

The WG9000361014 nut M18x1.5 is a fundamental fastening component for securing threaded connections in heavy‑duty trucks. Its primary function is to provide a controlled clamping force that ensures a tight, leak‑proof seal between mating components. This is especially crucial in air brake systems, where any leakage can compromise braking performance, and in fuel systems, where even minor seepage can lead to efficiency loss or safety hazards. The M18x1.5 thread size is a standard metric fine thread, offering superior holding power and resistance to loosening under vibration. By using the genuine WG9000361014, you guarantee a perfect fit and optimal clamping, eliminating the risk of cross‑threading or inadequate torque that can cause premature failure.
Leak‑Proof Sealing
Precision threads and consistent clamping force ensure a tight, durable seal that withstands high pressure and vibration.
Premium M18x1.5 Thread
Metric fine thread provides superior holding power and resistance to loosening under severe vibration.
Corrosion‑Resistant Build
High‑grade steel with zinc plating offers exceptional resistance to rust, chemicals, and road salts.
OEM‑Exact Fit
Manufactured to Sinotruk’s original specifications – direct replacement with no modifications.
| Parameter | Specification |
|---|---|
| OEM Number | WG9000361014 |
| Product Name | Nut M18x1.5 |
| Brand | HOWO / Sinotruk |
| Thread Size | M18 x 1.5 (metric fine) |
| Thread Standard | ISO 261 (metric fine) |
| Material | High‑strength steel (Grade 8 / 10.9 equivalent) with zinc plating |
| Operating Temperature | -40°C to +120°C |
| Recommended Torque | 30‑35 Nm (lubricated) / 40‑45 Nm (dry) |
| Quality Standard | Original Sinotruk / HOWO OEM specification |
The WG9000361014 nut M18x1.5 is extensively used across the HOWO and Sitrak model ranges, particularly in systems that require secure fastening of threaded connections with a medium‑fine pitch. Typical applications include:
The WG9000361014 nut M18x1.5 is manufactured with uncompromising quality, ensuring it outperforms generic aftermarket alternatives. Made from high‑strength steel and machined to exacting tolerances, every thread is flawlessly formed. The zinc‑plated finish provides a hard, corrosion‑resistant layer that resists rust, chemicals, and road salts, ensuring long‑term durability. The internal thread geometry is optimised to provide consistent clamping force without galling or seizing, ensuring reliable performance even after repeated tightening cycles. Each nut is inspected for thread fit and surface finish to guarantee perfect compatibility with mating components. This dedication to quality delivers reliable, maintenance‑free operation, reducing downtime and extending the service life of your vehicle’s fluid systems.
CNC Precision
Threads machined to micron accuracy for perfect sealing and fit.
Corrosion Protection
Zinc plating offers robust resistance to rust, moisture, and harsh chemicals.
Genuine OEM Quality
Built to Sinotruk’s original specifications – guaranteed fit, form, and function.
100% Dimensional Inspection
Every nut verified against OEM drawings for perfect compatibility.
Installing the WG9000361014 nut M18x1.5 is straightforward, but correct technique ensures a leak‑free and durable connection. Clean the threads of both the nut and the mating component thoroughly, removing any debris or old sealant. Thread the nut onto the fitting by hand to ensure proper alignment, then use a wrench to tighten to the recommended torque (30‑35 Nm lubricated, 40‑45 Nm dry). Avoid over‑tightening, which can damage threads or distort the nut. After installation, pressurise the system and check for leaks with soapy water. If the nut is in a high‑vibration zone, periodically re‑check the torque to ensure it remains secure. Regular inspection for corrosion or thread wear will help maintain long‑term reliability.
Selecting the WG9000361014 genuine nut M18x1.5 directly impacts the safety and reliability of your HOWO or Sitrak truck’s pneumatic and hydraulic systems. Inferior nuts can lead to leaks, pressure drops, and contamination – all of which compromise brake performance, fuel efficiency, and engine cooling. By using a genuine OEM component that adheres to Sinotruk’s exacting standards, you guarantee a perfect seal, optimal flow, and long‑term durability. Fleet operators and workshop professionals consistently trust this nut to maintain system integrity, reduce unplanned downtime, and lower overall maintenance expenses. With its proven precision and robust construction, it is the definitive choice for professionals who demand excellence.
“We have standardised on the WG9000361014 nuts for all our air brake and fuel line connections. The fit and finish are perfect, and we have eliminated leaks at threaded joints. This is the only nut we trust for our fleet.”
The WG9000361014 nut M18x1.5 is designed to fit a broad range of HOWO and Sitrak heavy‑duty trucks, including HOWO‑7, HOWO T series, HOWO A7, Sitrak C7H, T7H, and M5G models. It is a direct replacement for the original nut used in air brake, fuel, and cooling systems across these vehicle families. The M18x1.5 thread is a standard metric fine size, compatible with a wide variety of fittings and adapters. Always verify the OEM number WG9000361014 on the part or packaging to ensure correct application.
HOWO and Sitrak trucks are exposed to the harshest environments – from extreme cold to desert heat, from constant vibration to corrosive road salts. The WG9000361014 nut M18x1.5 is engineered to withstand these challenges. Its high‑strength steel construction and zinc plating resist corrosion and chemical attack, while precision threads maintain integrity under high pressure and temperature variations. The robust design ensures consistent clamping force, preventing loosening even under severe vibration. This nut is built for longevity, providing leak‑free service over the vehicle’s lifetime and reducing the frequency of replacements.
Wide Temperature Range
Reliable from -40°C to +120°C – no loss of sealing or structural integrity.
Vibration Resistant
Robust threads prevent loosening under constant vehicle vibration.
Corrosion Protection
Zinc plating provides long‑term resistance to moisture, salt, and aggressive chemicals.
High Strength
Manufactured from Grade 8 / 10.9 equivalent steel, capable of withstanding high clamping loads.
The WG9000361014 nut M18x1.5 is supplied in protective packaging to ensure safe delivery and convenient storage. Each nut is individually wrapped to prevent thread damage. Bulk packaging options are available for workshops, fleet depots, and OEM service centres, offering cost savings and streamlined inventory. Every pack is clearly labelled with the OEM number, product name, and key specifications for easy identification. Always verify the OEM number WG9000361014 on the label before installation to ensure you are using the correct genuine component.
OEM: WG9000361014 | Genuine HOWO / Sitrak Nut M18x1.5
Choose WG9000361014 nut M18x1.5 – the professional‑grade fastening solution that delivers leak‑proof sealing, exceptional durability, and reliable performance for your HOWO or Sitrak truck.