NGK 6684 - Alternative spark plugs

There are 20 replacement spark plugs for NGK 6684. The cross-references are for general reference only; please check the correct specifications and measurements for your application. When you click on links to various retailers on this page and make a purchase, this site may earn a commission. Affiliate programs and partnerships include Amazon Associates.

NGK 6684 on Amazon

NGK 6684 Spark Plug , black

11.16$

• NGK 6684 replacement spark plugs
• Autolite AR51  Buy from Amazon
• Bosch 0241250502
• Bosch 0241250512
• Bosch 0241256517
• Bosch W3DP
• Bosch W3DP0
• Bosch W4DP0
• Bosch WG250T28
• Champion N6GY
• Champion OE195T10
• Denso IW24  Buy from Amazon
• Denso W24EPRZU
• INFINITI BY480BPR8E
• LETRIKA FE155P
• Magneti Marelli 062120107312
• Mercury 885185
• Nissan BY480BPR8E
• Suzuki 9900079A45P8E
• Yamaha 9079320008
• Yamaha 9079320025

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Replacement spark plugs for NGK 6684 on Amazon

Replacement spark plugs for NGK 6684 on Ebay

Applications of NGK 6684

Brand	Model	Engine size	HP	KW	Year	Engine	# of cyl	Spark plug gap
ABARTH	124/1300, Spider, 1600 TC						4	0.8
ABARTH	Fiat Abarth 124 Rally						4	0.8
ABARTH	Fiat Abarth 131 Rally						4	0.8
ALFA ROMEO	1750 Spider Veloce & Berline	1.7					4	0.8
ALFA ROMEO	1750, 1750 GTV	1.7					4	0.8
ALFA ROMEO	1750 Berlina	1.8	118	87	1967 - 1972	0.548	4	0.6
ALFA ROMEO	1750 GT Veloce	1.8	118	87	1967 - 1972	0.548	4	0.6
ALFA ROMEO	1750 Spider	1.8	118	87	1967 - 1972	0.548	4	0.6
ALFA ROMEO	Coupe 1300 Junior Z,	1.3					4	0.8
ALFA ROMEO	Duetto 1300 Spider, 1300 GT ,1600 Super						4	0.8
ALFA ROMEO	Giulia TI, Super, Sprint GT, GTA,GTC, GT Veloce				1965 -		4	0.8
ALFA ROMEO	Giulia 1300	1.3	78	57	08.1964 - 1971	0.506	4	0.8
ALFA ROMEO	Giulia 1300 TI	1.3	82	60	10.1965 - 1972	0.539	4	0.8
ALFA ROMEO	Giulia 1600S	1.6	95	70	01.1969 - 1970	0.585	4	0.8
ALFA ROMEO	Giulia Super 1600	1.6	98	72	03.1965 -	0.526	4	0.8
ALFA ROMEO	Giulia 1600SS	1.6	112	82	1962 - 1964		4	0.8
ALFA ROMEO	Giulia Spider, 1600 TI, 1300,1300 TI						4	0.8
ALFA ROMEO	Giulia Sprint, Sprint Speciale,TI, Super						4	0.8
ALFA ROMEO	Giulia Sprint	1.6	90	66	1962 - 1966		4	0.8
ALFA ROMEO	Giulia Sprint GTA	1.6	115	85	06.1964 -09.1967	0.502	4	0.6
ALFA ROMEO	GT 1300 Junior	1.3	103	76	08.1966 - 1975	0.53	4	0.8
ALFA ROMEO	GTA 1300 Junior,1600, 1600 S ,1600 GT						4	0.8
ALFA ROMEO	Sprint GTV	1.6	109	80	06.1966 - 1967	0.536	4	0.6
FERRARI	275 GTB4				1966 - 1967		12	0.8
FERRARI	DINO 206/GT						6	0.6
FERRARI	F308 GTB GTS	3	213	157	07.1981 -06.1985	F106B	8	0.6
FERRARI	F412	4.9	340	250	06.1985 -12.1988	F101C.. - E..	12	0.6
