
Cummins 4937432 Spark Plug ISL G L9N CNG
| Applicable Fuel | Compressed Natural Gas (CNG) / Liquefied Natural Gas (LNG) |
| Center Electrode Material | Central Electrode: Iridium φ0.7mm; Side Electrode: Platinum/Nickel Alloy Three-Side Electrode Design |
| Thread Specification | M14 × 1.25 |
| Thread Length | 19mm (3/4 inch) |
| Hexagon Size | 16mm (5/8 inch) |
| Line Seal Type | Flat Seat Gasket Seal |
| Electrode Count | Factory Set at 0.3mm (Not adjustable) |
| Resistance | Approx. 5 kΩ (Built-in resistor to suppress electromagnetic interference) |
| Temperature Grade | Equivalent to NGK heat value 7 / Denso heat value 20 (cold type, suitable for high compression ratio natural gas engines) |
| Voltage | ≥ 30 kV (high energy ignition coil compatible) |
| Original Packaging Specification | Single OEM packaging / 6-packs industrial box |
| Replacement Model | 97156 (equivalent to DILFR7K9G) |
| Certification | ISO 9001/TS 16949/EPA 2010 Emission Compliance |
Manufacturer No.
GK3-797156CH825FR7NI33
OEM Part No.
493743254730094937472495585028817973976119
Engine Part No.
Cummins ISL GCummins L9NCummins ISB-GCummins ISB7GCummins C8.3GCummins ISX12G
Interchange No.
GK3-7NGK 97156Champion CH825Bosch FR7NI33Denso GK3-7Autolite 5702
Fitment Vehicles
Cummins ISL G/L9N natural gas engine heavy trucks (Jiefang, Dongfeng, SINOTRUK, Shaanxi Auto, Auman)Cummins ISB-G/C8.3G natural gas engine medium trucks, city buses (Yutong, Kinglong, Zhongtong, Ankai)Cummins ISX12G natural gas engine heavy trucks, trailersCummins natural gas generator set, gas compressor set
Engine System - Industrial Encyclopedia
High-quality aftermarket spark plug 4937432 for Cummins ISL G L9N CNG engines. Compatible with OE numbers 4937432, 5473009, 4937472, 4955850, 2881797, 3976119 and reference numbers GK3-7, 97156, CH825, FR7NI33. Reliable ignition performance for optimal engine operation.
