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202V15201-6227 Exhaust Brake Valve for Sinotruk HOWO T7H T5G SITRAK C7H C9 Truck Spare Parts
Product Overview
Exhaust Brake Valve (Exhaust Elbow with Butterfly Brake Valve)
Part Number: 202V15201-6227
Technical Specifications
Part Number
202V15201-6227
Part Name
Exhaust Elbow - With Integrated Butterfly Brake Valve
Main Material
High-strength cast iron and structural steel; resistant to high thermal stress and mechanical deformation
Max Working Pressure
Up to 1000 kPa (~145 psi)
Max Operating Temperature
Up to 500°C (932°F) -- suitable for direct exhaust gas exposure
Valve Type
Pneumatically or electronically actuated butterfly valve (disc-type closure)
Function
Controls exhaust backpressure to enable engine compression braking
Design Integration
Combined exhaust ifold elbow and brake valve in one integrated assembly
Quality Standards
Complies with ISO9001 quality agement system standards
Weight & Dimensions
Varies by model; typically heavy-duty compact design (~8-12 kg), precise dimensions matched to OEM engine layout
Perforce Characteristics
Auxiliary Braking Function: Acts as a key component of the engine exhaust braking system. When activated, it restricts the exhaust flow, increasing backpressure and enhancing engine braking torque -- especially effective during downhill driving.
Improved Vehicle Safety: Provides significant deceleration force without relying solely on service brakes, reducing the risk of brake fade or failure in prolonged braking situations.
Reduces Wear on Service Brakes: By utilizing engine braking, it minimizes thermal load and mechanical wear on wheel-end friction brakes, extending their service life.
Fast Response Time: The butterfly valve design allows rapid opening and closing upon comd from the vehicle's braking control system, ensuring immediate engagement and disengagement.
High Reliability & Durability: Built using TG series original technology and production standards, ensuring consistent perforce under continuous heavy-duty operation.
Sealing Integrity: Equipped with high-temperature resistant seals to prevent exhaust leakage and maintain optimal backpressure control.
Compatible Vehicles & Engines
Primary Compatible Vehicle Models:
Sinotruk SITRAK Series (Shan-de-ka): C5H, C7H, C9H, T7H, T5G
Used across long-haul, premium heavy-duty transport applications
Compatible Engine Platforms:
MC11 Series Diesel Engine (e.g., MC11.44, MC11.46)
MC13 Series Diesel Engine (e.g., MC13.54)
Power range: 320 HP to 540 HP, meeting China IV/V emission standards
Other Potential Applications:
Trucks built with TGA technology license or those using similar MC-series engines may also be compatible -- fitment verification required.
Cross Reference / Interchangeable Part Numbers
Supplier / Brand
Part Number(s)
Notes
OEM (Sinotruk)
202V15201-6227
Original factory designation
OEM (Sinotruk)
202V15201-6188
Similar design, possible variant or earlier revision
OEM (Sinotruk)
202V15201-6178
Alternative configuration; check compatibility
Aftermarket Brands
Rare direct equivalents
Some suppliers offer "compatible" versions but quality varies significantly
Genuine Parts
May have technical correspondence
Not always identical due to localization differences
Usage & Maintenance Guidelines
Recommended Practices:
Regular Functional Inspection: Check every 10,000 km or during routine maintenance to ensure proper valve operation and identify signs of sticking, corrosion, or physical damage.
Carbon Deposit Cleaning: Periodically clean internal components using approved high-temperature cleaners or ultrasonic methods to prevent incomplete closure and valve seizure.
Inspect Actuator & Linkage: Verify that pneumatic actuator, air lines, and connecting rods operate smoothly without leaks.
Check Seals & Gaskets: Replace worn or cracked exhaust gaskets and valve seals during servicing to prevent exhaust gas leaks.
Monitor System Perforce: Inspect exhaust brake system if experiencing loss of engine braking effect, unusual noise, or inconsistent operation.
Common Mistakes to Avoid:
Using low-quality replacements not designed for high-temperature environments
Ignoring carbon buildup until valve failure occurs
Forcing movement of a stuck valve without disassembly
Operating the exhaust brake continuously for extended periods without cooling breaks
Important Operational Warning: The exhaust brake is an auxiliary braking system, not a substitute for the primary service brake. It should never be used as the only means of stopping, especially in emergency situations. Avoid overuse in urban driving where frequent on/off cycling may accelerate wear.
Additional Notes
Critical Safety Component: Plays a vital role in safe downhill descent, mountain driving, and fleet operations where brake reliability is essential.
Integration with Vehicle Electronics: Often linked to the ECU and driver controls; malfunction may trigger warning lights or fault codes.
Environmental Resistance: Designed to endure harsh operating conditions including vibration, thermal cycling, road splash, and corrosive exhaust gases.
Shaanxi Jufeng Delong Trading Co., Ltd. is loed in Xi'an, Shaanxi Province, specializing in the production and sales of automotive engine parts, transmission parts, steering parts, suspension parts, brake parts, body parts, and electrical parts. In addition, we also provide accessories for heavy... Shaanxi Jufeng Delong Trading Co., Ltd. is loed in Xi'an, Shaanxi Province, specializing in the production and sales of automotive engine parts, transmission parts, steering parts, suspension parts, brake parts, body parts, and electrical parts. In addition, we also provide accessories for heavy...
