Oil and Maintenance Guide for 2011 Arctic Cat XC 450i 443
Before You Service the Engine
When planning an engine service for your 2011 Arctic Cat XC 450i 443, verify the correct lubricant and follow the proper refill steps. Use the specific level-check method for this machine and confirm product suitability rather than relying solely on a catalog name.
How much oil does a 2011 Arctic Cat XC 450i 443 take?
The engine-oil capacity is listed at 2.6 quarts. Since the amount lost during a routine drain may vary from this figure, use the correct level-check procedure when refilling.
What oil filter is listed for a 2011 Arctic Cat XC 450i 443?
AMSOIL’s vehicle application catalog lists EAOM109-EA as an oil-filter option for this model. Confirm your exact model and engine configuration before ordering.
Does synthetic oil automatically mean an ATV can go longer between oil changes?
Oil-change intervals depend on your specific engine, operating conditions, and manufacturer requirements. A synthetic product listing does not establish a longer service interval for this model.

