Caterpillar 6N-6444 6N6444 Engine Air Filter

$ 102.27
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  • Availability: In Stock
  • Product Sku: 6N-6444-1Pack
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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

Specifications for Cat 6N6444 Air Filter:

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


Wheel-Type Loader


Engine - Generator Set
3406 3406B SR4


Engine - Industrial
3406 3406B 3406C G3406 G3408 G3408B G3412 G3508 G3512 G3516

Wheel Tractor-Scraper
631E 637E

Track-Type Tractor
10S 10 10C 10U 58 58L 59L 59N 8 8A 8S 8U 9 9SU 9U D10 D8L D9N



AC-DELCO A1082C, A2580C, AIR REFINER ARM-6444, BALDWIN PA2647, PA2735, BIG A 94424, CARQUEST 88424, CATERPILLAR 6N-6444, DONALDSON P158677, FLEETGUARD AF1833, AF4515, FLEETRITE AFR-81833, Fram CA6328, GENERAL MOTORS 25096452, HASTINGS AF727, PA2735, HEAVY DUTY AIR A-6444, HDA-6444, KRALINATOR LA1112, LUBER-FINER LAF1847, LAF22059, NAPA 6424, NELSON 84901S, PUROLATOR A54464, A64867, WIX 24891, 46424


* 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.