FERRARI	Mondial - Cabriolet	3	241	177	06.1982 -06.1985	F105A	8	0.6
FIAT	Dino Coup? / Spider	2	160	118	1967 - 1969		6	0.8
LAMBORGHINI	Countach LP 400 V12				1974 - 1978		12	0.6
LAMBORGHINI	Countach LP 400 S V12				1978 - 1982		12	0.6
LAMBORGHINI	LP 500 S V12				1982 - 1985		12	0.6
LANCIA	Flavia 2000 / 2000LX	2			1969 - 1971	820	4	0.8
LANCIA	Flavia 2000i / 2000iLX	2			1969 - 1971	820.4	4	0.8
LANCIA	Flavia Berlina 1.8 2. Serie	1.8			1967 - 1970	819.300 / 819.302	4	0.8
LANCIA	Flavia Berlina 1.8i 2. Serie	1.8			1967 - 1970	819.4	4	0.8
LANCIA	Fulvia Berlina 1.3 2. Serie	1.3			1969 - 1970	818.302	4	0.8
LANCIA	Fulvia Berlina 1.3 GTE 1. Serie	1.3			1968 - 1969	818.302	4	0.8
MASERATI	228 I	2.8	250	184	12.1987 -	Bi Turbo Cat.	6	0.8
MASERATI	420 / I / S / SI /	2	188	138	01.1987 -	470	6	0.8
MASERATI	422	2	223	164	1988 -	AM 471	6	0.8
MASERATI	430	2.8	248	182	02.1988 -	473 Cat.	6	0.8
MASERATI	Biturbo	2	185	136	12.1981 -02.1987	452	6	0.8
MASERATI	Biturbo	2.5			1985 -		6	0.7
MASERATI	Biturbo	2.8			1985 -		6	0.7
MASERATI	Karif	2.8	224	165	04.1988 -	437 Cat.	6	0.8
MASERATI	Spyder 16V	2	185	136	07.1985 -04.1987	452	6	0.8
MATRA	Bagheera 1.3S	1.3					4	0.8
MATRA	Bagheera 1.45X	1.4					4	0.8
MATRA	Coupe R360				1968 - 1970		4	0.8
MERCEDES	220 SE (128)	2.2	115	85	01.1958 -08.1959	M 127.980	6	0.6
MERCEDES	250 CE (114)	2.5	150	110	1968 - 1972	M 114.980	6	0.6
MERCEDES	250 SE (108)	2.5	150	110	08.1965 - 1968	M 129.980	6	0.6
MERCEDES	250 SE (111)	2.5	150	110	08.1965 - 1967	M 129.980/981	6	0.6
MERCEDES	300 SE Coupe (109)	3	170	125	08.1965 - 1967		6	0.6
MERCEDES	300 SEB/SEL (109)	3	170	125	08.1965 - 1967		6	0.6
MERCEDES	300 SEL (109)	2.8	170	125	1967 - 1970	M 130	6	0.6
PORSCHE	904 Carrera GT / Sport	2	155	114	11.1963 -04.1964		4	0.6
PORSCHE	911T	2	110	81	1968 - 1969	901.03	6	0.6
PORSCHE	911	2	130	96	1967 - 1967	901.06	6	0.6
PORSCHE	911L	2	130	96	1968 - 1968	901.06	6	0.6
PORSCHE	911S	2	160	118	1967 - 1967	901.02	6	0.6
PORSCHE	911T	2.2	125	92	1970 - 1971	911.03	6	0.6
PORSCHE	911	2.7	165	121	1976 - 1977	911.81	6	0.6
PORSCHE	911S	2.7	175	129	1974 - 1974	911.93	6	0.6
PORSCHE	911S	2.7	175	129	1975 - 1975	911.42	6	0.6
PORSCHE	911 SC	3	180	132	1978 - 1979	930.03	6	0.6
PORSCHE	911 Turbo	3.3	300	221	1981 - 1989	930.66	6	0.6
PORSCHE	914 / 6	2	110	81	1969 - 1972		6	0.8
CAGIVA	Canyon 500	500			1998 -		1	0.7
KAWASAKI	AE 80	80			1983 - 1997		1	0.8
KAWASAKI	AR 80	80			1983 - 1993		1	0.8
SUZUKI	RG 50 W	50					1	0.8
YAMAHA	XJ 650 T (Turbo) 11T	650			1982-		4	0.7
YAMAHA	XJ 750 41Y	750			1984- 1985		4	0.7
YAMAHA	XJ 900 31A	900			1983 - 1984		4	0.7
YAMAHA	XJ 900 58L	900			1985 - 1990		4	0.7
YAMAHA	XJ 900 4BB	900			1991 -		4	0.7