Donaldson P129396 Engine Air Filter

Engine Air Filter Overview

Donaldson P129396 is a primary engine air filter built in the Konepac line for heavy-duty intake service. It uses cellulose media and a cone-style design to support efficient airflow and high filtration efficiency.

Key Features

• Primary engine air filter for intake system service
• Konepac line construction for Donaldson filtration applications
• Cellulose media with 99.9 efficiency tested to ISO 5011
• Cone style with 176.53 mm inner diameter and 190.5 mm minor OD
• Designed for Kenworth K100 and Kenworth K100E fitment

Detailed Description

This Donaldson engine air filter, part number P129396, is a primary cone filter intended for air intake filtration in heavy-duty applications. The Konepac EBA family uses cellulose media and an ISO 5011 efficiency rating of 99.9, giving buyers a clear specification for filtration performance. For Kenworth K100 and Kenworth K100E applications, P129396 provides a direct replacement option where the listed dimensions and primary filter style match the original setup. The part number P129396 is also useful when cross-checking service records or sourcing the correct Donaldson replacement.

What It Is Used For

• Replacing a worn or restricted engine air filter
• Restoring intake filtration performance
• Reducing dirt ingestion into the engine air stream
• Addressing airflow loss caused by a loaded filter element

Installation Notes and Tips

Verify the cone style, inner diameter, outer diameter, and overall length against the existing filter before ordering. Confirm the application by matching the vehicle listing and the part number P129396. For Kenworth K100 and K100E service, compare the filter seat and housing dimensions to ensure proper fitment.

Quality Assurance

Donaldson filtration products are specified with published efficiency testing standards, and this filter is rated to ISO 5011 for verified performance data. The Konepac product line identifies the filter family used for this application.