All Derale products are guaranteed to be free of defects due to workmanship and materials for a period of one year from the date of purchase by the retail customer. Liability is limited to product replacement only. No related item, freight, labor charges, or any other liabilities, including contingent liabilities, are included under this guarantee. Should a part fail, replacement of the defective item would occur upon inspection by Derale Products. This guarantee is null and void if, after inspection, a part shows evidence of abuse or improper installation. The customer assumes the freight costs on any returns.