Caterpillar 146-7473 1467473 Engine Air Filter

$ 33.82
+ Free Shipping
Bulk Pricing: Request a Quote
  • Availability: In Stock
  • Product Sku: 146-7473-1Pack
Shopify secure badge

Standard Efficiency Engine Air Filter - 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


CB22B CB-214D CB-214E CB-22 CB-224D CB-224E CB-225D CB-225E CB-22B CB-24 CB-24B CB-32 CB-32B CB-334D CB-334E CB-334E XW CB-335D CB-335E CB-34 CB-34 XW CB1.7 CB1.8 CB2.5 CB2.7 CB2.9 CC-24 CC-24B CC-34 CC2.6


302.5 303.5 303.5C 303.5D 303C CR 303E CR 304C CR 304D CR 305D CR

901C 901C2 902C 902C2 903C 903C2 903D

* 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.