Industrial 88611 Heavy Duty Engine Air Filter Assembly

The Carquest 88611 CFI Primary Air Filter is a heavy-duty, round engine air filter designed for primary (outer) filtration in industrial diesel applications. It serves heavy-duty diesel engines in construction equipment, agricultural machinery, commercial trucks, mining equipment, and other industrial settings, removing dust, dirt, and airborne contaminants before they enter the intake. Key specifications include an overall length of 15-5/16 in (388.9 mm), outside diameter of 6-3/32 in (154.8 mm), inside diameter of 3-15/32 in (88.1 mm), bottom inside diameter of 3/4 in (19.1 mm), with an axial-seal design featuring fins and a gasket included. Manufactured in the USA by Carquest (CFI Filters), this not reusable primary air filter is accompanied by companion safety filters Carquest 87679, 88514, 88522 and common replacements Caterpillar 7E-0975, Donaldson P181056, Baldwin PA2379.