Caterpillar 2S-1285 2S1285 Engine Air Filter

$ 52.78
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  • Availability: In Stock
  • Product Sku: 2S-1285-1Pack
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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


Motor Grader
120G 12E 12G 130G 140G

Wheel-Type Loader
920 930 930R 930T 950

Engine - Generator Set
3304 3304B

Track-Type Skidder
120C 125C

Wheel-Type Skidder
120C 518 518C FB518

215 215B E180 EL180


Engine - Industrial
3304 3304B 3306

Track-Type Loader
941 941B 951B 951C 955H

RT50 RT50SA RT60 RTC60

Track-Type Tractor
140 143 4 4A D4D D4E


* 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.