NGK 6221 - Alternative spark plugs
There are 30 replacement spark plugs for NGK 6221. The cross references are for general reference only, please check specifications for your application.
Compatible plug on Amazon
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Specifications for NGK 6221
- Thread diameter
- 14.0 mm
- Thread reach
- 7.8 mm
- Hex size
- 16 mm
NGK 6221 replacement spark plugs
- ACDelco CS15T
- ACDelco CS42T
- ACDelco CS45T Buy from Amazon
- Autolite 2956 Buy from Amazon
- Autolite XST2956 Buy from Amazon
- Bosch 0241229541
- Bosch HS6E
- Bosch HS8E Buy from Amazon
- Bosch WAK145T3
- Brisk 3006
- Brisk 77304
- Brisk U17 Buy from Amazon
- Carlton 71015
- Carlton CN8E
- Champion 5846(Ezstart)
- Champion 5847 Buy from Amazon
- Champion DJ7J Buy from Amazon
- Champion DJ8J Buy from Amazon
- Champion DJ8JT10
- Denso 6039 Buy from Amazon
- Denso T20M-U Buy from Amazon
- Denso T20MU
- Denso WA20M Buy from Amazon
- Denso WA20M-U Buy from Amazon
- Denso WA20MU Buy from Amazon
- Eyquem 500CJT
- Magneti Marelli SW5C
- Motorcraft AF5NX
- PAL (Brisk) U17 Buy from Amazon
- Prestolite 14F7N
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 NGK 6221 on Amazon
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