Products

6.6L Duramax Rebuild Kit VIN 2 2004.5–2005

$2,588.91

Part Number: RCC403AP

6.6L Duramax Rebuild Kit for VIN 2 (LLY 2004.5–2005)

This 6.6L Duramax rebuild kit includes multiple piston, ring, rod, and main bearing size options to match your diesel engine build.

✔ Includes: pistons, rings, bearings, cam bearings, and full gasket set

⚠️ Fitment Notice: Designed for VIN “2” (LLY) engines only. Confirm VIN code, engine type, and component sizes before ordering.

SKU: RCC403AP Categories: , Tag:

Description

Complete 6.6L Duramax rebuild kit for VIN 2 (LLY) engines including pistons, rings, bearings, and gaskets for full diesel engine restoration.

6.6L Duramax Rebuild Kit – VIN 2 (LLY 403 Diesel)

This 6.6L Duramax rebuild kit is designed for GM diesel engines with VIN code “2,” commonly found in 2004.5–2005 Silverado and Sierra HD trucks. Built for durability and precision, this kit supports complete engine rebuilds and long-term reliability.

The 6.6L Duramax (403ci) engine is known for strong torque, turbocharged performance, and heavy-duty capability. Proper component fitment and quality parts are essential for a reliable diesel engine rebuild.

What’s Included in This Rebuild Kit

  • Pistons (with pins)
  • Piston ring set
  • Rod bearing set
  • Main bearing set
  • Camshaft bearings
  • Thrust washer set
  • Complete gasket set
  • Lower gasket set

These components are designed to meet OE specifications for proper fit, oil control, and long service life in diesel applications. :contentReference[oaicite:1]{index=1}

Important Notes

  • Timing components NOT included
  • Expansion plug kit NOT included
  • Available in multiple piston, ring, and bearing sizes
  • VIN code “2” confirmation required for correct fitment

Engine Fitment

  • GM 6.6L Duramax Diesel (403ci)
  • VIN Code: “2” (8th digit)
  • Engine Code: LLY
  • Applications: Chevrolet Silverado HD, GMC Sierra HD

For best results, verify piston size, ring size, and bearing clearances before ordering to ensure compatibility with your engine build.

✔ Complete rebuild components
✔ Diesel-grade durability
✔ Trusted engine rebuild solutions

Additional information

Weight 43 lbs
Dimensions 24 × 14 × 8 in

Hours

Monday - Friday:
7:45 am - 4:30 pm

6.6L Duramax Rebuild Kit VIN 2 2004.5–2005
$2,588.91