When it’s time to service or replace your power transfer unit, rely on ReTech. UMC ReTech’s premium line of ReTech remanufactured Power Transfer Unit products restores the performance of your 4WD or AWD system. We inspect 100% of the internal components in our ISO9001 USA based facility prior to remanufacturing. Each assembly is tested on a simulator that recreates actual driving conditions and analyzes performance, to ensure seamless engagement and leak free performance before it leaves the assembly line. You can buy with confidence because each unit is backed by UMC ReTech’s 12 month/12,000 mile warranty.