, you’ll find a Performance Transmission from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Transmissions, ensuring durability and a precise fit for your GMC Sierra 2500. Whether you’re driving a 2003 model or another popular model year like 1999, 2002, and 2004, we’ve got you covered. Purchasing Performance Transmissions from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Transmissions that fit your vehicle.

Most Popular Performance Engine and Transmission Mount for 2003 GMC Sierra 2500s

Enhance your 2003 GMC Sierra 2500 with this popular Performance Engine and Transmission Mount we have in stock, for $83.99.
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Energy Suspension – Transmission Mount (Part No.3.1129R)

Transmission Mount

from

$83.99
A true performance application component for cars, trucks, hot rods, racing/competition, yet popularly used for street vehicles when more horsepower is added. Soft running enough to absorb vibrations for street use yet rugged for racing use. Helps control torque on high performance vehicles. Maintains proper drive shaft angle to help prevent early wear and unexpected power train damage. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal transmission mounts. Resistant to under vehicle fluid oils, coolants and road contaminants. Made of Energy’s Hyper-Flex performance polyurethane and heavy duty hardware – for added durability.

Product Features:
  • Unique Safety Interlock Design
  • Impervious to Vehicle Oils and Chemicals
  • Strong Enough Too Handle High Performance
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FAQs for 2003 GMC Sierra 2500 Performance Transmissions

What’s the price range for 2003 GMC Sierra 2500 Performance Transmissions?

We currently have just one Performance Transmissions for the 2003 GMC Sierra 2500 in stock: Transmission Mount and it costs $83.99.

Does Advance Auto Parts sell Performance Transmissions for other GMC Sierra 2500 model years?

Yes, we carry Performance Transmissions for 2 model years of GMC Sierra 2500s between 1999 and 2004. The following model years are the most popular for Performance Transmission purchases: 2004, 2002, and 1999.

Does Advance Auto Parts sell Performance Transmissions for any other 2003 GMC models?

What types of Performance Transmissions do you sell for my 2003 GMC Sierra 2500?

We currently have just 1 Performance Transmission in stock for a 2003 GMC Sierra 2500, and as of 4/10/25, it is a Performance Engine and Transmission Mount.

Can I get help with 2003 GMC Sierra 2500 Performance Transmission orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Performance Transmissions and more.

What is your return policy for GMC Sierra 2500 Performance Transmissions?

Advance Auto Parts keeps returns simple. For new GMC Sierra 2500 Performance Transmissions and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.