Champion 21 - Alternative spark plugs

There are 31 replacement spark plugs for Champion 21. The cross references are for general reference only, please check specifications for your application.

Compatible plug on Amazon

2-Pack Replacement Spark Plug for Kawasaki Engine Power Equipment FH641V V-Twin OHV Vertical

5.99$

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include Amazon Associates.

Specifications for Champion 21

Thread diameter: M18x1.5
Thread reach: 11.7 mm
Hex size: 21 mm
Terminal: SAE
Gap: 1 mm

Champion 21 replacement spark plugs

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network and Amazon Associates.