XCWoOshop 24V Wiper Controller Relay Assembly Unit 1768100050 1557042 Fits for Cat 320C E320B E320E E320D Warranty: 6 month, Replacement parts provide free the first 6 month. Wire and electrical parts are very easy to short circuit, which will lead to the damage of Parts. Please note testing and pay attention to the installation of the Parts. DELIVERY DETAILS:Please offer correct address and contact information. Full name, telephone number and your Physical Address ( home or office address) but not PO Box/APO/FPO address are necessary. Products will be carefully checked before shipping.