- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
Discover the BY1002029772 Fuel Return Pipe Assembly, a critical fluid management component engineered specifically for SHACMAN truck engines to ensure precise fuel system regulation and optimal combustion efficiency. This genuine OEM assembly is paramount for safely returning excess fuel from injectors and the high-pressure pump back to the tank, maintaining system pressure balance and preventing overheating. As a trusted supplier of Shacman truck parts, we emphasize the importance of precision-engineered fuel system components.
The BY1002029772 is manufactured to exact SHACMAN specifications, guaranteeing perfect compatibility and reliable performance under demanding operating conditions. Its robust design handles hot, pressurized fuel while resisting degradation, making it indispensable for maintaining fuel system integrity, reducing emissions, and ensuring consistent engine power output. Understanding its function is crucial for preventing performance issues and achieving maximum fuel economy.
Fuel Return Pipe Assembly
Топливная Возвратная Трубка в Сборе
Heat-Resistant Hose Construction: The BY1002029772 assembly features specialized fuel-resistant synthetic rubber hoses designed to withstand continuous exposure to hot fuel (up to 120°C) returning from the engine, preventing softening, cracking, or permeation.
Precision-Engineered Metal Lines: Incorporates accurately bent steel or coated metal tubing sections where required for structural rigidity and heat dissipation. These lines feature corrosion-resistant finishes to ensure longevity in harsh under-hood environments.
Leak-Proof Connection System: Utilizes factory-installed, high-quality hose clamps, banjo bolts with copper washers, or quick-connect fittings that provide secure, vibration-resistant seals at every junction, eliminating fuel seepage.
Optimized Flow Routing: Designed with specific routing paths and brackets to prevent kinking, avoid contact with hot surfaces or moving parts, and ensure smooth, unrestricted flow of returned fuel back to the tank.
The table below provides the detailed technical specifications for the BY1002029772 Fuel Return Pipe Assembly. This information is essential for verifying compatibility and ensuring correct installation in your SHACMAN truck’s fuel return system.
| Parameter | Value / Description |
|---|---|
| OEM Part Number | BY1002029772 |
| Product Name | Fuel Return Pipe Assembly |
| Brand | SHACMAN |
| Primary Material (Hose) | Heat-Resistant Fuel Rubber (FKM/Viton) with Reinforcement |
| Primary Material (Lines) | Steel Tubing with Protective Coating |
| Inner Diameter (Hose) | 8 mm (Common, may vary by application) |
| Operating Pressure | Low Pressure (Typically 0.5 – 2 Bar / 7-29 PSI) |
| Temperature Range | -40°C to +130°C |
| Fuel Compatibility | Diesel, Biodiesel Blends (B5-B20), Fuel Additives |
| Connection Types | Banjo Fittings, Hose Barb Connections, Compression Fittings |
| Assembly Type | Complete pre-assembled unit (Hoses, lines, clamps, fittings) |
| Compatible SHACMAN Models | F2000, F3000, X3000 series with common-rail diesel engines (e.g., WP10, WP12 series) |
Always confirm BY1002029772 compatibility with your specific engine model and model year using your Vehicle Identification Number (VIN) or official SHACMAN documentation.
The BY1002029772 Fuel Return Pipe Assembly is a fundamental part of the fuel return or “leak-off” circuit in modern SHACMAN diesel engines. It connects the fuel injectors and the high-pressure fuel pump’s return port to the fuel tank or fuel cooler.
Its primary function is to safely channel unused, pressurized, and heated fuel away from the injection system. This process prevents fuel overheating at the injectors, maintains precise pressure in the common rail, and ensures optimal injector nozzle operation for clean combustion.
For fleet operators, a fully functional return system with the genuine BY1002029772 assembly prevents issues like power loss, rough idling, and excessive smoke. It protects the costly high-pressure injection components from damage caused by aerated or overheated fuel.
For the driver, it contributes to consistent engine performance, reliable cold starts, and adherence to emission standards by ensuring the fuel system operates within its designed thermal and pressure parameters. Replacing worn return lines is a key preventive maintenance task.
1. Relieve residual fuel pressure by following the manufacturer’s safe depressurization procedure for the common rail system.
2. Disconnect the vehicle battery to prevent any electrical shorts during the repair process.
3. Carefully remove the old return pipe assembly, noting its exact routing and the position of all securing brackets and clips.
4. Thoroughly clean the mating surfaces at connection points (injector leak-off ports, pump return port).
5. Install the new BY1002029772 assembly, following the original routing precisely. Ensure hoses are not twisted or stretched.
6. Secure all connections with new sealing washers (if applicable) and tighten fittings to the specified torque.
7. Reconnect the battery, start the engine, and meticulously check the entire assembly for any signs of fuel leaks.
• Inspect the BY1002029772 assembly visually during routine service for cracks, hardening, swelling, or wetness indicating seepage.
