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NGK 4121 - Possible spark plugs for

Details about NGK 4121 :

Threaddiameter: 14.0 mm
Threadreach: 19.5 mm
Hexsize: 20.8 mm

Alternative spark plugs for NGK 4121 :

Brand	Model
Autolite	AR2592
Autolite	AR2594
Denso	3081
Denso	3082
Denso	W22EB
Denso	W22EBR
Mazda	0000183648
Mazda	364818600
Mazda	374318600

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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.