Champion D21 - Alternative spark plugs
There are 52 replacement spark plugs for Champion D21. The cross-references are for general reference only; please check the correct specifications and measurements for your application. When you click on links to various retailers on this page and make a purchase, this site may earn a commission. Affiliate programs and partnerships include Amazon Associates.
- Thread diameter: 18mm
- Thread reach: 12.7mm
- Seat type: flat
- Hex size: 23.8mm
- Tip configuration: non projected
- Construction: Standard construction
- Terminal type: Removable
Specifications for Champion D21
Champion D21 on Amazon
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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.
Replacement spark plugs for Champion D21 on Amazon
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The cross-references are for general reference only; please check the correct specifications and measurements for your application. When you click on links to various retailers on this page and make a purchase, this site may earn a commission. Affiliate programs and partnerships include Amazon Associates.