Sun Air Parts is an aviation parts supplier based in Valencia, California, specializing in Pratt & Whitney piston engines and support products. Its inventory serves the R-985, R-1340, R-1830, R-2000, and R-2800 engine families, with parts, accessories, and PWA and TAM tools. The company states that it stocks all parts for R-985 and R-1340 engines, along with magnetos, carburetors, starters, fuel pumps, and governors. Customers can also purchase complete zero-time engines, and Sun Air Parts highlights its pricing on outright engines.

The company is a dealer for Covington, Aero Recip of Canada, and Tulsa Aircraft, and serves as the piston distributor for E.C.I. It also offers parts with FAA PMA approvals, including R-1340 cylinders, cams, gears, and other items. Its product range includes accessories, books and manuals, decals, gaskets and seals, memorabilia, and tools. Sun Air Parts provides online product shopping and a quick order form, as well as contact options for customers seeking parts or assistance.