NGK 4666 - Alternative spark plugs
There are 16 replacement spark plugs for NGK 4666. The cross references are for general reference only, please check for correct specifications and measurements for your application. 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.
- Thread diameter: 14.0 mm
- Thread reach: 17.5 mm
- Hex size: 16 mm
Specifications for NGK 4666
- NGK 4666 replacement spark plugs
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- Unipart GSP2101
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Replacement spark plugs for NGK 4666 on Amazon
Applications of NGK 4666
| Brand | Model | Engine size | HP | KW | Year | Engine | # of cyl | Spark plug gap |
|---|---|---|---|---|---|---|---|---|
| AUSTIN | 1700 | 1.7 | O SERIES | 4 | 0.6 | |||
| AUSTIN | 2000 | 2 | O SERIES | 4 | 0.6 | |||
| AUSTIN | Ambassador | 1.7 | 4 | 0.9 | ||||
| AUSTIN | Ambassador | 2 | 4 | 0.9 | ||||
| AUSTIN | Ital | 1.7 | 1980 - 1984 | 4 | 0.9 | |||
| AUSTIN | Ital | 2 | 1980 - 1984 | 4 | 0.9 | |||
| AUSTIN | Marina | 1.7 | -1980 | 4 | 0.9 |
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The spark plug Cross References are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.