Baldwin RS5287 Engine Air Filter

Baldwin RS5287 Engine Air Filter for Kenworth and Peterbilt

The Baldwin RS5287 is an engine air filter built for Kenworth and Peterbilt trucks that need dependable intake filtration and correct fitment. It includes an inlet adapter and a furnished gasket, and it is specified for inside-out flow direction.

Key Features

• Part number: RS5287
• Engine air filter for Kenworth and Peterbilt trucks
• Includes inlet adapter
• Furnished gasket included
• Inside-out flow direction
• Height: 25 7/8 in. (657.35 mm)
• Outside diameter: 13 1/8 in. (333 mm)
• Inside diameters: 7 5/8 in. (193.8 mm) and 4 5/8 in. (117.6 mm)
• Replaces Donaldson P625128

Detailed Description

Built for heavy-duty air intake service, the Baldwin RS5287 supports clean airflow into the engine while matching the dimensional requirements listed for Kenworth and Peterbilt truck applications. The filter’s large 25 7/8-inch height and dual inside diameters help identify the correct housing interface, while the included inlet adapter and gasket simplify parts matching during service. The RS5287 is also related to Baldwin RS5287XP, the extreme performance nano version, for buyers comparing standard and upgraded filtration options. This part number, RS5287, is a direct replacement for Donaldson P625128.

What This Filter Helps Address

• Restricted airflow caused by a loaded or dirty engine air filter
• Dust and debris entering the intake system
• Incorrect filter sizing during Kenworth or Peterbilt service
• Air leaks at the filter seal area
• Replacement needs for Donaldson P625128 cross-reference applications

Installation Notes and Tips

Verify the housing dimensions before installation, especially the outside diameter, inside diameters, and overall height. Confirm the inside-out flow direction matches the air cleaner assembly on your Kenworth or Peterbilt truck. Use the furnished gasket during service and check that the inlet adapter seats properly before returning the vehicle to operation.

Quality Assurance

Baldwin filtration products are specified for heavy-duty service applications and are built to meet the dimensional and application requirements listed for this part. Confirm RS5287 against the existing filter and housing specifications before installation.