Baldwin PA2658 Engine Air Filter

Engine Air Filter Overview

Baldwin PA2658 is an engine air filter for GMC buses and trucks, with confirmed fitment for 1981-1988 GMC Astro. It is built with attached gaskets and an inside-out flow direction for the specified application.

Key Features

• Engine air filter for air intake service on GMC commercial applications.
• Attached gasket design for a secure sealing interface.
• Furnished gasket reference: G31-AF.
• Inside-out flow direction for the intended air path.
• Dimensions: 28 7/16 in. height, 9 1/2 in. outside diameter, 16-Jul in. inside diameter 1, and 6 1/2 in. inside diameter 2.

Detailed Description

PA2658 is a Baldwin engine air filter identified for GMC buses and trucks, including 1981-1988 GMC Astro applications. The filter uses attached gaskets and a specified furnished gasket reference to support proper sealing in the air intake system. Its listed dimensions and inside-out flow direction help match the correct service part to the intended housing. This part number, PA2658, also replaces GMC 25043235.

What It Is Used For

• Restricts airborne contaminants from entering the engine intake.
• Addresses restricted airflow caused by a loaded or damaged filter element.
• Helps restore proper intake sealing when the existing gasket is worn.
• Supports service replacement when the original filter is no longer usable.

Installation Notes and Tips

Verify housing dimensions and flow direction before installation. Confirm the furnished gasket reference and compare the existing filter to the listed measurements for proper service selection. For fitment, this part is listed for 1981-1988 GMC Astro, and the product data also identifies GMC buses and trucks as the broader application group. Part number PA2658 should be matched to the air cleaner assembly specified for the vehicle.

Quality Assurance

Baldwin is a recognized filtration brand with cataloged replacement data for commercial vehicle applications. PA2658 is cross-referenced to GMC 25043235 for the same application.