This is a stainless steel replacement idler pulley for your supercharger system Please select the vehicle you have so we can properly set your idler up.

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Today's drive belts, particularly the ribbed belts, are supposed to last for years. You even know people who've never had to change them. Why do you have repeated belt problems?

The answer is that somethings wrong with your belt's drive. Don't just put on a new belt, grumble and wait for the next belt failure. Find out why your car has an appetite for drive belts. Then make a more durable repair.

First, inspect all of the belts and each of the pulleys. Twist over each belt and check it thoroughly. On a simple V-belt, look at the sidewalls, and if they're glazed, that's a sign of slippage–typically caused by improper adjustment, but possibly a sign of a bad pulley, too. On a multi-ribbed belt look carefully for missing chunks of rubber. Specifically check for gaps at least a half-inch or longer on adjacent ribs.

If the belt hasn't lasted long, the reason will be found during inspection of the pulleys. There are lots of reasons why some cars eat belts.