NGK 2421 - Alternative spark plugs
There are 17 replacement spark plugs for NGK 2421. The cross references are for general reference only, please check specifications for your application.
Specifications for NGK 2421
- Thread diameter
- 14.0 mm
- Thread reach
- 12.7 mm
- Hex size
- 20.8 mm
NGK 2421 replacement spark plugs
- ACDelco 42F Buy from Amazon
- ACDelco S41FG
- Beru 14-4A
- Bosch W5AC Buy from Amazon
- Brisk 1432
- Brisk N14
- Brisk NR14S
- Champion L4J
- Champion L82C Buy from Amazon
- Champion L82CT10
- Denso W22FS-U Buy from Amazon
- Denso W22FSU Buy from Amazon
- Eyquem 755
- Iskra F80
- Magneti Marelli CW8N
- Motorcraft AE1C
- Unipart GSP2050
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Replacement spark plugs for NGK 2421 on Amazon
Replacement spark plugs for NGK 2421 on Ebay
Applications for this plug
| Make | Model | Engine | Years | Engine size | HP | kW | Gap | Notes |
|---|---|---|---|---|---|---|---|---|
| BSA | A 7 | 1947 - 1962 | 500 | 0.7 |
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