The reliable operation of a heavy-duty truck’s clutch and brake systems is paramount for safety and performance, heavily dependent on the integrity of its pneumatic circuits. As a fundamental component among essential Sinotruk Howo parts, the Sinotruk Howo Air Line For Clutch Brake is a dedicated pneumatic tubing assembly that ensures precise and consistent air delivery to the clutch brake mechanism.
The Sinotruk Howo Air Line For Clutch Brake is a complete pneumatic tubing kit designed to transmit compressed air from the truck’s main air reservoir to the clutch brake actuator. It is a crucial part of the air-assisted clutch system, which uses pneumatic pressure to reduce the physical effort required by the driver to disengage the clutch, especially in heavy-duty applications.
This assembly typically consists of flexible nylon or plastic pipes (Φ6 mm in this kit), along with all necessary connectors, including various nozzles, union nuts, cutting rings, and sleeves. These components are pre-configured to match the specific routing and connection points on Sinotruk Howo models, ensuring a perfect fit and secure connection.
The clutch brake itself is a device that helps stop the transmission input shaft from spinning during a gear shift, allowing for smoother and quicker engagement of gears, particularly from neutral into first or reverse when the vehicle is stationary. A reliable air line is essential for the immediate and full application of this brake.
Over time, factory air lines can become brittle, cracked, or damaged due to heat, vibration, and exposure. Replacing them with this genuine kit restores system integrity, prevents air leaks that lead to clutch drag or poor shifting, and ensures the clutch brake functions correctly, protecting the transmission from wear and damage during gear changes.
| No | Number of part | Designation |
|---|---|---|
| 1 | 190003179782 | Plastic pipe |
| 2 | WG99112280014 | Nozzle |
| 3 | 190003559496 | Nozzle |
| 4 | Q80406 | Nozzle |
| 5 | Q80106 | Union nut |
| 6 | 190003559516 | Union nut |
| 7 | 190003559561 | Cutting ring |
| 8 | 199014280016 | Sleeve |
Our air line kit is manufactured to the exact original specifications for Sinotruk Howo trucks. This guarantees a perfect fit, correct lengths, and the right types of connectors (nozzles, nuts) to match your vehicle’s existing clutch brake air ports, eliminating adaptation issues and ensuring a seamless installation process.
Cracked or leaking air lines are a common cause of poor clutch disengagement and sluggish gear shifts. Replacing with this high-quality kit restores full air pressure to the clutch brake, ensuring crisp, immediate action. This leads to smoother shifting, reduced driver fatigue, and protection for the transmission synchros.
The plastic pipes and metal fittings in this kit are selected for their durability and resistance to the under-hood environment—heat, oil, and constant vibration. High-quality cutting rings and sleeves create a permanent, leak-free seal at every connection point, providing long-term reliability and eliminating the need for frequent repairs.
We provide everything needed for the job in one package. The kit includes sufficient tubing and all the specialized fittings (multiple nozzle types, union nuts, seals). This saves valuable workshop time, prevents downtime caused by missing parts, and ensures the entire air line circuit is renewed to the same high standard.
In summary, the Sinotruk Howo Air Line For Clutch Brake is a vital maintenance component that directly impacts drivability and component longevity. Neglecting this seemingly simple part of the pneumatic system can lead to increased clutch wear, difficult shifting, and potential damage to more expensive transmission parts. Regular inspection of air lines for cracks, chafing, or loose connections is a recommended preventative measure. When replacement is necessary, using this genuine, model-specific kit is the most reliable and cost-effective solution.
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