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Turbo Rebuild Kit for 2002-2004 6.6L Duramax LB7 Chevrolet, GMC J1660301N

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Service Kit

Turbo Rebuild Kit for 2002-2004 6.6L Duramax LB7 Chevrolet, GMC J1660301N
  • Rotomaster Turbocharger Service Kits provide all the wear items required to remanufacture a turbocharger that has not sustained any damage to the internal components. Featuring only O.E.-grade, direct-fit components, this kit offers a great, cost-effective way to perform a turbo repair without replacing the entire assembly.
  • Allows for reuse of the center, compressor and turbine housings
  • Kit includes all serviceable components in one package for turbochargers without internal damage
  • Saves money by eliminating the need to replace the complete turbocharger assembly

Product Information

Rotomaster SKU J1660301N
Product Condition New
Package Contents Turbocharger Service Kit

2002-2004 Chevrolet Silverado 2500 HD 6.6L Calif

2002-2004 Chevrolet Silverado 3500 6.6L Calif.

2003-2004 Chevrolet C4 Series 6.6L Calif

2003-2004 Chevrolet C5 Series 6.6L Calif

2002-2004 GMC Sierra 2500 HD 6.6L Calif.

2002-2004 GMC Sierra 3500 6.6L Calif.

2003-2004 GMC C4 Series 6.6L

2003-2004 GMC C5 Series 6.6L Calif.


Turbo OE Part Number 97188454, 97720447, 97720749 
Manufacturer's Warranty 12 months from the date of purchase.
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8 hours 


Service Technician “B” or higher 


  1. Carefully inspect the air cleanerair cleaner duct, and the exhaust manifold for any foreign material. Objects left in these areas can severely damage the turbocharger immediately on engine startup. 
  2. Remove old gaskets and left-over material from the exhaust manifold, the oil supply line and oil drain line flanges. Inspect these surfaces for cracks, flatness, or erosion. 
  3. Inspect the oil supply and drain lines for degradation and cracking 
  4. Make sure that there are no kinks or any other type of restriction or clogging in either line. 

Click here for the complete guide

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