• Check for a strong diesel smell in the engine compartment, which can be a sign of a small, evaporative leak from the return lines.
• Replace the entire assembly if any part is damaged. Do not attempt to patch or splice fuel return hoses.
• Ensure the assembly is properly clipped and routed away from hot exhaust components to prevent premature heat aging.
• Use only fuel with the recommended specifications to prevent accelerated degradation of rubber components from aggressive additives.
Correct installation of the BY1002029772 is vital for system safety and performance. Always use new sealing elements (copper washers, O-rings) supplied with the assembly to guarantee a leak-free seal.
Choosing the genuine BY1002029772 Fuel Return Pipe Assembly guarantees material compatibility, precise fitment, and long-term reliability that generic or aftermarket parts cannot match. SHACMAN designs this component with specific materials to handle the thermal and chemical challenges of hot diesel fuel.
Aftermarket assemblies often use inferior rubber compounds that may not withstand continuous high-temperature exposure, leading to premature cracking and dangerous fuel leaks. Their fittings may not align perfectly, causing stress on connections. The genuine BY1002029772 is tested as a complete unit for durability, leak integrity, and proper flow.
Investing in the OEM part ensures your fuel system operates as designed, protects your engine’s warranty, and provides the peace of mind that comes with SHACMAN’s rigorous quality standards. It is the definitive choice for maintaining system integrity and operational safety.
The BY1002029772 is highly regarded by SHACMAN technicians and independent diesel repair shops for its reliability and exact fit. Its pre-assembled design drastically reduces installation time and eliminates guesswork compared to piecing together universal hoses and fittings.
Fleet maintenance records indicate that using genuine fuel system components like the BY1002029772 correlates with fewer unscheduled repairs related to fuel leaks and injector performance issues. This reliability is critical for maximizing vehicle uptime and controlling maintenance costs.
Operators report that after replacing old, brittle return lines with the BY1002029772, engines run smoother, with less smoke and more consistent power delivery, highlighting the critical role a sealed return system plays in overall engine health.
The BY1002029772 assembly plays a direct role in environmental protection and workplace safety. A leak-tight return system prevents diesel fuel from dripping onto hot engine components, roadways, or into the soil, eliminating fire risks and pollution.
By ensuring proper fuel return and cooling, the assembly helps maintain optimal combustion efficiency, which minimizes the engine’s output of unburned hydrocarbons and particulate matter, aiding in emission compliance.
SHACMAN’s production of durable, long-lasting components like the BY1002029772 supports sustainable practices by reducing the frequency of replacements and the associated waste stream, contributing to a lower lifecycle environmental impact.
Every BY1002029772 assembly is subjected to comprehensive quality control, including pressure testing, material verification, and dimensional checks to ensure it meets SHACMAN’s exacting standards for performance and safety.
As a genuine SHACMAN component, the BY1002029772 is covered by the manufacturer’s warranty against defects in materials and workmanship, providing customers with confidence and protection for their investment.
Purchasing from authorized sources guarantees the authenticity of the part, full warranty benefits, and access to technical support, ensuring the repair is completed correctly and reliably.
While the initial cost of the genuine BY1002029772 may be higher than universal parts, its long-term value is significantly greater. It prevents the high costs associated with fuel leak-related failures: environmental cleanup, fire risk, injector damage, and extended downtime.
Its precise fit reduces labor time, and its durability ensures it lasts through the recommended service intervals. For fleet management, standardizing on OEM parts like the BY1002029772 simplifies inventory, improves repair predictability, and enhances overall fleet reliability and resale value.
This proactive approach to fuel system maintenance with genuine components is a cornerstone of a cost-effective, reliable, and compliant trucking operation.
The BY1002029772 Fuel Return Pipe Assembly is engineered for specific SHACMAN engine families and their corresponding fuel system layouts. Compatibility is determined by the engine model (e.g., WP10.336N, WP12.400E) and the configuration of the injection system.
Using the exact OEM number BY1002029772 when ordering is crucial to receive the assembly with the correct hose lengths, bend angles, and fitting types for your engine. This guarantees a hassle-free installation and optimal system function.
Always verify fitment using the latest SHACMAN parts catalog with your engine serial number or VIN to ensure 100% compatibility and avoid installation issues.
The BY1002029772 Fuel Return Pipe Assembly is a vital, yet often overlooked, component that ensures the stability and efficiency of your SHACMAN truck’s high-performance diesel engine. Its role in managing fuel temperature and pressure is fundamental to reliable operation.
Choosing the genuine BY1002029772 is a direct investment in your vehicle’s longevity, performance, and safety. Trust SHACMAN’s OEM engineering to deliver the precision and durability required for heavy-duty applications.
Ensure your next fuel system service is performed with confidence. Select the authentic BY1002029772 Fuel Return Pipe Assembly for guaranteed compatibility, superior performance, and enduring reliability on every journey.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
