Choose Options Peterbilt & Kenworth 13" Donaldson Style Air Cleaner Housing Aftermarket MSRP: Now: $642.95 - $985.90 Was: Peterbilt & Kenworth 13" Donaldson Style Air Cleaner Housing Protect your engine from dirt with this Donaldson style air cleaner, featuring the K&N air filter to provide maximum airflow & efficiency that lasts. *Mounting Strap & Plate... MSRP: Now: $642.95 - $985.90 Was: Choose Options