GM 6.6L Duramax Valve Cover Bolt Insulator | DEC011638

Bostech / BTPower warrants each new & remanufactured part to be free from defects and material workmanship under normal use and service.  Bostech will repair or replace, at its option, any such part that is considered warranty within thirteen (13) months/Unlimited mileage after the sale.  Products that have been returned within 30 days of purchase and have been determined by Bostech as valid warranty will have the option for full credit of the product. All parts must be returned for warranty evaluation within 30 days of failure and requires a Return Merchandise Authorization (RMA) Number by contacting ForDiesels (855-558-1235) and initiating a warranty claim prior to return. ForDiesels.com will need the Order Number and Vehicle Information (VIN #, Year, Make, Model, Eng) to begin the claim process. Replacement parts will be sent using 2 Day shipping (excluding weekends).