XZR8®
Applicable FuelCompressed Natural Gas (CNG) / Liquefied Natural Gas (LNG)
Center Electrode MaterialCentral Electrode: Iridium φ0.7mm; Side Electrode: Platinum/Nickel Alloy Three-Side Electrode Design
Thread SpecificationM14 × 1.25
Thread Length19mm (3/4 inch)
Hexagon Size16mm (5/8 inch)
Line Seal TypeFlat Seat Gasket Seal
Electrode CountFactory Set at 0.3mm (Not adjustable)
ResistanceApprox. 5 kΩ (Built-in resistor to suppress electromagnetic interference)
Temperature GradeEquivalent 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 SpecificationSingle OEM packaging / 6-packs industrial box
Replacement Model97156 (equivalent to DILFR7K9G)
CertificationISO 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.