Remanufactured Powertrain Components

IMPORTANT: SUMMER SALE ENDS IN 2 DAYS! USE PROMO CODE SUM102 AND SAVE $250.00 BEFORE THE OFFER EXPIRES!

Remanufactured 5.3L GM Engines by Fraser Engines

Premium-Grade Crate Engines with OEM-Level Precision and Industry-Leading Warranty

Fraser Engines proudly offers remanufactured 5.3L GM engines engineered for unmatched reliability, performance, and value. Our 5.3L engines—backed by rigorous remanufacturing standards and 5-Year Unlimited Mileage Warranties—are ideal for restoring power to Chevrolet and GMC vehicles across a wide range of applications.

Whether you’re driving a Silverado, Sierra, Suburban, Tahoe, Yukon, or any 5.3L-equipped GM platform, Fraser Engines delivers a zero-mile powertrain solution that’s built to exceed expectations.

✅ Applications for Our Remanufactured 5.3L GM Engines

Our remanufactured 5.3L engines cover the most popular GM platforms, including:

  • Chevrolet Silverado 1500 (1999–2023)

  • GMC Sierra 1500

  • Chevrolet Tahoe / GMC Yukon / Yukon XL

  • Chevrolet Suburban

  • Chevrolet Avalanche

  • Chevrolet Express / GMC Savana Vans

  • Chevy Trailblazer SS (for LS-based builds)

  • Cadillac Escalade & EXT

  • Compatible Gen III and Gen IV variants (LM7, L59, LM4, L33, LY5, LMG, LC9, LH6, L83)

We provide options tailored to Gen III (1999–2006) and Gen IV (2007–2020+) configurations with Active Fuel Management (AFM), Variable Valve Timing (VVT), and Direct Injection (DI) support, depending on year and trim.

What Sets Fraser Engines’ 5.3L Remanufactured Crate Engines Apart?

1. OEM Specifications – Exceeded:
Every 5.3L GM engine is fully disassembled, cleaned, machined, and rebuilt using top-tier components that meet or exceed original factory tolerances.

2. Technical Service Bulletin (TSB) Updates Applied:
We incorporate all relevant GM TSB updates into every engine build to correct known OEM design flaws—delivering better durability than a new factory engine.

3. Premium Internal Components:

  • Brand-new pistons and rings

  • Hardened valve seats and guides

  • High-durability camshafts and lifters

  • Updated AFM delete options (available)

  • New rod and main bearings, cam bearings

  • Fully remanufactured and pressure-tested cylinder heads

  • Precision-machined blocks and crankshafts

4. Customization Options Available:
We offer builds with:

  • AFM Delete or Retention

  • Performance Camshaft Upgrades

  • LS-Swap Ready Configurations

  • Heavy-Duty or Fleet Spec Builds

🛡️ Industry-Leading Warranty

Fraser Engines offers a 5-Year / Unlimited Mileage Warranty on most 5.3L remanufactured engine packages. We stand behind our work with full confidence, and we’re here with U.S.-based customer support if you ever need us.

📦 What’s Included in the Long Block?

  • Fully assembled long block (block, heads, camshaft, crankshaft, pistons, timing components, and valvetrain)

  • Gasket set for installation

  • Break-in guide and warranty registration instructions

  • Crating and round-trip shipping (core return included)

Need a complete drop-in engine or accessories like oil pans, valve covers, or sensors? Just ask—Fraser can customize your build to fit your needs.

🚚 Fast Nationwide Shipping & Core Return Program

  • Fraser Engines ships fast—typically within 2–3 business days if in stock. We also make it easy to return your core with prepaid labels and scheduled pickups.

💳 Financing Available

Buy now, pay later. Qualified buyers can take advantage of monthly payments as low as $95/month through our trusted financing partners.

🔎 Why Choose Fraser for Your 5.3L GM Engine?

  • 100% U.S.-Based Remanufacturing Facility

  • Decades of Experience in Engine Rebuilding

  • All Major TSB Updates Applied

  • Custom Build Options for Performance or Towing

  • Fast Shipping & Hassle-Free Core Returns

  • Stellar Google Reviews and Nationwide Customer Support