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Discover the critical BY612630090014 O-Ring, a precision-molded sealing component essential for maintaining leak-proof integrity within high-pressure SHACMAN diesel fuel systems. This genuine OEM seal, though small in size, plays an outsized role in preventing fuel leaks, maintaining injection pressure, and ensuring optimal engine performance. As a leading supplier of Shacman truck parts, we understand that the reliability of the entire fuel system often hinges on the quality of seals like the BY612630090014.
Manufactured to exact SHACMAN material specifications, this O-ring is designed to withstand extreme pressures, aggressive modern diesel fuels, and wide temperature fluctuations. Its failure can lead to dangerous high-pressure fuel leaks, pressure loss, and costly component damage. Using the correct BY612630090014 during fuel system service is not just a detail—it’s a fundamental requirement for safety, efficiency, and long-term reliability in demanding heavy-duty applications.
O-Ring
Уплотнительное Кольцо
Advanced Fuel-Resistant Elastomer: The BY612630090014 is molded from a specialized compound such as FKM (Fluorocarbon/Viton) or HNBR, offering exceptional resistance to degradation from modern diesel, biodiesel blends, and aggressive fuel additives.
Precision Dimensional Accuracy: Manufactured to ultra-tight tolerances, ensuring perfect cross-sectional diameter, inner diameter (ID), and outer diameter (OD) for a reliable seal in its specific groove without over-compression or gaps.
High-Pressure and Temperature Stability: Engineered to maintain elasticity and sealing force under continuous exposure to common rail pressures exceeding 2000 bar and temperatures from -40°C to over 150°C, preventing extrusion or compression set.
Optimized Surface Finish: Features a smooth, flawless surface free of molding imperfections, flash, or porosity, which is critical for creating an initial seal and preventing micro-leak paths under dynamic pressure cycling.
The table below provides detailed technical specifications for the BY612630090014 O-Ring. This information is essential for verifying compatibility and ensuring correct application in your SHACMAN truck’s fuel system.
| Parameter | Value / Description |
|---|---|
| OEM Part Number | BY612630090014 |
| Product Name | O-Ring |
| Brand | SHACMAN |
| Primary Material | FKM (Viton) or High-Performance HNBR |
| Color (Standard) | Black or Brown (Material Dependent) |
| Inner Diameter (ID) | Precise measurement as per SHACMAN drawing |
| Cross-Section (Thickness) | Precise measurement as per SHACMAN drawing |
| Temperature Range | -40°C to +200°C (Short Peak), Continuous to +150°C |
| Pressure Rating | Up to 2500 Bar (36,250 PSI) with proper groove design |
| Fuel Compatibility | Ultra-Low Sulfur Diesel, Biodiesel (B100), Additives |
| Application | High-Pressure Fuel Rail, Injector, Pump Connections |
| Compatible SHACMAN Models | X3000, M3000, F3000 with common rail engines (e.g., WP10, WP12, WP13) |
Always confirm BY612630090014 compatibility with your specific fuel system component using the official SHACMAN parts catalog or your Vehicle Identification Number (VIN).
The BY612630090014 O-Ring is deployed at critical static sealing points within the SHACMAN high-pressure fuel circuit. Typical locations include the interfaces between the fuel rail and injectors, between rail sections, or at the high-pressure pump outlet.
Its function is to create a perfect, leak-free barrier capable of containing extreme fuel pressure. It seals the microscopic gaps between precisely machined metal components, preventing fuel from escaping and air from entering the system.
In the high-pressure environment, the BY612630090014 is subjected to relentless pulsating forces. Its material must deform enough to fill the groove yet resist extrusion into the gap. A failure here results in a direct high-pressure fuel leak, leading to pressure loss, poor engine performance, and a serious fire hazard.
This O-ring also acts as a thermal barrier and damper, absorbing some vibration between components. Its reliability is non-negotiable for maintaining injection timing accuracy, fuel economy, and meeting stringent emission standards.
1. Depressurize the fuel system completely according to the service manual. Clean the work area meticulously.
2. Remove the component (e.g., fuel line, injector) requiring the new O-ring. Place it on a clean, lint-free surface.
3. Remove the old O-ring using a dedicated plastic pick or tool. Never use sharp metal tools that can score the sealing groove.
4. Thoroughly clean the O-ring groove and the mating surface with isopropyl alcohol or a specified cleaner. Ensure no debris remains.
5. Inspect the new BY612630090014 O-ring. Lightly lubricate it with clean diesel fuel or the assembly lubricant specified by SHACMAN.
