Aftermarket Serpentine Belt Idler Pulley For Chevy GMC 4.3L 5.0L 5.7L V8 - Replaces 38007, 89224, 45973 (Lifetime Warranty)

If your Chevy or GMC truck or SUV with a 4.3L, 5.0L, or 5.7L V8 has a squeaky or wobbly belt pulley, this is the fix.

It's an aftermarket serpentine belt idler pulley, part number 38007.

Also replaces 89224, 45973, 231018, 49218, 419-211, 89204, and 49368.

Made from thermoplastic, direct replacement fit.

This is the idler type pulley (not the tensioner assembly itself, just the pulley).

Comes with a LIFETIME limited warranty and good for 50,000 miles.

Belt type is serpentine.

No custom bundle, not modified - just a solid replacement part.

Squeaky belts are often caused by a bad idler pulley bearing.

Swap this in and get rid of that annoying noise.

Simple fix, big improvement.