The Denso GK3-7 spark plug is designed specifically for the Cummins ISL-G and ISB-G compressed natural gas (CNG) engine. The spark plug GK3-7 is also available in an aftermarket kit with a rubber boot or with a rubber cable.
The GK3-7 is equivalent to the original Cummins IR-3 plug.
For more information please contact us.
SPECIFICATIONS
THREAD | : | M14x1.25 mm |
THREAD LENGTH | : | 19 mm |
HEX: | : | 16 mm |
GAP | : | 0.7 mm |
ALLOY center/ground electrode | : | Iridium / Platinum (Ir/pl) |
Electrode design | : | 3 ground electrodes |