Your truck is your livelihood. Every mile, every load, every delivery depends on one thing: a reliable engine. And a reliable engine starts with clean air.
That‘s where the P621725 Engine Air Filter comes in.
Designed specifically for Kenworth T680, T880 and Peterbilt 567, 579 models, this filter is a direct replacement that keeps harmful contaminants out of your engine .
What Does It Fit?
This filter is built for some of the most popular heavy-duty rigs on the road:
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Kenworth T680 (2013–2023)
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Kenworth T880 (2014–2023)
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Peterbilt 567 (2014–2023)
It works with PACCAR MX-11, MX-13, and Cummins X15, ISX, and ISX15 engines .
Why Quality Filtration Matters
Diesel engines gulp massive amounts of air. Every gallon of fuel burned requires thousands of gallons of air passing through the filter .
Without proper filtration, dust, soot, and abrasive particles enter the engine, accelerating wear on pistons, rings, and bearings. Over time, that means reduced power, lower fuel efficiency, and costly repairs.
The P621725 filter uses high-grade filtration media to trap contaminants before they cause damage .
Direct Replacement – No Modifications Needed
This filter replaces multiple OEM and aftermarket part numbers, including:
It's a direct fit – no cutting, no adapters, no hassle .
When Should You Replace Your Air Filter?
Most manufacturers recommend replacing your engine air filter every 10,000–12,000 miles . But if you operate in especially dusty environments, check it more frequently.
Signs it‘s time for a change:
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Reduced power or sluggish acceleration
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Increased fuel consumption
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Black smoke from the exhaust
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Visible dirt or debris on the filter element
The Bottom Line
Your engine works hard. Give it the clean air it needs.
The P621725 Engine Air Filter delivers reliable filtration, fits your Kenworth or Peterbilt perfectly, and helps protect your investment – mile after mile.
Keep your rig breathing right. Order yours today.