Constructed of high-quality plastic for lasting durabilityAvailable in diverse styles, including threaded and lockingProtects braking system by providing a tight seal against the elementsA necessary safety item; prevents brake fluid from splashing and/or leakingDorman Products, Inc. is well-known as a leader in providing quality auto parts to the aftermarket. We've earned our reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line products primarily for the automotive aftermarket. Our prestigious position stems from a unique combination of application expertise, innovative product design, and breadth of product offerings, many of which are not conveniently or economically available elsewhere. At Dorman, we take pride in the quality of our products and in your satisfaction.