How do i contact partsource customer service? PHONE: 1-866-807-1902. EMAIL: [email protected]. Please forward your comments to: PartSource Store Support Centre. 336 Courtland Ave. Vaughan, Ontario.Why choose partspartssource? PartsSource is the world’s largest provider of medical replacement products. Today we help more than 3,000 member hospitals and more than 15,000 clinical sites achieve sustainable savings and efficiencies.What kind of parts do old parts source sell? Old Parts Source stocks many mechanical parts for domestic American cars & trucks produced from the 1930s to the 1970s. We have a large selection of brake, steering, suspension, and internal engine components to help you get your classic ride back on the road.Why choose partsource sudbury? PartSource Sudbury offers a wide selection of car parts and accessories including brakes, steering and suspension, batteries, engine oil and filters. PartSource also provides in-store services like battery testing, key cutting and wiper installation