JASPER has been remanufacturing quality products since 1942 and today we are the nation's largest remanufacturer of gas and diesel engines, transmissions, differentials, rear axle assemblies, air & fuel components, marine engines, sterndrives, performance engines, and electric motors. Replace or repairworn or defective mechanical or electrical parts and assemblies, included but limited to: Brushes, bearings, brush holders, gears, seals, impellers, mechanical switches, brakes, clutches, tachometers, fans, etc.