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10_29a4a681-53f2-4a54-b312-88c86f4f53d5 - Northline Parts

Engine Air Filter For Kenworth and Peterbilt Trucks P621730 P637454 Replacement

Alligator_819_x_200_px - Northline Parts

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$116.89
Sale price  $116.89 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Engine Air Filter For Kenworth and Peterbilt Trucks P621730 P637454 Replacement

Ensure your heavy-duty truck maintains peak performance with this high-quality aftermarket engine air filter. Specifically engineered for Kenworth and Peterbilt models, this filter serves as a reliable replacement for part numbers P621730 and P637454. By providing superior filtration and protecting your engine from harmful dust and debris, this aftermarket component helps extend the life of your vehicle while maintaining optimal fuel efficiency and engine power.

Key Features & Benefits

  • High-efficiency filtration media designed to capture microscopic contaminants
  • Rugged construction built to withstand the demands of heavy-duty operation
  • Direct-fit design ensures a seamless installation process without modifications
  • Improves airflow to maximize engine performance and longevity
  • Cost-effective aftermarket solution without compromising on quality

Compatible Models

  • Kenworth Heavy-Duty Trucks
  • Peterbilt Heavy-Duty Trucks
  • Replaces Part Numbers: P621730, P637454

Product Specifications

  • Product Type: Engine Air Filter
  • Condition: Brand New
  • Fitment Type: Aftermarket Replacement
  • Application: Industrial/Heavy-Duty Trucking

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance of the original equipment at a more competitive price point.

How do I confirm compatibility?
You can confirm compatibility by cross-referencing your current filter's part number with P621730 or P637454. It is always recommended to check your owner's manual or current installed part for exact fitment details.


Important: This item is an aftermarket replacement part sold by Northline Parts. It is not an OEM part unless specifically stated. Any brand names, model names, or part numbers are used for compatibility reference only. Please verify fitment by comparing your original part, product photos, and vehicle or equipment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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