Caterpillar 8N-4901 8N4901 Engine Air Filter

$ 50.28
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  • Availability: In Stock
  • Product Sku: 8N-4901-1Pack
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Standard Efficiency Engine Air - Secondary

It pays to choose genuine Cat® Filters to protect the iron that generates your income.

Cat Secondary Engine Air Filters are your last line of defense against dust, dirt and other contaminants that may damage the components of your income-producing machinery. Tasked with protecting the engine while the primary filter is being changed or in the event of a breach in the main filter, this secondary unit plays a critical role in preventing damage due to contaminants.

Constructed of durable materials and manufactured to meet Caterpillar’s stringent specifications, these air filters deliver the consistent quality and reliability that Cat owners count on. Because uptime and cost-effective maintenance are critical, Cat Air Filters have been specifically designed to protect and optimize the power of your Cat iron.

Working together, genuine Cat Primary and Secondary Filter Elements provide a cost-effective method for maintaining your engine’s integrity and increasing your equipment’s uptime on the jobsite.


  • Environmentally friendly
  • Increased airflow with less restriction
  • Serves the critical role of back-up filtration


Efficiency Rating: Standard Efficiency
Primary vs Secondary: Secondary
Seal Type: Axial Seal


Wheel-Type Loader
916 926 926E 930 930R 930T G916 G926

Engine - Generator Set
3114 3116

Track-Type Skidder

Wheel-Type Skidder

Paving Compactor
CP-533 CP-563 CS-531 CS-533 CS-563 CS-573 CS-583

Asphalt Paver
AP-1000 AP-1050

Integrated Toolcarrier
IT18 IT18B IT28 IT28B

Engine - Industrial
3114 3116 3304B

Track-Type Loader
943 953

Track-Type Tractor
140 143 4 4A 4P 4S 54 55 D4E D4E SR D4H D4H III D4H XL

* All fitment filter part numbers are based on your engine serial number.
* Please confirm with our team if you are unsure this filter will fit your engine.