Champion RJ18YC6 - Alternative spark plugs

There are 100 replacement spark plugs for Champion RJ18YC6. The cross references are for general reference only, please check specifications for your application.

Compatible plug on Amazon

Champion 66 Traditional Spark Plug. Part# RJ18YC6
Champion 66 Traditional Spark Plug. Part# RJ18YC6
50.43$

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Specifications for Champion RJ18YC6

Thread diameter
14mm
Thread reach
9.5mm
Hex size
21mm
Seat type
flat
Tip
projected
Construction
Standard construction
Terminal
Solid

Champion RJ18YC6 replacement spark plugs

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Replacement spark plugs for Champion RJ18YC6 on Amazon


Applications for this plug

Make Model Engine Years Engine size HP kW Gap Notes
BUICK All V8 Eng 1975-1976 260 ci(4.3L) 1.5
BUICK All V8 Eng 1980-1984 307 ci(5.0L) 1.5
BUICK All V8 Eng 1977-1979 403 ci(6.6L) 1.5
CADILLAC All V8 Eng 1975-1980 350 ci(5.7L) 1.5

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