6. Carefully stretch and roll the O-ring into its groove evenly. Ensure it is not twisted and sits perfectly within the groove.
7. Reassemble the components, following the specified torque sequence and values. Never over-tighten to compensate for a suspected bad seal.
• Always store BY612630090014 O-rings in their original packaging, away from direct sunlight, ozone, and extreme temperatures.
• Inspect the O-ring before installation for any nicks, cuts, flat spots, or signs of dryness/cracking. Discard if any defect is found.
• Use a “first in, first out” inventory system. O-rings have a shelf life; do not use old, deteriorated seals.
• Never reuse an O-ring that has been compressed in service. Always replace with a new BY612630090014 during any disassembly.
• Keep seals away from contaminants like grease, dirt, or incompatible cleaning fluids before installation.
• After installation, prime the system and check for leaks immediately with the engine off (low pressure) and then running (high pressure).
Proper installation of the BY612630090014 is a skill that prevents comebacks. Taking extra care during cleaning and installation is far cheaper than dealing with a high-pressure fuel leak.
Choosing the genuine BY612630090014 O-Ring is a critical safety and performance decision. SHACMAN specifies a unique elastomer compound with a precise hardness (durometer) and additive package tailored for their fuel and operating conditions.
Generic O-rings from hardware stores or non-OEM kits are almost certainly made from inferior materials like standard NBR. These will degrade quickly in high-pressure diesel, leading to swelling, hardening, and catastrophic failure. Their dimensions may also be slightly off, causing improper sealing or extrusion.
The genuine BY612630090014 is batch-tested for material properties, dimensions, and pressure resistance. It is the only seal guaranteed to perform in that specific application, protecting your investment in expensive fuel injectors, rails, and pumps.
Master technicians emphasize that 90% of high-pressure fuel leaks post-repair are due to incorrect or inferior seal installation. Using the genuine BY612630090014 eliminates one major variable, leading to reliable, leak-free reassembly.
Fleet workshops that standardize on OEM seal kits report a dramatic reduction in comebacks related to fuel leaks. This builds customer trust and improves workshop throughput and profitability.
The consistent quality and fit of the genuine part mean technicians can install them with confidence, knowing they will perform as expected under the hood’s most demanding conditions.
A single failed O-ring like the BY612630090014 can release a fine mist of high-pressure diesel, creating an extreme fire hazard and violating environmental regulations regarding hydrocarbon release.
By ensuring a perfect seal, it prevents fuel waste and the associated CO2 emissions from extracting, refining, and transporting the lost fuel. It also prevents soil and groundwater contamination in the event of a leak.
Using a durable, long-lasting OEM seal reduces the frequency of replacements, minimizing waste generation from packaging and failed parts over the vehicle’s lifecycle.
Each batch of BY612630090014 O-rings is subject to rigorous material testing (e.g., hardness, compression set, fuel immersion tests) and dimensional verification using precision gauges.
As a genuine SHACMAN component, it carries the manufacturer’s warranty support. This warranty underscores the confidence in its performance and provides recourse in the highly unlikely event of a material defect.
Purchasing from authorized channels is the only way to guarantee you receive the authentic, specification-compliant BY612630090014, ensuring performance and safety.
The cost of a genuine BY612630090014 O-Ring is negligible compared to the labor cost of diagnosing a fuel leak, the tow bill for a stranded truck, or the price of a new fuel rail damaged by a leaking seal.
Its reliability ensures the repair is done once, correctly. This saves immense time and money for fleets by maximizing vehicle uptime and eliminating warranty comebacks.
Investing in the correct OEM seal is the ultimate example of “paying a little now to save a lot later.” It is the most cost-effective component in any fuel system repair.
The BY612630090014 O-Ring is designed for one or several very specific sealing points within a SHACMAN fuel system. Using a seal with even a 0.1mm difference in cross-section can lead to failure.
The OEM number BY612630090014 guarantees the exact material, hardness, and dimensions required for that specific groove and pressure application. Do not substitute based on “looks similar.”
Always use the official parts catalog to identify the correct seal for the job. When in doubt, replace with the same part number that was originally installed by the factory.
The BY612630090014 O-Ring exemplifies that the smallest component often carries the greatest responsibility. Its role in sealing the heart of the high-pressure fuel system is absolutely critical to safety, performance, and compliance.
Choosing the genuine BY612630090014 is a commitment to professional repair standards, operational safety, and the long-term health of your SHACMAN engine. Never compromise on the seal.
For your next fuel system service, insist on the authentic SHACMAN BY612630090014 O-Ring. Secure the pressure, prevent the leak, and drive with the confidence that comes from perfect sealing.
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