Caterpillar 8N-2556 8N2556 Engine Air Filter

$ 112.37
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  • Product Sku: 8N-2556-1Pack
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Standard Efficiency Engine Air - Secondary

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



Engine - Generator Set
3508 3508B 3508C 3512 3512B 3512C 3516 G3512 G3516 SR4

Petroleum Products
3508 3508B 3508C 3512 3512C 3516C C18 C27 C32 CX35-P800 CX48-P2300 TH48 TH48-E70 TH48-E80

Engine - Industrial
3412E 3412 3508 3508B 3508C 3512 3512B 3512C 3516 3516B 3516C C18 C27 C32 CG137-12 G3408 G3412 G3508 G3512 G3516

Marine Products
3412 3508 3508B 3512 3512B 3516

Load, Haul, Dump
R1300 R1300G R1300G II

* 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.