SIERRA has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand now encompasses the full SIERRA Marine product lines, along with renowned marine brands Shields and Moeller. Expanding its reach, SIERRA also includes the Prime Line brand for ATV/UTV and outdoor power equipment, along with additional aftermarket parts and accessories for land-based applications. Across land and sea markets, SIERRA is synonymous with time-proven aftermarket products, distinguished by quality and supported by industry-leading customer service. You can shop SIERRA products at SierraParts.com and at marine retailers throughout the United States.