Nampa Caldwell Karcher Auto Parts Address 2427 Caldwell Blvd.Nampa, ID 83651 Phone 208-467-1135 Store OwnersJeff Purcell Subscribe and Save Facebook Twitter Youtube SHOP ONLINE VISIT WEBSITE HoursMonday8AM–6PMTuesday8AM–6PMWednesday8AM–6PMThursday8AM–6PMFriday8AM–6PMSaturday8AM–6PMSunday10AM-5PM Monthly Savings