FB78WW - Dual Iridium High Performance Industrial Spark Plug.
The dual iridium electrodes combined with the bridge design and patented advanced weld process provide more than two times the service life of traditional J-gap plugs.
Ideally suited for fuel-fed , large bore pre-chambers gas engines where high load and high temperature operating conditions are prevalent.
The fixed gap provided by the bridge design does not move under extreme thermal cycling conditions like many standard
Federal Mogul FB78WW works in the following engine applications:
The Champion / Federal Mogul FB78WW works in the following engine applications:
Caterpillar / CAT:
CAT Kiel / MAK:
Rolls Royce Marine:
V35 / 44G
Wartsila / Wärtsilä:
34SG / 50SG
H35 / 40GV
Competitor Part numbers.
707447 / FB11047A
For Customers requiring better performance, this plug can also be used in other Waukesha, CAT, Cummins and other Industrial Engine applications for extended life, speak with our sales team today.