| Product Name | Spark Plug |
| Part Number | 4937472 / IR3 |
| Electrode Material | Double Iridium |
| Applicable Fuel | Natural Gas/LPG |
| Thread Size | Standard size |
| Electrode Count | 3 Claws |
| Installation Torque | Standard Torque |
| Working Life | Long-Life Design |
Manufacturer No.
4937472IR3
OEM Part No.
4937472
Engine Part No.
6CTISCeQSC8.34BT6BTISL 8.3LISL 8.9LCGASISLGASGTA 855
Interchange No.
3976119495585049558515443024534059754730104989131492450443027384098162289950328668793979359GK3-7K8IR-3FF-200105002
Fitment Vehicles
Dongfeng Cummins 6CT EngineCummins ISL Series 8.3L/8.9L EngineCummins 4BT/6BT EngineCummins ISCe/QSC8.3 EngineCummins CGAS/ISLGAS Engine
Engine System - Industrial Encyclopedia
Cummins OEM spark plugs, part number 4937472 (IR3), designed specifically for Cummins natural gas engines. Compatible with Dongfeng Cummins 6CT, ISCe, QSC8.3, 4BT, 6BT and ISL series 8.3L/8.9L engines. Features iridium electrodes to enhance ignition efficiency and fuel economy, serving as a reliable replacement part for construction equipment and heavy trucks. Interchangeable parts include 3976119, 4955850, 5443024, etc.