Like an all-star offensive lineman, the Baldwin RS4642 Air Filter blocks dirt before it can sack your engine. ---Heavy-Duty Radial Seal Gasket and End Cap will not degrade under temperature extremes, changes in restriction or vibration ---Flexible Outer Edges makes for easy installation and removal in housings with minimal clearance ---PermaPleat Construction provides even pleat spacing to prevent bunching and prolong element life ---Spiral Glue Binding provides added pleat stability for peak media effectiveness Application Summary: Volvo Trucks Cross Reference: Volvo 20411815, Donaldson P605551.