Weichai WP13NG Spark Plug
| Thread Specification | M14 × 1.25 |
| Thread Length | 19 mm (3/4" long thread) |
| Hexagon Size | 16 mm (5/8")/ 20.8 mm (depending on model) |
| Temperature Grade | Cool-Type (Suited for High Compression Ratio Natural Gas Engines) |
| Center Electrode Material | platinum alloy |
| Electrode Count | 0.7 - 0.8 mm (factory preset) |
| Resistance | 5 kΩ |
| Applicable Insulator Model | High Strength Aluminum Oxide Ceramic |
| Line 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
High-quality aftermarket spark plug for Weichai WP13NG engines. Compatible with OE numbers Fr3K11332, L7RTC, F5RTC, B8RTC, R6gc1-77m, LS-R6A13, R10P3, A7TC, L6RTC. Part numbers 1003373173, 610800190174, 1000450457. Reliable ignition performance for heavy-duty applications.