R5B12-77C Generator Spark Plug With Iridium Center Electrode For Durability Gas Engines Spark Plug
R5B12-77C Generator Spark Plug with Iridium Center Electrode for Durability Gas Engines Spark Plug
| Specifiion | Cross reference | |
| Model | R5B12-77C | GI3-1, GI3-5 FB77WPCC :243-4291 |
| Thread Size | M18x1.5 | |
| Reach | 20.6mm (13/16”) | |
| Hex | 7/8”(22.2mm) | |
| Seat Type | Gasket | |
| Gap | 0.3mm | |
| Heat Range | 77 | |
| Electrode Type | "J" Gap industrial electrode | |
| Resistor | yes | |
| Center Electrode Material | Iridium | |
| Ground Electrode Material | Iridium | |
G3500 (non B, C and E series), G3600 series
Q19G, QSV81-V16, QSV91-V18
FG180, FGLD180, FG240, FGLD240, FGLD360, FGLD480
J612, J616, J620 (1995/9 - BMEP = 16 bar or less)
4000 Series
1706G2, 1712G1
W25SG, W28SG, W34SG, W20V, 34SG
8L-AT25GL / AT27GL (13/16" Reach Heads), 12V-AT25GL / AT27GL (13/16" Reach Heads)
VGF Series Inline 6: F18G, F18GL/GLD
VGF Series Inline 8: H24G, H24GL/GLD
VGF Series V-12: L36GL/GLD
VGF Series V-16: P48GL/GLD
VHP Series Inline 6: 2895GL (13/16" Reach Heads), 3521GL (13/16" Reach Heads)
VHP Series V-12: L5108GL (13/16" Reach Heads), L5790GL (13/16" Reach Heads), L7042GL (13/16" Reach Heads)
VHP Series V-16: P5115GL, P9390GL (13/16" Reach Heads)
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