Obviously, you didn't buy your Sierra 1500 HD Classic unless you understood you would be getting horsepower and great value both rolled up into one car, truck, or SUV. When your GMC Sierra 1500 HD Classic left the factory, it was destined for a person with discerning taste who values trusted quality in their automobile. The vehicle in your driveway symbolizes the best in class compared to all the other cars, trucks, and SUVs these days. Your GMC dealership isn't the only place to buy genuine or original equipment quality repair parts to fix your Sierra 1500 HD Classic.
Your engine can totally break down from lack of lubrication; resulting in intense friction and heat. The places where the most rotary movement occurs in your engine are where the crankshaft spins through the main bore, which is why you will find your GMC Sierra 1500 HD Classic main bearings there. These main bearings are made from a composite metal called Babbitt (iron, zinc, copper, aluminum, and more), because its gall-resistant surface makes it ideal to act as a buffer in the space between the crankshaft and main bore in your GMC Sierra 1500 HD Classic. Most bearings are cast with lubrication channels, so very little friction is created around the engine main bearings and they will last the life of the vehicle.
When your GMC requires a new replacement Main Bearing Set, there's no need to go somewhere besides the authority, Car Parts Discount. Don't let a Main Bearing Set repair bring about the demise of your car, truck, or SUV, and don't gamble with its condition by installing anything but the highest quality replacement parts. At Car Parts Discount, we have real customer support agents here with enough expertise to help you purchase the appropriate GMC Sierra 1500 HD Classic part for your needs. All the GMC Sierra 1500 HD Classic Main Bearing Set parts on this page will fit vehicles made in 2007. Choose your year below to refine your search.