ACDelco 38171 Professional Automatic Belt Tensioner and Pulley Assembly 088381454254 For use with rough-in valve

For use with rough-in valve model numbers R120

Cast aluminum housing unit for durability

solution temporarily neutralizes adhesives and then quickly evaporates allowing the stickers

All models available with voice tube or noise-canceling microphone

ACDelco 38171 Professional Automatic Belt Tensioner and Pulley Assembly 088381454254 For use with rough-in valveEnsures proper belt tension, alignment, and damping for superior performance Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability Provides full line coverage for domestic, import, and heavy duty applications The ACDelco Professional, premium aftermarket Automatic Belt Tensioner is