When you need motor start and run capacitors, shop at Grainger. Find dry, electrolytic, nonpolarized start capacitor models in a wide range of sizes and MFD ratings. Round, molded cases can protect start capacitors from oil, dirt, moisture and grease, helping prolong maintenance-free performance and reduce replacement costs. Aluminum, hermetically sealed run capacitors can improve the electrical performance of motors, air conditioners and refrigeration equipment. Stock up at Grainger!