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Discover the critical function of the BY1001877674 Oil-Air Separator Air Outlet Pipe, an essential OEM ventilation component for SHACMAN diesel engines. This genuine part forms the final leg of the closed crankcase ventilation (CCV) system, responsible for safely routing cleaned air from the oil separator back to the engine’s intake or atmosphere. As a trusted provider of reliable Shacman truck parts, we understand that a functional CCV system is vital for engine longevity and emission control. The BY1001877674 is manufactured to precise SHACMAN specifications, ensuring a perfect fit and resistance to oil vapors and heat.
Its role is to prevent the discharge of oily mist into the environment while maintaining proper crankcase pressure. Understanding the importance of this outlet pipe is key for preventing oil consumption, turbocharger contamination, and ensuring compliance with emission standards in heavy-duty operation.
Oil-Air Separator Air Outlet Pipe
Выпускной воздухопровод масловоздушного сепаратора
Oil-Resistant Rubber or Silicone Construction: The BY1001877674 pipe is crafted from high-grade, heat-stabilized rubber or silicone, offering excellent resistance to engine oil, diesel, and ozone, preventing swelling, cracking, and degradation over time.
Reinforced Internal Structure: Features fabric or wire reinforcement embedded within the hose wall to prevent collapse under vacuum, maintain a consistent internal diameter for proper airflow, and resist kinking during installation.
Secure, Clamp-Ready Connection Ends: Designed with molded, beaded, or flanged ends that provide a positive sealing surface for hose clamps, ensuring a leak-tight connection to the separator and intake system.
Optimized Bend Geometry: Engineered with pre-formed bends or sufficient flexibility to route clean air efficiently within the tight confines of the engine bay without restricting flow or contacting hot components.
The table below details the technical specifications for the BY1001877674 Oil-Air Separator Air Outlet Pipe. This data is crucial for verifying compatibility and ensuring proper system function.
| Parameter | Value / Description |
|---|---|
| OEM Part Number | BY1001877674 |
| Product Name | Oil-Air Separator Air Outlet Pipe |
| Brand | SHACMAN |
| Primary Material | Oil-Resistant FKM (Viton) Rubber or Reinforced Silicone |
| Inner Diameter (I.D.) | 22 mm (Example – Model Specific) |
| Length | 350 mm (Example – Model Specific) |
| Temperature Range | -40°C to +180°C (Continuous) |
| Reinforcement | Textile or Spring Wire (Anti-Collapse) |
| Connection Type | Molded Hose with Beaded Ends for Clamp (e.g., 32mm) |
| Pressure Rating | Vacuum and Low Pressure (CCV System) |
| Compatible Systems | SHACMAN Crankcase Ventilation (CCV) on WP10, WP12 engines |
Always verify BY1001877674 compatibility with your specific SHACMAN engine model using your Vehicle Identification Number (VIN) or official service documentation.
The BY1001877674 pipe is a dedicated component of the engine’s closed crankcase ventilation (CCV) system. It connects directly to the outlet port of the oil-air separator or cyclone breather.
This separator removes oil droplets and mist from the blow-by gases that escape past the piston rings. The cleaned air then exits through the BY1001877674 outlet pipe.
This clean air is typically routed back into the engine’s intake system ahead of the turbocharger. This is done to be burned during combustion, reducing hydrocarbon emissions.
In some configurations, it may vent to the atmosphere via a clean air tube. The primary function of the BY1001877674 is to provide a sealed, durable passage for this cleaned vapor.
It prevents any residual oil from leaking onto the engine or ground. A failed or cracked outlet pipe can cause several problems.
It can create an unmetered air leak, upsetting engine tuning. It can also allow oily vapors to contaminate the engine bay or lead to increased oil consumption.
1. Allow the engine to cool. Locate the oil-air separator and identify the clean air outlet port.
2. Loosen and remove the clamp securing the old BY1001877674 pipe. Carefully remove the old pipe from both the separator and the intake connection.
3. Clean the outlet port on the separator and the intake nipple thoroughly. Remove any old rubber residue, oil, or debris.
4. Inspect the new BY1001877674 pipe for any defects. Lightly lubricate the inside of the pipe ends with a small amount of soapy water or silicone spray to ease installation.
5. Push the pipe firmly onto the separator outlet and the intake connection, ensuring it is fully seated over the bead or barb.
6. Position new, correct-sized hose clamps over each connection. Tighten the clamps securely, but do not overtighten to avoid cutting the hose.
7. Ensure the pipe is routed without sharp kinks or contact with hot or moving parts. Start the engine and check for any air leaks or unusual noises.
• During routine engine inspections, visually check the entire length of the BY1001877674 pipe for signs of cracking, hardening, oil soaking, or swelling.
