NGK – 3522 – BR6S Spark Plug

Kawasaki 2.1/KT30, 2.3/TA36MX, 3.4/KF34, 6.5/KF64, 7.0/KF68 and 8.1/KF81 gas engines

Kohler K121/5.0 gas engine

McCulloch 250, 550, 650, 660, 940, S250 and S550 chainsaws

Onan GO, IC, KA, KB, KR, MGO, MPG, MUK, OTC and WIB with gas engines

Partner 1629, 1630, 1631, 1644, 1645, 1660, 1661 and 1690 chainsaws

Robin EC10T gas engine

Sears D44 and D49 with gas engines

Tanaka ECS-3, ECS-5 and EBC-1 chainsaws

Tecumseh HSSK40, HSSK50, HH40, HH50, HH60, HH70, HH80, HH100, HH120, HHM80, HMXL70, HT30, HT35, HXL35, LAV25, LAV30, LAV35, LAV40, LAV50, TVM125, TVM140, TVM170, TVXL170, TVXL195, TVXL220, VH40, VH50, VH60, VH70, VH80, VH100, VM70, VM80, VM100, V40, V50, V60, V70 and V80 with gas engines

Wisconsin EY21W gas engine