Caterpillar 113-1578 1131578 Engine Air Filter

$ 301.43 $ 220.69
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  • Product Sku: 113-1578-1Pack
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Standard Efficiency Engine Air Filter - Primary

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

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: Radial Seal



Engine - Generator Set
3512B 3516 3516B 3516C G3516B G3520B PM3516 PP3516

Petroleum Products
3512C CX48-P2300 G3520B TH48-E70 TH48-E80

Engine - Industrial
3508B 3512B 3512C 3512E 3516B 3516C 3516E G3516B G3520B G3520J

Marine Products
3508B 3512B 3516B


* 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.