Kenworth T680 & Peterbilt 579 Shared Platform Filters

Published by CORALFLY Technical Engineering•Category: Heavy Duty Filtration Guide
Paccar T680 and 579 trucks share many air and fuel filtration designs. Here is how to match the right element.

Check the OEM number and housing

Kenworth T680 and Peterbilt 579 share Paccar engineering. Many air and fuel filters can interchange across brands, but only when the OEM number and housing match.

Air filters

  • D371061 — common on 2022+ T680 / 579
  • P621725 — PowerCore G2 panel on select T680/T880 and 567/579 builds
  • P611696 — older or alternate Kenworth airboxes (T680/T800/T880/W900)

Fuel filtration

Confirm whether you have a Fuel Pro FH230, Diesel Pro FH234, or other processor before ordering FS19765 or related elements.

Frequently Asked Questions

Do T680 and 579 use the same air filter?

Many 2022+ trucks share Paccar D371061. Earlier PowerCore applications may list P621725. Confirm the airbox and OEM chart.

What fuel separator do Paccar trucks use?

Fuel Pro and Diesel Pro housings are common. FS19765 is a frequent element; match the element length and housing model first.

Related Truck Makes: Kenworth, Peterbilt
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