"Basic Warranty Coverages"
Warranty Coverage at a Glance* Warranty Limitations (Time or Mileage, Whichever Comes First Percent of Dealer's Repair Charge Paid By Owner
Time Vehicle Miles Parts Labor
Basic Coverage (except where specified below) 2 Years Unlimited No Charge No Charge
Optional Basic Coverage Warranty for C4500 & C5500 models 3 Years 36,000 No Charge No Charge
Vortec 8100 Gas engine 2 Years Unlimited No Charge No Charge
DURAMAX 6600 Diesel Engine 5 Years 100,000 $100.00 deductible per event after 36 months/36,000 miles
DURAMAX 7800 Diesel Engine 3 Years Unlimited No Charge No Charge
Caterpillar Diesel Engine (Caterpillar Warranty Applies)(1) 3 Years 150,000 or 3,600 Hours(1) No Charge No Charge for 2 Years
Allison 1000,2000,2400 Series (Allison Warranty Applies)(2) 3 Years Unlimited No Charge No Charge
Allison 3000 MD Series (Allison Warranty Applies) 2 Years Unlimited No Charge No Charge
Manual Transmission 2 Years Unlimited No Charge No Charge
Rear Axle 2 Years Unlimited No Charge No Charge
Frame Rails & Cross Members 5 Years Unlimited No Charge No Charge
Cab Corrosion (Perforation) 5 Years Unlimited No Charge No Charge
Emissions (Gasoline Engine) 5 Years 50,000 No Charge No Charge
Emissions (Diesel Engine) 5 Years 100,000 No Charge No Charge
Tires Tire Manufacturer Warranty Applies.
Click here to find out about GM Goodwrench.

*The warranty coverage applies until the maximum time or mileage, whichever comes first. The warranty remains with the vehicle regardless of ownership.
(1) Towing for engine related failures, will be covered for only the first 12 months. See Caterpillar Owners Manual for details.
(2)See Allison Owners Manual for details.

Please note: The following warranty information is intended as an overview only for on-highway truck application. For complete detailed warranty coverage and eligibilities refer to your GM Warranty Booklet and individual component supplier warranty information.

This truck and chassis warranty applies to C4500, C5500, C6500, C7500, C8500 and C8500 Tandem 2003 medium duty truck applications.

An important note about alterations and warranties: Vocational bodies are supplied to GMC medium duty truck dealers by outside suppliers independent of GMC. Installations or alterations to the original equipment vehicle (or chassis) as distributed by General Motors are not covered by the General Motors New Vehicle Limited Warranty. The special body company assembler, equipment installer, or upfitter is solely responsible for warranties on the body or equipment and any alterations (or any effect of alterations) to any of the parts, components, systems, or assemblies installed by GM.? GMC is not responsible for the safety or quality of design features, materials, or workmanship of any alterations by any such supplier.

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