HomeIgnition > Secondary IgnitionChampion 686 Spark Plug
Part #: 686

Champion 686 Spark Plug

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Champion 686 Spark Plug
BrandChampion
Part Number686
Ground Electrode Tip DesignFine wire j gap
Ground Electrode Core MaterialNickel
Electrical Terminal TypeNon-removable nut
Center Electrode Tip MaterialNickel
Pre-Gap Size0.025
Pre-Gap Size0.65
Ground Electrode Quantity1
Manufacturer Heat Range57
Seat TypeFlat
Reach0.75
Thread Diameter0.551
Thread Diameter14.000
Resistor TypeNo
Hex TypeHex
Center Electrode Diameter (Inch)0.052
ClassificationChampion racing plugs
Gap StyleFine wire j gap
Ground Electrode MaterialNickel copper alloy
Hex Size0.625
Hex Size15.880
Plug TypeC57

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

26114062AG501AG501XB10ESB9EGC57CR56869F09CSN1N57N59GN84N84GQN1R5671A10S40XLS40XLRW31ESU

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.