Arnold Motor Supply-Mason City

Mason City, IA

Address: 116 4th St NE Mason City, IA 50401 Phone: (641) 424-1551 Email:

In October of 1938 E.P. Arnold’s brother-in-law Keith Byers moved to Mason City to open a brand new Arnold Motor Supply to serve the automotive professionals in the community. Today this ASE Certified Parts Store carries on the long tradition of superior service and excellent machine shop quality.

Services Available at This Location
Full-Line Automotive Parts
Machine Shop
Paint & Body
Certified Parts Store
Store Hours
7:30 a.m. - 5:30 p.m. Mon-Fri
7:30 a.m. - 12:00 p.m. Sat
Closed on Sundays
Store Manager/Partner
Mark Buffington
Contact Mark

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Mason City Photos