Type

R5B12-77

Thread

M18x1.5

Reach

20.6mm

Hex

22.2mm

Seat Type

Flat

Gap

0.3mm

Heat Range

77

Electrode Type

Double "J" Gap Iridium electrode

Resistor or Non-Resistor

Resistor

Replacement

CHAMPION: RB77WPCC /KB77WPCC /FB77WPCC

BOSCH: 7306(MR3DPP330), 7301, 7305(MR3DII360)

CATERPILLAR: 194-8518 /301-6663 /149-9931

WAUKESHA: 60999Z /69919D

CUMMINS: 4090121 /4098162 /4010981 /4302738

JENBACHER: 289383

GUASCOR: 76.64.291 /76.64.293 /76.64.292

Others：479-7702

Application

CATERPILLAR: G3406/G3412, G3508, G3512 /G3512E /G3512H、G3516/G3516E /G3516C、G3516B /G3516H /G3516A /G3516A+ /G3520 /G3520E/G3520H /G3520C (Biogas only)

CUMMINS: QSV81G, QSV91G, QSK60, QSK90, QSK19G, QSK45G, QSK60G, QSK38G, QSK50G

DEUTZ MWM: G620 V-8, TBG616 V-8, TBG616 V-12, TBG616K V-8K, TBG616K V-12, TBG616K  V-16K, TBG620 V-8, TBG620 V12, TBG620 V-16, TBG620K V-12K, TBG620K V-16K

GUASCOR: FG180, FGLD180, FG240, FGLD240, FGLD360, FGLD480, SFGLD480 z

PERKINS: 4000 Series

SUPERIOR: 1706G2、1712G1、2400 G Series

WARTSILA: W25SG,W28SG,W34SG,W20V,34SG

WAUKESHA: APG1000、8L-AT25GL-13/16"Rch Heads、AT27GL Series-13/16"Rch Heads, 12V-AT25GL/AT27GL(13/16"Reach Heads),  P48GL GLD, L36GL/GLD. H24G,  F18GL/GLD,  F18G,  2895GL-13/16"Rch Heads, 3521GL-13/16"Rch Heads、P5115GL、P9390GL-13/16 Rch Heads， L7044GSl-13/16"Rch Heads、L7042GL-13/16"Rch Heads,

7042GL-13/16"Rch Heads, L5790GL-13/16"Rch Heads, F3521GL-13/16"Rch Heads, L5108GL-13/16"Rch Heads, L5115GL, F2895GL-13/16"Rch Heads