What is the 2003 chevy silverado 2500hd rear differential fluid capacity?

The 2003 Chevy Silverado 2500hd rear differential fluid capacity is 1.8 quarts. This part will need to be replaced eventually. You should change Your tires every 30,000 to 50,000 miles or so. You don't want to get into any wrecks on the road. Making sure Your tires are in the best condition is key to not crashing. You will come into problems with this part at some time or another. You could run into feathering issues. You could face cupping problems. Premature tire wear is something You could face. The part might become loose at some point. Make sure to inspect the tire pressure once a month. Check for holes, in case You run over something sharp.