Caterpillar 8N-6309 8N6309 Engine Air Filter

$ 118.93
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  • Availability: In Stock
  • Product Sku: 8N-6309-1Pack
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Cat Standard Efficiency Engine Air - Primary

Contamination is your engine’s number one enemy, which is why it’s critical to protect your Cat equipment with genuine Cat Filter Elements. Cat Standard Efficiency Primary Engine Air Filters are your best value for normal duty applications, delivering increased engine protection and preventing equipment downtime.

Offering a long service life and exceptional filtration, Cat Air Filters are also environmentally friendly and cost effective. Designed to the exact specifications of your Cat equipment, genuine Cat Filters are a crucial factor in your machine’s ability to use air efficiently. A clean filter element protects internal mechanisms from being damaged by dirt.

Consistently choosing Cat Air Filters is the best choice to ensure long life and optimum performance of your Cat machinery.


  • Quick serviceability
  • Improved contamination control holds particulates during filter change


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



Engine - Generator Set
3508 3508B 3508C 3512 3512B 3512C 3516 3516B CG137-08 CG137-12 G3412 G3412C G3508 G3512 G3516 G3516B PM3508 PM3512 PMG3516 POWER SYS SR4 XQG400

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

Marine Products
3412 3176B 3508 3508B 3508C 3512 3512B 3516 3516B

Engine - Industrial
3412 3412C 3412E 3508 3508B 3508C 3512 3512B 3512C 3516 3516B 3516C 3561B C18 C27 C32 CG137-08 CG137-12 G3408 G3408B G3408C G3412 G3508 G3508B G3508J G3512 G3516 G3516B SCT673 SPF343 SPS343 SPT343

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.