Champion 66 - Alternative spark plugs
There are 49 replacement spark plugs for Champion 66. The cross references are for general reference only, please check specifications for your application.
Compatible plug on Amazon
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Specifications for Champion 66
- Thread diameter
- M14x1.25
- Thread reach
- 9.5 mm
- Hex size
- 21 mm
- Terminal
- SAE
- Gap
- 1.8 mm
Champion 66 replacement spark plugs
- Accel 198
- Accel 498
- ACDelco R44SX Buy from Amazon
- ACDelco R45SX
- ACDelco R46SX Buy from Amazon
- ACDelco R46SZ Buy from Amazon
- ACDelco R47SX
- Autolite 565
- Autolite 566
- Autolite 567
- Autolite 847
- Bosch WR10FCY
- Bosch WR10FCZ
- Bosch WR10FY
- Bosch WR9FCY
- Bosch WR9FCZ
- Bosch WR9FPY
- Bosch WR9FPZ
- Bosch WR9FY
- Champion RJ12Y6
- Champion RJ12YC6
- Champion RJ18Y6
- Champion RJ18Y8
- Champion RJ18YC6
- Champion RJ18YC6T04
- Champion RJ18YC8
- Denso W14PRU15
- Denso W16PRU15
- Denso W9PRU15
- Denso W9PRU20
- Mighty M4R426
- Mighty M4R826
- Mighty M4R828
- Mopar 4339428
- Motorcraft AR426
- Motorcraft AR526
- Motorcraft AR826
- Motorcraft AR828
- Motorcraft AS42C6
- Motorcraft AS827
- Motorcraft AS82C7
- Prestolite 14R42
- Prestolite 14R426
- Prestolite 14R42A
- Prestolite 14R52
- Prestolite 14R526
- Prestolite 14R52A
- Splitfire SF8E6
- Splitfire SF8G6
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 Champion 66 on Amazon
Replacement spark plugs for Champion 66 on Ebay
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