Thread: Spark Plug Info

well here's my contribution:

here we go. use this to create your specific plug heat range and gap and use it to cross reference other types of plugs.


DENSO SPARK PLUGS - Basic Knowledge



B15 (Gen I) plug # is : Nissan:#22401-5M015 (NGK: PLFR5A-11)

Denso stock replacements:
(IRIDIUM TOUGH) VKH16
(IRIDIUM POWER) IKH16

Higher number is colder

VKH series (Iridium Tough) platinum tip
VKH16. VKH20. VKH22.
14mm dia. X 26.5mm length long reach type.
For Subaru, Peugeot, Citroen, NISSAN, Renault, Mitsubishi, Toyota, Isuzu, Mercedes Benz, and others
Gap should be 1.1mm (.044")


IKH series (Iridium Power)
IKH16. IKH20. IKH22. IKH24. IKH27
14mm dia. X 26.5mm length long reach type.
For Subaru 3 Liter, Nissan, Peugeot, Citroen, and Yamaha Marine.
Gap should be 1.1mm (.044")

Iridium Racing Plugs
IKH01-24. IKH01-27. IKH01-31
14mm dia. X 26.5mm length long reach type.
Gap should be 0.7mm (.027")



B16 (Gen II) plug # is : Nissan:#22401-JA01B (NGK: DILKAR6A-11)

Denso stock replacements:
(Iridium) FXE20HR11

FXE20HR11. FXE22HR11. FXE24HR11
12mm dia. X 26.5mm length long reach shroud type.
For Nissan
Gap should be 1.1mm (.044")


side info for boosted B16 (Gen II QR's)

FXE22HR11 = Nissan Part #: 22401-EW61C

FXE24HR11 = Nissan Part #: 22401-JK01D or 22041-JK07D

denso cross reference page: DENSO SPARK PLUGS

here's a denso part # chart: DENSO SPARK PLUGS

very useful for someone in a pinch whos boosted or a quick lookup on plugs for someone who wants to go N20