There are 20 replacement spark plugs for NGK 6684. The cross references are for general reference only, please check for correct specifications and measurements for your application. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include Amazon Associates.
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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 |
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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.