List of O'Reilly Auto Parts Stores in Walnut, CA Outlet Note Regular Brands O'Reilly Auto Parts California Walnut Rating 4.7 based on 56 votes Products Belts Lighting Tires Battery Wheels Electrical Brakes Heating Engine Parts Filters Oil Fluids Waxes Washes NameAddressPhone Name/Address/Phone O'Reilly Auto Parts outlet - Walnut 18724 Amar Rd (626) 965-6012 People Also Viewed