What is the cross reference for an ariens snow blower 21547400for spark plug's.?

The Ariens snow blower model 21547400 typically uses the NGK BPR5ES spark plug as a cross reference. However, you may also find compatibility with other brands, such as Champion RJ19LM or Bosch WSR6F. Always consult your owner's manual or a local dealer for the most accurate and specific recommendations for your snow blower model.