Donaldson P550832 Engine Oil Filter

Engine Oil Filter Overview

The Donaldson P550832 is a spin-on, full-flow engine oil filter built for heavy-duty lube filtration. It uses cellulose media and a SAE J1858 efficiency test standard, with fitment coverage for Western Star 4900EX, 4900FA, and 4900SA applications.

Key Features

• Spin-on style for straightforward filter replacement.
• Full-flow design for continuous oil filtration.
• Cellulose media for standard-duty filtration performance.
• SAE J1858 efficiency testing for published filtration data.
• 13/16-16 UN thread size with a 3.66-inch outer diameter.

Detailed Description

Donaldson P550832 is an engine oil filter designed as a full-flow, spin-on service part for heavy-duty lubrication systems. The filter uses cellulose media and is specified with a 100 collapse burst rating, which supports structural integrity under operating pressure. Its published dimensions include a 3.03-inch gasket inner diameter, 3.39-inch gasket outer diameter, and 200 length specification. This part cross-references Baldwin B7 and Bosch BC1119 for the same application. For buyers servicing Western Star 4900EX, Western Star 4900FA, or Western Star 4900SA equipment, P550832 provides a direct replacement option for the listed lube filter applications.

Common Issues This Filter Can Address

• Restricted oil flow caused by a loaded or contaminated filter element.
• Reduced filtration performance from an overdue oil service interval.
• Incorrect thread or gasket match when replacing a worn filter.
• Pressure-related filter housing stress in demanding engine service.

Installation Notes and Tips

Verify thread size, gasket dimensions, and filter clearance before installation. Replace the filter during routine oil service and pre-fill only if the engine service procedure allows it. Confirm the application against the vehicle's service information for Western Star 4900EX, 4900FA, and 4900SA models.

Quality Assurance

Donaldson publishes this filter with SAE J1858 efficiency testing and a 100 collapse burst specification for documented performance characteristics. The P550832 is built to meet the dimensional and filtration requirements of the listed heavy-duty oil filter applications.