Aluminum Water Pump Pulley Kit - M5x

Ditch that brittle stock plastic pulley and upgrade to precision-machined performance. This aluminum water pump pulley kit replaces your factory pulley with a lightweight, high-strength billet aluminum version—designed to handle high RPMs and long hauls without cracking under pressure. Included in the kit is a brand new serpentine belt to complete the job right the first time. Whether you're refreshing a tired setup or prepping for track days, this kit is a direct bolt-on solution that improves durability, belt grip, and under-hood aesthetics. Built for enthusiasts who don't settle for stock.

Kit Available for M50, M52, S50, S52, M52tu, M54