Clark Lube Filters are manufactured at our ISO-registered facility. All meet or exceed OEM specification and are installed as original equipment by the two major US engine builders – GE and EMD. All Clark filters incorporate the latest in pleated media technology and are resin treated in-house for consistent quality and superior performance. In addition to providing long life and high efficiency, the entire line is engineered to maximize the benefits of today's long life, high-dispersant oil additive technology. Independent testing is performed on a regular basis to confirm compliance with OEM standards. 


Clark Fuel Filters are available in 6.5" and 10" diameter configurations for both new and older locomotives. The 10" elements are available in a variety of lengths, efficiencies, capacities, and weights. One, two, and three-piece construction is available, however, user requirements will dictate optimal filter design. Clark's long life designs will help maximize change-out intervals even in cases of poor fuel quality or thermal degradation, and can be used in a variety of on-board and wayside applications.



Clark Air Filters are designed for a variety of engine, compressor, cooling and HVAC applications. Clark engine air intake filters include a full line of baggie and v-pack style elements. Bag filter products include both standard and long life in 2500 and 1200 CFM sizes. Clark pleated media air filters employ full-length hot melt spacing for extended service life



Clark produces a variety of elements, strainers and hardware items to fill out the widest line of locomotive filtration products in the industry. Clark developed the first locomotive spin-on turbo filter and adapter base and has engineered other customized locomotive products, including extended life spin-on fuel filters, strainers, cooling air and HVAC filters. As an innovator of filtration products for the railroad industry, Clark welcomes customer input on ways to improve and expand current and future product offerings.