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

MYLSAUTO P621725 is a high-efficiency engine air filter engineered to protect heavy-duty Kenworth and Peterbilt truck engines by trapping dust, soot and airborne debris while maintaining steady airflow.

If you operate a Kenworth T680, T880 or a Peterbilt 567/569 that uses PACCAR or Cummins engines, this replacement filter is built to match factory fit and filtration performance for long service life. It replaces common part numbers such as P621725, P637453, LAF6725, PA32000, WA11058 and 501058, making it an easy cross-reference when sourcing parts. The element combines robust media and a durable frame so installation is straightforward and maintenance intervals are predictable.

How does this filter improve engine protection during heavy road use?

The MYLSAUTO air filter captures fine particulates and larger debris before they reach the intake, reducing wear on turbochargers and cylinders. Its layered media balances particle capture with minimal pressure drop to preserve engine efficiency.

• Multi-layer filtration media traps dust, soot, and pollen.
• Rigid frame resists collapse under high intake vacuum.
• Engineered to keep airflow within OEM specifications.

Which truck models and engines does this element fit?

This replacement is specified for multiple heavy-duty applications across Kenworth and Peterbilt model lines, covering PACCAR and Cummins engine families. Verify your OEM part number or model/year to confirm compatibility before purchase.

• Kenworth T680 and T880 with PACCAR MX13, MX11, or Cummins X15/ISX engines.
• Peterbilt 567 and 569 with PACCAR MX11, MX13, or Cummins ISX15 engines.
• Cross-replaces P621725, P637453, LAF6725, PA32000, WA11058, 501058.

How easy is installation and routine service?

Installation is designed to be straightforward for technicians and fleet mechanics: the filter drops into the housing with basic hand tools and seals with OEM-style gaskets. Routine checks follow standard service intervals and can be completed during scheduled maintenance.

• Standard drop-in form factor for direct replacement.
• No special tools required beyond typical service hand tools.
• Inspect and replace according to vehicle manufacturer or duty-cycle recommendations.

What performance and fit features can I expect from this replacement filter?

MYLSAUTO designed the element to mirror factory dimensions and airflow characteristics so it maintains engine performance and fuel efficiency. The construction materials aim to extend service life under dusty or highway conditions.

• Durable media and frame for consistent filtration life.
• OEM-equivalent sealing surfaces to prevent bypass.
• Tested to match airflow and restriction profiles for target engines.

Who is this for: this MYLSAUTO P621725 replacement air filter is intended for fleet managers, owner-operators, and maintenance technicians who run Kenworth T680/T880 or Peterbilt 567/569 trucks with PACCAR or Cummins engines and need a reliable, direct-fit intake filter. It suits vehicles operating in dusty construction zones, long-haul highways, or mixed-use fleets where predictable filtration performance and simple installation save downtime. Always confirm fitment by comparing your existing part number to the cross-reference list before ordering.