• Feel along the pipe for soft spots or areas that have become spongy, which indicate material breakdown and imminent failure.
• Check both connection points for signs of oil residue or wetness, which could indicate a poor seal or a crack at the hose end.
• Ensure the hose clamps are tight and not corroded. Vibration can loosen clamps over time, leading to leaks.
• If the engine is consuming oil excessively or the turbocharger is contaminated with oil, inspect the entire CCV system, including the BY1001877674 pipe.
• Replace the BY1001877674 pipe as a preventative measure during major engine service or if any signs of deterioration are present.
Correct routing is essential. A kinked BY1001877674 pipe can restrict crankcase ventilation, leading to increased pressure, seal leaks, and reduced engine efficiency.
Choosing the genuine BY1001877674 outlet pipe guarantees the material formulation and construction quality required for this specific application. SHACMAN specifies rubber compounds that resist engine oil and heat.
Aftermarket hoses may use generic materials that quickly degrade when exposed to oil vapors. They can become soft, swell, and eventually crack or collapse under vacuum.
The genuine BY1001877674 is engineered with the exact internal diameter and reinforcement to handle the specific flow and vacuum levels of the SHACMAN CCV system without collapsing.
Its precise length and bend geometry ensure a perfect fit, eliminating stress on connections and the risk of improper routing that could cause premature failure.
Technicians report that the genuine BY1001877674 pipe installs easily, fits perfectly, and the clamps seat securely on the molded beads, providing confidence in a leak-free connection.
Fleet maintenance managers note that using OEM ventilation components like the BY1001877674 leads to fewer oil leak complaints and more stable oil consumption figures across their fleet.
The durability of the genuine hose in high-temperature engine bay environments is frequently praised. It remains flexible and intact for years, unlike some aftermarket parts that harden and crack quickly.
Operators in dusty conditions appreciate that a secure CCV system with a reliable outlet pipe helps prevent dust ingestion into the crankcase, contributing to overall engine cleanliness.
The BY1001877674 pipe plays a direct role in emission control. By ensuring crankcase vapors are properly routed to be burned, it reduces hydrocarbon emissions released into the atmosphere.
A intact CCV system prevents oil from leaking onto the ground, protecting soil and water sources from contamination. This is a key aspect of environmentally responsible operation.
SHACMAN’s use of durable, long-lasting materials in the BY1001877674 reduces waste from frequent replacements and supports the sustainability goals of fleet operations.
From a safety standpoint, a failed outlet pipe can drip oil onto hot exhaust components, creating a fire hazard. It can also cause slippery patches on the chassis or ground.
Each BY1001877674 pipe is manufactured under strict quality control. This includes material testing for oil resistance, heat aging, and verification of dimensions and reinforcement.
As an authentic SHACMAN component, the BY1001877674 is covered by the manufacturer’s standard parts warranty, assuring customers of its performance and durability.
Purchasing from authorized channels guarantees you receive a genuine part with this warranty protection. It also ensures the hose is made to the correct specification for your engine.
Using certified genuine parts like this helps maintain the integrity of the vehicle’s emission system, which is important for regulatory compliance and resale value.
The genuine BY1001877674 may have a modest cost premium, but it prevents far more expensive issues. A failed pipe can lead to oil consumption, contaminated intake systems, and potential turbocharger damage.
Its precise fit saves installation time and eliminates the need for modifications or makeshift repairs with universal hose, which often fail prematurely.
Standardizing on OEM ventilation components across a fleet ensures predictable maintenance outcomes and reduces diagnostic time for oil-related issues.
Investing in this genuine part protects the engine’s internal health and emission control functionality, supporting lower total cost of ownership and higher vehicle uptime.
The BY1001877674 outlet pipe is designed for specific SHACMAN engine models and their corresponding oil-air separator designs. Fitment depends on engine family and model year.
The inner diameter, length, bend angles, and connection end sizes are critical. A universal hose of similar size will not provide the same reliable, long-term performance.
Always confirm fitment by using the exact OEM part number BY1001877674 and cross-referencing it with your engine’s configuration through official SHACMAN resources.
Correct fitment ensures the CCV system operates as designed, maintaining proper crankcase pressure and ensuring effective oil vapor separation and management.
The BY1001877674 Oil-Air Separator Air Outlet Pipe is a vital link in your SHACMAN engine’s emission control and longevity strategy, ensuring clean operation and environmental compliance.
Choosing the genuine BY1001877674 is an investment in a durable, reliable seal for your crankcase ventilation system, protecting engine components and optimizing performance.
For your next maintenance service or CCV system repair, insist on the authentic SHACMAN BY1001877674 outlet pipe. Ensure efficient vapor management, prevent oil leaks, and drive with the confidence of a fully sealed system.
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