The Donaldson Primary Radial Seal Air Filter is a top-of-the-line air filter designed to provide superior performance and protection for heavy duty engines. With a radial seal design and a length of 470.40 mm, this filter is perfectly shaped to fit your Caterpillar engine and provide maximum filtration efficiency. Made from high-quality cellulose filter media, this air filter is designed to perform across a wide range of heavy duty engine applications. The cellulose media is highly efficient and provides excellent filtration, ensuring that your engine stays clean and protected from harmful contaminants. In addition to its superior filtration capabilities, the air filter is also highly corrosion resistant. This means that it can withstand harsh environments and extreme temperatures, ensuring that it lasts longer and performs better than other air filters on the market. The filter also features a unique Pleatloc feature, which ensures uniform pleat spacing and helps to maintain the filter's shape and performance over time. This feature helps to prevent pleat bunching and ensures that the filter maintains its shape and efficiency for longer periods of time. Overall, the air filter is an excellent choice for anyone looking for a high-quality air filter that provides superior performance and protection for their heavy duty engine. With its advanced filtration technology, corrosion resistance, and unique Pleatloc feature, this air filter is sure to provide reliable and long-lasting performance . FleetPride is your First Click in Heavy Duty®.