Caterpillar 222-9021 2229021 Engine Air Filter

$ 42.52
+ Free Shipping
Bulk Pricing: Request a Quote
  • Availability: In Stock
  • Product Sku: 222-9021-1Pack
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


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


Wheel-Type Loader
924G 924GZ 924H 924HZ 924K 926M 928G 928HZ 930G 930H 930K 930M 938K 938M

Wheeled Excavator
M313C M315C M316C M318C M318C MH M322C

Paving Compactor
C4.4 CB-54B CB-64B CB-66B CB-68B CB10 CB13 CB15 CB16 CCS7 CCS9 CP-44B CP-54B CP44B CP54B CS-44B CS-54B CS-64B CS10 CS11 CS12 CS44B CS54B CS64B CW-16

Asphalt Paver
AP500F AP555F

316E L 316F 316F L 318D2 318D2 L 318E L 318F 318F L 325F 325F LCR

Integrated Toolcarrier

TL1055C TL1255C TL642C TL943C

* 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.