Champion 66 - Alternative spark plugs

There are 49 replacement spark plugs for Champion 66. The cross references are for general reference only, please check specifications for your application.

Compatible plug on Amazon

Replacement BPR2ES Spark Plug for Autolite 66 for Champion 405 RN14YC

55.99$

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 66

Thread diameter: M14x1.25
Thread reach: 9.5 mm
Hex size: 21 mm
Terminal: SAE
Gap: 1.8 mm

Champion 66 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.