- ADDRESS:Jinan City, Shandong Province
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com


The clutch booster is a critical component in the hydraulic clutch system that amplifies the driver’s pedal effort, reducing the force required to disengage the clutch and ensuring smooth, precise gear changes. For SINOTRUK HOWO heavy-duty trucks, the OEM number LG9704230209 identifies a premium-quality clutch booster engineered to deliver reliable pneumatic assistance, consistent performance, and long service life under the most demanding operating conditions. As a trusted supplier of Sinotruk howo parts, Deruna offers this genuine clutch booster, manufactured to the strictest OEM specifications.
The LG9704230209 clutch booster features a robust aluminium housing, a precision-engineered pneumatic piston, and a durable diaphragm that provides consistent boost pressure and responsive clutch engagement. Its advanced design minimizes pedal effort, reduces driver fatigue, and delivers reliable clutch disengagement even under heavy loads. Whether you are overhauling a clutch system or replacing a worn booster, this component delivers the control and reliability that SINOTRUK HOWO trucks demand.
OEM direct replacement – no modifications needed | Engineered for SINOTRUK HOWO manual transmission systems
Clutch Booster
Усилитель сцепления
Servo de embrague
Clutch Booster
Усилитель сцепления
Servo de embrague
Clutch Booster
Усилитель сцепления
Servo de embrague
This clutch booster is a precision-engineered pneumatic-hydraulic component designed for SINOTRUK HOWO heavy-duty trucks. It uses compressed air from the vehicle’s air system to assist the driver’s pedal effort, significantly reducing the force needed to disengage the clutch. The LG9704230209 clutch booster is manufactured to exacting OEM tolerances, ensuring a perfect fit and reliable performance in all operating conditions.
The booster features a durable aluminium housing, a high-quality diaphragm, and a precision-machined piston that provides consistent boost pressure and responsive clutch engagement. Its advanced design incorporates a built-in return spring and a mechanical stop that ensures smooth, controlled operation even under heavy loads. The booster is also equipped with a dust cover and breather valve to protect internal components from contamination, ensuring long-lasting reliability in harsh operating environments.
Investing in the genuine LG9704230209 clutch booster ensures that your truck maintains effortless clutch operation, reduces driver fatigue, and delivers consistent, fade-free performance even during heavy hauling and frequent stop-start driving. It is the preferred choice for fleet operators and workshops that demand uncompromised quality and reliability from their clutch actuation components.
| OEM Number | LG9704230209 |
| Part Name | Clutch Booster |
| Brand | SINOTRUK HOWO |
| Component Category | Chassis / Clutch Actuation |
| Housing Material | High-grade aluminium alloy (A380) |
| Weight (approx.) | 2.8 kg (6.2 lbs) |
| Boost Ratio | 6:1 (typical) |
| Maximum Operating Pressure | 8 bar (116 psi) |
| Hydraulic Input Pressure | 80 bar (8 MPa) |
| Operating Temperature Range | -40°C to +100°C |
| Diaphragm Material | High-grade elastomer (EPDM/NBR compound) |
| Port Threads | M12 x 1.5 (air inlet) / M10 x 1.0 (hydraulic outlet) |
| Application | SINOTRUK HOWO A7, T7, 6×4, 8×4, and most heavy-duty models with manual transmissions |
All values are based on OEM engineering specifications for the LG9704230209 clutch booster. Minor deviations may occur due to manufacturing tolerances.
The LG9704230209 housing is manufactured from high-grade aluminium alloy, providing excellent corrosion resistance, lightweight strength, and thermal stability.
The diaphragm is made from a durable EPDM/NBR compound, offering excellent resistance to heat, oil, and aging, ensuring long-lasting sealing performance.
The precision-engineered piston and diaphragm provide a consistent boost ratio of 6:1, ensuring effortless clutch actuation regardless of engine load.
The integrated return spring ensures smooth, controlled pedal return and reduces the risk of clutch drag, extending the life of the clutch system.
The booster is equipped with a durable dust cover and breather valve that protect internal components from contamination, ensuring reliable operation in harsh environments.
With its durable materials and precision construction, this clutch booster delivers long-lasting performance, reducing the frequency of clutch system repairs and maintenance.
The clutch booster is a safety-critical component that directly affects clutch operation, drivability, and driver control. Using a counterfeit or substandard booster can lead to inconsistent pedal feel, premature clutch wear, and even clutch failure. The genuine LG9704230209 clutch booster eliminates these risks through OEM-grade materials, precision manufacturing, and rigorous quality testing.
Key benefits of choosing the authentic LG9704230209:
Deruna sources the LG9704230209 clutch booster directly from authorized manufacturers, subjecting each unit to a thorough quality inspection. We package each component securely to prevent damage during shipping, so it arrives ready for installation.
Proper installation and regular maintenance are essential to maximize the service life and performance of the LG9704230209 clutch booster. Follow these best practices:
Before installing the LG9704230209, inspect the clutch fluid lines and slave cylinder for wear or damage. Replace any worn components to ensure a complete, reliable system.
Fill the hydraulic system with the recommended DOT 3 or DOT 4 brake fluid. Ensure the air supply is clean and regulated to the specified pressure (8 bar).
After installation, bleed the hydraulic system thoroughly to remove air and ensure a firm, responsive pedal feel.
Regularly check the booster for external leaks and inspect the air and hydraulic connections. Replace the booster if any damage or excessive wear is detected.
Always refer to the SINOTRUK HOWO service manual for detailed procedures, torque values, and bleeding instructions. Regular maintenance of the LG9704230209 clutch booster ensures reliable clutch operation and extends the life of the entire clutch system.
The LG9704230209 clutch booster is compatible with a wide range of SINOTRUK HOWO heavy-duty trucks and commercial vehicles, including:
For models not listed, cross-reference your original clutch booster part number with LG9704230209. This component is designed to fit SINOTRUK HOWO manual transmission systems with standard clutch hydraulic and pneumatic configurations. Please consult your vehicle’s service manual or a qualified technician to confirm compatibility.
The LG9704230209 clutch booster is a vital component of the SINOTRUK HOWO clutch actuation system, providing precise hydraulic assistance, consistent pedal feel, and reliable clutch disengagement in the most demanding heavy-duty applications. Its high-quality aluminium construction, precision-engineered diaphragm, and durable seals ensure that your truck delivers smooth gear changes and reduces driver fatigue, time after time.
By choosing the genuine LG9704230209 part, you protect your vehicle from the dangers of inferior aftermarket alternatives – leaks, inconsistent pedal feel, and premature failure. Instead, you invest in a component rigorously tested and validated by SINOTRUK HOWO, giving you peace of mind on every journey. Its superior materials, precision engineering, and corrosion resistance contribute to lower maintenance costs, reduced downtime, and enhanced driver comfort.
As a dedicated supplier of Sinotruk howo parts, Deruna is committed to delivering the LG9704230209 clutch booster with the highest level of quality assurance. Every unit is inspected to meet OEM specifications, ensuring that you receive a product you can trust.
Equip your SINOTRUK HOWO with the genuine LG9704230209 clutch booster – engineered for strength, precision, and uncompromising clutch control.