NGK 6521 - Alternative spark plugs
There are 45 replacement spark plugs for NGK 6521. 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 6521
- Thread diameter
- 14.0 mm
- Thread reach
- 9.5 mm
- Hex size
- 19 mm
NGK 6521 replacement spark plugs
- ACDelco CS40
- ACDelco CS41
- ACDelco CS42
- ACDelco CS42S
- Autolite 253 Buy from Amazon
- Autolite 254 Buy from Amazon
- Autolite XST254 Buy from Amazon
- Bosch 0241245554
- Bosch WKA225T3
- Bosch WS5E
- Brisk 3051
- Brisk 77308
- Brisk P15
- Carlton 71020
- Carlton 71030
- Carlton CA5E
- Carlton CA7E
- Champion 5843
- Champion CJ3
- Champion CJ4
- Champion CJ6 Buy from Amazon
- Champion CJ6T10
- Denso 6048
- Denso W22M Buy from Amazon
- Denso W22M-U
- Denso W22M-US
- Denso W22MU Buy from Amazon
- Denso W22MUS
- Eyquem 755CT
- Hitachi 6685052
- Hitachi 674505
- Hitachi C45W
- Kawasaki 920702066
- Kawasaki E920702066
- Kubota 07909-2226-0
- Kubota 0790922260
- Kubota 0790923160
- LEXUS 9009822355
- Magneti Marelli AW56C
- Motorcraft A2NX
- PAL (Brisk) P15
- Prestolite 14-3N
- Prestolite 143N
- Toyota 9009822355
- Yamaha 9089078075
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 6521 on Amazon
Replacement spark plugs for NGK 6521 on Ebay
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