NGK stk 6421 - Alternative spark plugs
There are 34 replacement spark plugs for NGK stk 6421. 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 stk 6421
- Thread diameter
- 14.0 mm
- Thread reach
- 7.8 mm
- Hex size
- 16 mm
NGK stk 6421 replacement spark plugs
- ACDelco CS41T
- ACDelco CS42T
- ACDelco CS44TA
- Autolite 2553
- Autolite 2554 Buy from Amazon
- Autolite 2954 Buy from Amazon
- Autolite 2956
- Bosch HS5E Buy from Amazon
- Bosch HS8E
- Brisk U15
- Carlton 71010
- Carlton CN6E
- Champion DJ6J Buy from Amazon
- Champion DJ7J Buy from Amazon
- Champion DJ8J Buy from Amazon
- Champion RDJ6J
- Champion stk 847 Buy from Amazon
- Champion stk 850 Buy from Amazon
- Champion stk 851 Buy from Amazon
- Champion stk 870
- Denso 6041
- Denso T22M-U
- Denso WA20M-U
- Denso WA22M
- Denso WA22M-U
- Denso stk 6030
- Denso stk 6041
- Eyquem 755CJT
- General Motors 5613162
- General Motors 5613239
- General Motors 5613727
- Motorcraft AF3NX
- NGK BM7F Buy from Amazon
- Prestolite 14F3N
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 stk 6421 on Amazon
Replacement spark plugs for NGK stk 6421 on Ebay
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