Image is for illustration purposes only. Actual part may vary.
P550750
The Donaldson P550750 is a heavy-duty, cartridge-style lube (oil) filter designed to keep your engine oil clean by capturing microscopic contaminants that can cause engine damage. It uses cellulose filter media to provide a reliable balance of filtration efficiency and oil flow, which is critical for cold starts and maintaining proper oil pressure. Over time, oil filters become loaded with dirt and debris, so replacing them at regular service intervals is essential to protect your engine bearings, turbocharger, and other lubricated components from premature wear. This cartridge-style filter is typically installed inside a permanent housing, so you'll open the housing, swap out the old cartridge, and replace any sealing O-rings when you change your oil.
While specifically listed for AG Chem sprayers with Cummins VT903/V903 engines, the extensive cross-reference list indicates this cartridge fits a very wide range of older heavy-duty trucks, construction equipment, and agricultural machinery with compatible lube filter housings (e.g., many Case IH, Ford, Kenworth, Mack, Peterbilt, and Volvo applications). Always verify dimensions and housing compatibility with your specific engine model.
Part Number: P550750
LUBE FILTER, CARTRIDGE
Category: Donaldson- F
Dealer: Knox Trailers
Compatibility, alternatives, and more
