• Features
• Lineup
• Specifications
• Cross Reference

Identifying IRIDIUM RACING (Stamped into the Center of the Housing)

I	W	0	1	ー	27
↑	↑	↑	↑		↑
Variety	Thread Size	Intermediate Number （Overall Size）	Intermediate Number （Electrode Shape）		Heat Range
I：Iridium	U：10mm		1：Slant ground electrode or surface gap plug.		24
	XU：12mm				27
	A：14mm				29
R：Surface Gap	AE：14mm		2：Flat ground electrode		31
	K：14mm				32
	KH：14mm		6：Slant ground electrode and non-resistor plug		34
	Q：14mm				35
	RE：14mm
	RL：14mm		(Exception) IRE01 has a flat ground electrode.
	RT：14mm
	W：14mm
	WM：14mm

IRIDIUM RACING Cross Reference

DENSO		NGK
IRIDIUM POWER	IRIDIUM RACING	DIA. (mm)	REACH (mm)	HEX (mm)	RESISTOR	FIGURE	TYPE
IW□		14	19	20.6		BP-E	R4304A-□
	IW01/IW06-□ (Note 1)	14	19	20.6		B-E	B□EGP
IW□		14	19	20.6		B-E	B□EGV
IW□		14	19	20.6		B-E	R4118S-□
	IW01/IW06-□ (Note 1)	14	19	20.6		B-E	R4630A-□
	IW01/IW06-□ (Note 1)	14	19	20.6	R	B-E	R6252K-□
	IW01/IW06-□ (Note 1)	14	19	20.6	R	B-E	R6918B-□
	IW01/IW06-□ (Note 1)	14	19	20.6	R	B-E	R6918C-□
IW□		14	19	20.6	R	B-E	R6021E-□
	IW01/IW06-□ (Note 1)	14	19	20.6	R	B-E	R6385-□P
	IW01/IW06-□ (Note 1)	14	19	20.6	R	B-E	R7376(Ir)
		14	19	20.6		B-E SEMISURFACE	R5649-□
		14	19	20.6	R	B-E SEMISURFACE	R6712-□
	IWM01-□	14	19	20.6		B-E COMPACT	R5184-□
		14	19	20.6	R	B-E COMPACT	R5300A-□
		14	19	20.6	R	B-E COMPACT	R5300N-□
		14	19	20.6	R	B-E COMPACT	R5540F-□
	IWM01-□	14	19	20.6	R	B-E COMPACT	R6179A-□P
		14	22	20.6	R	B-E COMPACT	R6179C-□PA
		14	22	20.6	R	B-E	R7376B(Ir)
	IA01-□	14	22	16	R	BC-E COMPACT	R6120A-□
	IA01-□	14	22	16	R	BC-E COMPACT	R7282A-□（Ir)
	IAE01-□	14	19	16	R	BC-E COMPACT	R6120-□
	IAE01-□ (Note 2)	14	19	16	R	BC-E COMPACT	R6120C-□
	IAE01-□ (Note 2)	14	19	16	R	BC-E COMPACT	R6120M-□
	IAE01-□	14	19	16	R	BC-E COMPACT	R7282-□(Ir)
	IAE01-□ (Note 2)	14	19	16	R	BC-E COMPACT	R7282C-□(Ir)
	IAE01-□ (Note 2)	14	19	16	R	BC-E COMPACT	R7282M-□(Ir)
IK□		14	19	16	R	BK-E ISO	R6888A-□
IK□		14	19	16		BK-E ISO	R7112-□
IK□		14	19	16	R	BK-E ISO	R7113-□
IK□		14	19	16	R	BK-E ISO	R7433-□(ir)
IK□		14	19	16		BK-E ISO	R7114-□
IK□		14	19	16	R	BK-E ISO	R7115-□
	IK01-□	14	19	16		BK-E ISO	R7116-□
	IK01-□	14	19	16	R	BK-E ISO	R7117-□
	IK02-□	14	19	16		BK-E ISO	R7118-□
	IK02-□	14	19	16	R	BK-E ISO	R7119-□
	IK01-□	14	19	16	R	BK-E ISO	R7434-□(Ir)
	IK02-□	14	19	16	R	BK-E ISO	R7279-□(Ir)
		14	19	16	R	BK-E SEMISURFACE	R6601-□
		14	19	16		BK-E SEMISURFACE	R6711-□
IQ□		14	19	16	R	BCP-E	R7435-□(Ir)
IQ□		14	19	16		BCP-E	R7232-□
IQ□		14	19	16	R	BCP-E	R7233-□
IQ□		14	19	16		BC-E	R7234-□
IQ□		14	19	16	R	BC-E	R7235-□
	IQ01-□	14	19	16		BC-E	R7236-□
	IQ01-□	14	19	16	R	BC-E	R7237-□
	IQ02-□	14	19	16		BC-E	R7238-□
	IQ02-□	14	19	16	R	BC-E	R7239-□
	IQ01-□	14	19	16	R	BC-E	R7436-□(Ir)
		14	19	16		BC-E SEMISURFACE	R5883-□
		14	19	16	R	BC-E SEMISURFACE	R6690-□
IKH□		14	26.5	16	R	LFR	R7437-□(Ir)
	IKH01-□	14	26.5	16	R	LFR	R7438-□(Ir)
IWF□		14	12.7	20.6		B-H	R5525-□
		14	12.7	20.6		B-H	R5530-□
	IRE01-□	14	21.5	20.6	R	ROTARY	R6725-□
	IRE01-□	14	21.5	20.6	R	ROTARY	R7420-□(Ir)
		14	21.5	20.6		ROTARY, SURFACE	T813J-N13
	IRL01-□	14	21	20.6	R	ROTARY RX-8(L)	R7440A-□L(Ir)
	IRT01-□	14	19	20.6	R	ROTARY RX-8(T)	R7440B-□T(Ir)
	IXU01-□ (Note 3)	12	19	18		D-E	R216-□
IX□ (Note 3)	IXU01-□ (Note 3)	12	19	18		D-E	R217-□
		12	21	18		D-Z	R2188-□
		12	19	16	R	DC-E SEMISURFACE	R2349-□
	IXU01-□ (Note 3)	12	19	16	R	DC-E	R2525-□
		12	19	16		DC-E SEMISURFACE	R2430-□
	IU01-□	10	19	16		C-E	R016-□
IU□A		10	19	16		C-E	R017-□
	IU01-□	10	19	16		C-E	R0373A-□(Ir)
		10	19	16		C-E SEMISURFACE	R0045G-□
	RU01-□	10	19	16		C-E SEMISURFACE	R0045J-□
	RU01-□	10	19	16	R	C-E SEMISURFACE	R0045Q-□
	IU01-□	10	19	16	R	C-EH HALF THREAD	R0379A-10(Ir),R0409B-□
IUF□(A)		10	12.7	16		C-H	R0161-□
IY□		8	19	12.7	R	E-EH SEMISURFACE	R847-□

• (Note 1) IW06 is a non resistor type
• (Note 2) Remove the gasket with nippers before use
• (Note 3) IX□B and IX□ is different from IXU01-□ only in the hex size (18 mm or 16 mm), and are otherwise interchangeable in terms of installation.
• (□) show the heat range.

Actual products may differ from images shown.