Engine of the Day: 1999 GMC Sierra 2500 (4WD) 5.3L V8
When you’re driving a truck built for hard work and rugged reliability, you need an engine that can keep up. That’s why today’s Engine of the Day is the 1999 GMC Sierra 2500 (4WD) with the 5.3L V8—a proven performer that still gets the job done decades later.
The LS-Based Power You Can Trust
The 5.3L V8 Vortec (LM7) engine, introduced in 1999, was part of GM’s new LS family of small-block engines—and it quickly became a favorite. Delivering approximately 270 horsepower and 315 lb-ft of torque, the 5.3L Vortec strikes a balance between towing capability, daily drivability, and long-term dependability.
This engine is especially popular among truck enthusiasts for its potential in performance builds and swaps, thanks to its solid block, modern engineering, and broad parts availability.
Time for a Replacement? Here’s Why Gearhead Delivers:
Whether you’re restoring your Sierra for work or adventure, a remanufactured 5.3L V8 from Gearhead Engines brings your truck back to life with factory-fresh precision—and often better than original.
Gearhead Engines Benefits:
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OEM-quality or better components
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Extended warranty options
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Fast shipping and real engine experts on call
Rebuild the Power. Restart the Legacy.
A 1999 Sierra 2500 equipped with a 5.3L engine isn’t just a truck—it’s a legacy on four wheels. Don’t let a tired engine slow you down. With a remanufactured 5.3L V8 from Gearhead Engines, you can count on more horsepower, more reliability, and more years of dependable performance.
Ready to Order?
Contact us at 800-508-5999 or find your 1999 GMC Sierra 2500 5.3L V8 (4WD) replacement engine now on GearheadEngines.com.
Because at Gearhead, we don’t just rebuild—we restore confidence.
