Fitment & Compatibility
：
WG9925520223 is a balance shaft oil seal (size 160×194×10.5) designed specifically for Sinotruk HOWO series heavy-duty trucks.
It is installed on the vehicle balance shaft to seal grease/oil, prevent leakage, and block external dust and muddy water intrusion, ensuring a stable lubrication environment for balance shaft bearings and other components.
Manufactured strictly in accordance with original factory technical standards, it is a direct replacement OE-style part with no additional modification required for installation.
It fits Sinotruk HOWO series trucks and is also compatible with matching heavy-duty vehicles with the same specification balance shaft structure, such as Shacman and Dongfeng.To confirm compatibility with your vehicle, please provide your model or relevant part information, and we will verify it for you promptly.
Material & Performance：
Made with high-quality materials and precision craftsmanship, this oil seal ensures long-term stable operation, resisting aging, cracking, lip wear, and leakage.
It significantly reduces the risk of balance shaft bearing damage and grease leakage caused by seal failure, eliminating the hidden danger of breakdowns on the road.
A qualified oil seal ensures normal lubrication of balance shaft components, extends bearing service life, reduces daily maintenance costs and downtime losses for fleets and repair shops, making it a cost-effective replacement solution for wearing parts.
Production & Quality Inspection ：
We keep this WG9925520223 oil seal in stock all year round for quick delivery.
Bulk orders can be arranged and delivered within 7-10 days.The minimum order quantity for samples is 1 piece.
Wholesale cooperation offers flexible quantities with preferential prices for large-volume purchases.
Service Life & Practical Value：
With solid material and fine processing, this air tank runs stably for a long time and is not easy to rust, deform or leak air.
It greatly lowers hidden dangers caused by aging or damaged original air tanks.
A qualified air reservoir tank keeps the brake system working normally, reduces daily maintenance troubles, and avoids vehicle downtime losses.
It is a cost-effective wearing part replacement option for fleets and maintenance workshops.
Delivery, Inventory & MOQ：
We keep this WG9925520223 oil seal in stock all year round for quick delivery.
Bulk orders can be arranged and delivered within 7-10 days.The minimum order quantity for samples is 1 piece.
Wholesale cooperation offers flexible quantities with preferential prices for large-volume purchases.
Application ：
It is mainly used for Sinotruk HOWO series heavy-duty trucks, widely applied in heavy-load scenarios such as long-distance transportation, engineering operations, and mining transportation.
Auto repair shops, fleet maintenance departments, and parts dealers usually keep this wearing part in stock.
The product is stably exported to Central Asia, Russia, and other overseas markets, compatible with mainstream local heavy-duty truck models.
FAQ：
Q1: Can this oil seal fit my heavy-duty truck?
A: Please provide your vehicle model or original part number, and we will complete compatibility verification for you within 24 hours.
Q2: Will there be oil leakage after installation?
A: All products undergo strict leak tightness testing before leaving the factory. With standard installation and undamaged shaft surface, no leakage will occur under normal use.
Q3: Can I purchase a sample first for testing?
A: Sample orders are accepted, and the sample fee can be deducted from subsequent bulk orders to reduce your procurement trial and error costs.
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