2003 GMC Sierra 3500 Performance Engines

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Keep Your 2003 GMC Sierra 3500 in Top Shape with a Quality Performance Engine

When it comes to maintaining or upgrading your 2003 GMC Sierra 3500, 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 Engine for your Sierra 3500. We currently carry a top Performance Engine in stock that is built to last. Whether you’re replacing a damaged Performance Engine or looking to upgrade, our selection for the 2003 GMC Sierra 3500 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 Oil Filters 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 3500 running smoothly and looking great.

Most Popular Performance Torque Converter for 2003 GMC Sierra 3500s

Enhance your 2003 GMC Sierra 3500 with this popular Performance Torque Converter we have in stock, for $921.99.

B & M – TRAVELER CONVERTER (Part No.70431)

TRAVELER CONVERTER

from

$921.99
Torque Converter – Traveler Converter with 2000 RPM Stall Speed APPLICATION: GM 4L80E The Traveler converter is intended for use in motorhomes, tow vehicles or other heavy duty applications where a slightly higher stall speed is helpful in getting the vehicle moving. The Traveler is also stronger than a stock converter and has been internally modified to provide about 300 rpm more stall speed for help in initial acceleration without sacrificing normal highway operation. It is manufactured to B&M’s exacting tolerances for long life. Provides slightly higher stall speed than stock to improve pulling power at low speeds. Application: GM 4L80E Please download the attached 4L80E torque converter installation tips. New Precision pump drive tube Heavy duty needle bearings Furnace brazed New sprag and rollers in stator Pressure tested Fully balanced.

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
  • New Sprag and Rollers In Stator
  • Pressure Tested
  • Fully Balanced
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FAQs for 2003 GMC Sierra 3500 Performance Engines

What’s the price range for 2003 GMC Sierra 3500 Performance Engines?

We currently have just one Performance Engines for the 2003 GMC Sierra 3500 in stock: TRAVELER CONVERTER and it costs $921.99.

Does Advance Auto Parts sell Performance Engines for other GMC Sierra 3500 model years?

Yes, we carry Performance Engines for 5 model years of GMC Sierra 3500s between 2001 and 2007. The following model years are the most popular for Performance Engine purchases: 2007, 2006, 2005, 2004, 2002, and 2001.

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

What types of Performance Engines do you sell for my 2003 GMC Sierra 3500?

We currently have just 1 Performance Engine in stock for a 2003 GMC Sierra 3500, and as of 6/2/26, it is a Performance Torque Converter.

Can I get help with 2003 GMC Sierra 3500 Performance Engine orders?

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

What is your return policy for GMC Sierra 3500 Performance Engines?

Advance Auto Parts keeps returns simple. For new GMC Sierra 3500 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.