Part number: ALM RCJ7Y
ALM Manufacturing spark plug
Suitable for McCulloch chainsaw models
CS42S,
CS50S
Compares to:
Autolite
2974, 2984, XST2974
Bosch
WSR6F
Brisk
PR15Y, PR17YC
Champion
RCJ6Y, RCJ7Y, stk 852
Denso
W20MP-U, W22MPR-U, stk 6023
General Motors
5613726
Husqvarna
HQT-1
Iskra
FSC75CPR
Motorcraft
A22NX, stk 107
NGK
BPMR6A, BPMR7A, stk 107
Torch
L6RTC, L7RTC, L8RTC, L8RTF
Note
ALM RCJ7Y is printed with ALM 7 on the spark plug