For 12 years, Weller Truck Parts has been servicing the community of Palos Heights. Weller Truck Parts is part of the Weller chain, but operates separately from Weller Auto Parts. The truck parts division specializes in installing and rebuilding transmissions and transfer cases, automatic transmissions, gear boxes, differentials, and driveshafts/end yokes and axels. It services both light and heavy-duty trucks.