TORCH Spark Plugs for Weichai WP13NG/WP12NG/WP10NG Natural Gas Engine, OEM No. 1003373173, Part No. 610800190174, Model Fr3K11332
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| Thread Specification | M14 × 1.25 |
| Thread Length | 19 mm (3/4" long thread) |
| Hexagon Side | 16 mm (5/8")/ 20.8 mm (depending on model) |
| Heat Value Grade | Cool-Type (Suited for High Compression Ratio Natural Gas Engines) |
| Center Electrode Material | Iridium / Double Platinum (laser welding) |
| Side Electrode Material | platinum alloy |
| Electrode Gap | 0.7 - 0.8 mm (factory preset) |
| Resistance Value | 5 kΩ |
| Insulator Material | High Strength Aluminum Oxide Ceramic |
| Seal Type | Flat Seat Washer Seal |
| Voltage | ≥ 35 kV |
| Applicable Fuel | CNG / LNG Natural Gas |
Manufacturer No.
Fr3K11332L7RTCF5RTCB8RTCR6gc1-77mLS-R6A13R10P3A7TCL6RTC
OEM Part No.
10033731736108001901741000450457
Engine Part No.
WP13NGWP12NGWP10NGWP7NGWP6NGWP5NGWP4.1NG
Interchange No.
NGK 7022 BPR6HSBosch WR7BCChampion RL82YCDenso IWF20 W20FPR-UNGK 7734 BPR5ESChampion 322 RN11YCDenso 5305 IW16
Fitment Vehicles
Weichai WP13 Natural Gas EngineWeichai WP12 Natural Gas EngineWeichai WP10 Natural Gas EngineJiefang J6F/J7 Heavy Duty TruckShaanxi Auto Delong X3000/X5000Yutong BusHeavy Duty Engineering MachineryNatural Gas Generator Set
Engine System - Industrial Encyclopedia
TORCH spark plugs specially designed for Weichai WP13NG/WP12NG/WP10NG series natural gas engines, corresponding to OEM part numbers 1003373173, 610800190174, and factory model Fr3K11332. Featuring dual platinum/iridium electrodes and laser welding technology, these spark plugs offer excellent resistance to high voltage arcing, corrosion resistance, and long service life. They are perfectly matched with heavy trucks, coaches, and construction machinery equipped with Weichai gas engines such as J6F/J7, Shaanqi Dailong, Yutong buses, and meet the reliable ignition requirements under the sixth emission standard conditions.