MYLSAUTO Engine Air Filter for Kenworth T680/T880 & Peterbilt 567/579 — P621725 Direct-Fit, High-Efficiency

MYLSAUTO P621725 engine air filter is a direct-fit replacement that protects heavy-duty Kenworth and Peterbilt diesel engines by filtering dust, soot and road contaminants while maintaining airflow.

This heavy-duty air filter is engineered for professional truck use and built to meet or exceed OE fit and filtration standards. It swaps in quickly for popular replacement numbers such as P637453, LAF6725, PA32000 and WA11058, delivering reliable protection for PACCAR and Cummins powerplants without sacrificing service life or breathing efficiency.

Will this filter fit my Kenworth T680 or T880?

Yes — the P621725 is specified to fit multiple Kenworth T680 and T880 variants across PACCAR and Cummins engines. Check your engine model before ordering to confirm compatibility.

• Kenworth T680: PACCAR MX13, PACCAR MX11, CUMMINS X15
• Kenworth T880: PACCAR MX13, PACCAR MX11, CUMMINS ISX, CUMMINS X15
• Direct-fit replacement for original-style housings and clamps

Does this replace my current part number like P637453 or LAF6725?

It does: MYLSAUTO P621725 is listed as a replacement for several common OEM and aftermarket numbers. That makes it convenient when sourcing a like-for-like element during scheduled maintenance.

• Replaces: Paccar P621725, Donaldson P637453, Luber-Finer LAF6725
• Also matches: Baldwin PA32000, Wix WA11058, NAPA 501058
• Sold as one complete filter — inspect seals and housing for proper seating

How does this filter balance protection and airflow?

The media and pleat design trap fine dust and soot while preserving the airflow needed by modern diesel engines. That balance helps maintain engine efficiency and reduces the risk of premature wear from abrasive particles.

• High-efficiency multi-layer filter media for particle retention
• Pleat geometry optimized for sustained airflow under load
• Durable end-caps and gasket for a reliable seal against bypass

How easy is installation and routine replacement?

Installation is straightforward and requires only basic tools commonly used in truck shops. The filter is designed for a clean swap with OE-style mounting points to keep service time low.

• One-piece cartridge design for fast removal and refit
• Works with standard clamps and housings found on the listed truck models
• Inspect surrounding ducting and clamps during every service interval

Who is this for? Fleet managers, owner-operators and maintenance technicians who run Kenworth T680/T880 or Peterbilt 567/569 trucks and need a dependable, aftermarket air filter that matches familiar part numbers will find the MYLSAUTO P621725 a practical choice. It’s aimed at professionals who prioritize filtration performance, serviceability and compatibility with PACCAR and Cummins engines without altering factory airflow characteristics. If you’re replacing a worn or clogged element or stocking common spares for scheduled maintenance, this filter provides a direct, reliable swap for several OE and aftermarket references.