OEM WG880410052
Experience leak‑free operation with the WG880410052 O-Ring, a precision‑engineered elastomeric seal designed for SINOTRUK Howo heavy‑duty engines, transmissions, and hydraulic systems. This genuine O‑ring is a vital part of our premium Sinotruk howo parts portfolio. Manufactured from high‑grade nitrile rubber (NBR), the WG880410052 O‑ring delivers exceptional resistance to oils, fuels, and coolants, ensuring a reliable, long‑lasting seal in critical applications.
| Parameter | Specification |
|---|---|
| OEM Number | WG880410052 |
| Product Name | O-Ring (Nitrile Rubber) |
| Material | NBR (nitrile) 70 Shore A |
| Inner Diameter | 18.0 mm |
| Cross‑Section (C.S.) | 2.5 mm |
| Hardness | 70 ±5 Shore A |
| Temperature Range | -30°C to +120°C |
| Pressure Rating | Up to 150 bar (static) |
| Standard | DIN 3771 / ISO 3601 |
| Compatible Models | Howo HW19710 / HW19712, A7, T7H, ZZ4257, ZZ1257 |
Formulated from high‑grade nitrile rubber, the O‑ring offers excellent resistance to mineral oils, greases, and fuels, ensuring long‑term sealing integrity.
Each O‑ring is compression‑molded to exact dimensional tolerances, ensuring a perfect fit in the groove and consistent sealing pressure.
Operates reliably from -30°C to +120°C, making it suitable for both cold starts and high‑temperature engine environments.
Every O‑ring is visually inspected and dimensionally verified, guaranteeing zero defects and consistent quality.
This O‑ring is a direct replacement for the following SINOTRUK Howo sealing positions:
The WG880410052 O‑ring is a precision‑engineered sealing element manufactured from high‑quality nitrile rubber (NBR). This material is chosen for its excellent resistance to petroleum‑based oils, fuels, and greases, making it ideal for use in engines, transmissions, and hydraulic systems. The compound is formulated to provide a 70 Shore A hardness, balancing flexibility with resistance to extrusion under pressure.
In heavy‑duty Howo trucks, O‑rings are used in countless locations where fluid containment is critical. The WG880410052 O‑ring is specifically designed to fit into standard metric grooves, providing a reliable static or dynamic seal. Its cross‑section of 2.5 mm and inner diameter of 18.0 mm conform to ISO 3601 standards, ensuring interchangeability and a perfect fit every time.
The manufacturing process begins with mixing the NBR compound to precise specifications, followed by compression molding in multi‑cavity tools. After curing, each O‑ring is trimmed and inspected for flash and dimensional accuracy. The result is a burr‑free, consistent seal that will not leak even under high pressure and temperature fluctuations.
Installation of this O‑ring requires care to avoid twisting or pinching. Lubricate the O‑ring with a thin film of assembly oil or grease before inserting it into the groove. Never use sharp tools that could damage the surface. Ensure that the gland surfaces are clean and free of burrs. After assembly, a light pressure test can verify the seal integrity.
Quality control for the WG880410052 includes 100% visual inspection for surface defects, such as cracks, porosity, or incomplete fills. Samples from each batch are tested for hardness, tensile strength, and elongation. Dimensional checks are performed using optical comparators and go/no‑go gauges. These rigorous tests guarantee that every O‑ring meets SINOTRUK’s stringent requirements.
Environmental sustainability is considered in production. The NBR compound is free from hazardous substances and complies with RoHS directives. Scrap material from the molding process is recycled into industrial products. At the end of its service life, the O‑ring can be disposed of safely as it contains no toxic components.
For maintenance departments, the WG880410052 O‑ring is available individually or in multi‑pack kits. Each O‑ring is packaged in a sealed polybag to protect it from dust and ozone. Bulk orders are shipped in partitioned boxes with clear labeling. A certificate of conformance with batch test data is included with every shipment.
Field feedback from over 200 fleet workshops indicates that using the genuine WG880410052 O‑ring eliminates oil seepage at critical connection points, a common problem with inferior aftermarket O‑rings that shrink or harden over time. Technicians report a perfect fit every time, with no need for additional sealants. Fleet managers value the reduction in fluid consumption and lower maintenance costs.
When ordering, always verify the required inner diameter and cross‑section. The WG880410052 is specifically sized for applications requiring an 18.0 mm ID with a 2.5 mm cross‑section. For other sizes, consult the SINOTRUK parts catalog. Technical support is available through your local dealer – no contact details are listed here, in line with our policy.
In summary, the WG880410052 O‑ring is a small but essential component that ensures the sealing integrity of your SINOTRUK Howo engine, transmission, and hydraulic systems. Its precision manufacture, high‑quality material, and proven reliability make it the ideal choice for any heavy‑duty application.
During routine service, inspect the area around O‑ring seals for signs of leakage. If fluid is present, replace the WG880410052 O‑ring immediately. Check for cracks, swelling, or hardening of the rubber.
Always lubricate O‑rings with compatible assembly fluid before installation to prevent rolling or tearing. Never use petroleum‑based greases that can damage the rubber.
Only the authentic WG880410052 O‑ring uses the exact NBR compound and hardness specified by SINOTRUK. Aftermarket imitations often use inferior rubber that can harden, crack, or lose compression over time, leading to fluid leaks and component damage. The genuine O‑ring is 100% inspected and traceable to an ISO 9001 certified facility. Fleet data shows that OEM O‑rings reduce seal‑related failures by 70%.
Preparation: Clean the groove and mating surfaces. Remove any old sealant or debris. Lubricate the WG880410052 O‑ring with a compatible assembly fluid.
Installation: Gently place the O‑ring into the groove, ensuring it is not twisted. Assemble the components carefully, using even pressure. Torque fasteners to specification.
After assembly, perform a pressure or vacuum test to verify the seal. If leakage occurs, disassemble and inspect for damage; replace the O‑ring if necessary.
The optimized material and precise dimensions guarantee a perfect seal, eliminating fluid loss and ensuring system reliability.
The NBR compound retains its elasticity from -30°C to +120°C, ensuring reliable performance in all climates.
NBR compound is RoHS compliant; production scrap is recycled into industrial products.
At end of life, the O‑ring is non‑hazardous and can be disposed of with general industrial waste.
Every WG880410052 O‑ring is laser marked with the part number for easy identification. When you order from our official distribution channel, you receive the latest production batch with consistent material properties and precise dimensions.
To verify authenticity, check the uniform color and the clean molding flash. Our global network ensures rapid delivery to any heavy‑duty workshop. Trust this O‑ring to keep your Howo engine and transmission sealed and reliable – it’s the small component that makes a big difference.
WG880410052 – 100% Genuine SINOTRUK Howo O‑Ring • Built for the long haul • No forms, just quality parts.
