NGK 6668 - Alternative spark plugs
There are 13 replacement spark plugs for NGK 6668. 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 6668
- Thread diameter
- 14.0 mm
- Thread reach
- 26.5 mm
- Hex size
- 16 mm
NGK 6668 replacement spark plugs
- Bosch 0242235636
- Bosch FR7ME Buy from Amazon
- Champion OE035T10
- Denso K20HR-U11 Buy from Amazon
- Denso K20HRU11 Buy from Amazon
- Denso KH20TT Buy from Amazon
- Eyquem 0911007357
- INFINITI 22401AR716
- Magneti Marelli 062110040312
- Magneti Marelli CT6KHMR11
- NGK LFR6A Buy from Amazon
- Nissan 22401AR716
- Yamaha 9470200427
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 6668 on Amazon
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