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Got a squeak under the hood?

This replacement idler pulley might be your fix.

It's a simple pulley-only design (part number BT2-2) that replaces the OE part 88916640.
It's a solid aftermarket option that's built to fit a bunch of GM vehicles, including Chevy, Buick, and Cadillac, plus some Chryslers.

The best part?

It comes with a lifetime limited warranty, so you can install it and forget about it.
A straightforward replacement for a crucial part of your serpentine belt system.

5 out of 5