P621725 Engine Air Filter for Kenworth T680 T880 Peterbilt 567 579 P63745

Product Overview

This aftermarket replacement engine air filter is intended for the listed Kenworth and Peterbilt truck applications and is supplied with reference numbers P621725 and P63745 for comparison. An engine air filter helps capture airborne contaminants before air reaches the engine intake, supporting normal combustion and airflow. It fits the Kenworth T680, T880, Peterbilt 567, and 579 models named in the title.

Key Features & Performance

• Engine air filter designed to trap dust, dirt, and debris from intake air
• Cross-references part numbers P621725 and P63745
• Intended for the listed Kenworth T680, T880, Peterbilt 567, and 579 truck applications
• Used when servicing or replacing the corresponding filter during intake maintenance

Fitment & Compatibility

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

Common Uses

• Replacing a clogged, dirty, or damaged engine air filter
• Routine intake system maintenance
• Restoring normal airflow after the original filter has degraded

Technical Specifications

• Product Type: Engine Air Filter
• Part Number(s): P621725, P63745
• Machine Application(s): Kenworth T680, Kenworth T880, Peterbilt 567, Peterbilt 579

Frequently Asked Questions

Q: What does an engine air filter do? A: It captures dust, dirt, and other contaminants from the air entering the engine intake to help protect internal components and support normal combustion.

Q: How do I verify fitment? A: Compare the complete part number P621725 or P63745 and the full equipment model designation against your existing filter and machine to confirm a match.

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.