NGK 6821 - Alternative spark plugs
There are 28 replacement spark plugs for NGK 6821. 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: 10.0 mm
- Thread reach: 12.7 mm
- Hex size: 16 mm
Specifications for NGK 6821
- NGK 6821 replacement spark plugs
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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 NGK 6821 on Amazon
Replacement spark plugs for NGK 6821 on Ebay
Applications of NGK 6821
| Brand | Model | Engine size | HP | KW | Year | Engine | # of cyl | Spark plug gap |
|---|---|---|---|---|---|---|---|---|
| KAWASAKI | Ninja 250 R | 250 | 2008 - 2010 | 2 | 0.5 | |||
| MOTO GUZZI | 125 2C4T | 125 | 1979 - 1983 | 1 | 0.5 | |||
| MOTO GUZZI | 254 | 250 | 1978 - 1980 | 4 | 0.5 | |||
| MOTO GUZZI | V 35 Imola II | 350 | 1979 - 1986 | 2 | 0.5 | |||
| MOTO GUZZI | V 50 Monza II | 500 | 1984 - 1987 | 2 | 0.5 | |||
| MOTO GUZZI | V 65 Lario | 650 | - 1986 | 2 | 0.5 | |||
| MOTO GUZZI | V 75, Duna | 750 | 2 | 0.5 |
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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.