4x Engine Air Filter for Kenworth T680 T880 Peterbilt 567 579 Truck P621725

Product Overview

This aftermarket replacement engine air filter is intended for the listed Kenworth T680 and T880 and Peterbilt 567 and 579 truck applications and references part number P621725. An engine air filter helps trap airborne contaminants before air reaches the engine intake, supporting normal combustion and airflow. The listing covers four filters.

Key Features & Performance

• Engine air filters help remove dust, dirt, and other airborne contaminants from intake air before it enters the engine.
• Cross-references part number P621725 for comparison with the existing filter number.
• Supplied as a set of four filters for the listed Kenworth and Peterbilt truck applications.
• Suitable for routine intake air filter service when the current filters are restricted or due for replacement.

Fitment & Compatibility

• for Kenworth T680 applications
• for Kenworth T880 applications
• for Peterbilt 567 applications
• for Peterbilt 579 applications

Common Uses

• Replacing restricted, dirty, or damaged engine air filters
• Routine maintenance of the truck engine intake air system
• Servicing the intake air filtration system during scheduled filter changes

Technical Specifications

• Product Type: Engine Air Filter
• Part Number: P621725
• Model Application(s): Kenworth T680, Kenworth T880, Peterbilt 567, Peterbilt 579
• General Application: Truck engine intake air filtration
• Quantity: 4 filters

Frequently Asked Questions

Q: What does an engine air filter do? A: An engine air filter captures airborne contaminants from intake air before it reaches the engine, helping support normal airflow and combustion.

Q: How should fitment be verified? A: Compare the existing filter part number and the complete truck model designation against the information provided in this listing before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.