Introduction

WG9003074387 is a high-precision front wheel hub oil seal specially designed for SINOTRUK HOWO, A7 and other heavy-duty truck models. As a core chassis sealing part, it is professionally manufactured to match the original vehicle installation standards. This oil seal acts as a critical protective barrier for the truck front wheel hub system, effectively locking hub lubricating oil inside the bearing assembly and blocking external dust, water, sediment and other contaminants. Adopting premium raw materials and mature vacuum vulcanization technology, it delivers stable sealing performance, strong durability and excellent environmental adaptability, fully meeting the long-term and high-load operation demands of heavy-duty commercial trucks, and effectively avoiding wheel hub oil leakage, bearing wear and brake system failures caused by poor sealing.

Key Features

✅️Original Standard Precision Fit: Manufactured strictly in accordance with SINOTRUK original factory specifications, the WG9003074387 oil seal features accurate size and perfect compatibility. It is a direct replacement for original parts, realizing seamless installation without modification, ensuring stable matching with SINOTRUK HOWO, A7 series heavy trucks, and eliminating installation looseness and sealing failure problems.

✅️Premium Material & Super Durability: Adopts high-performance wear-resistant rubber material and reinforced steel plate skeleton, matched with high-strength built-in spring. The overall structure is sturdy and anti-deformation. It passes professional vacuum vulcanization processing, effectively resisting aging, cracking and deformation under long-term high-speed operation and mechanical extrusion, greatly extending the service life of the oil seal.

✅️Excellent Sealing & Anti-Leakage Performance: The optimized spring-loaded lip design provides continuous and uniform sealing pressure. It stably locks hub lubricating grease and oil to prevent internal oil leakage, avoid bearing dry friction and wear. Meanwhile, it isolates external rainwater, mud, dust and impurities from invading the wheel hub, protecting bearings and hub assembly from damage and ensuring the normal operation of the wheel system.

✅️Strong Extreme Environment Adaptability: Features outstanding temperature resistance, adapting to a wide temperature range from -40°C to 120°C. It can maintain stable sealing performance in harsh working conditions such as high-temperature driving, cold winter, rainy and muddy roads, suitable for all-weather and all-road heavy-duty transportation scenarios, with low failure rate in complex working environments.

✅️Reduce Maintenance Costs & Improve Driving Safety: Reliable sealing performance effectively avoids common faults such as hub oil leakage, brake failure and bearing burnout caused by seal damage. It reduces frequent replacement and maintenance frequency, cuts vehicle operation and maintenance costs, and stabilizes wheel hub operating status to guarantee driving safety for heavy trucks.

✅️Qualified Quality & Reliable Supply: All products undergo strict quality inspection and performance testing, with stable quality and compliance with industry certification standards. Standardized production ensures consistent product quality, supports bulk supply, and provides cost-effective original-quality replacement parts for truck maintenance and after-sales matching.

Detail

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Contact with clear photo of engine nameplate or chassis number:

Linda Zhang

Whatsapp:+86 176 6066 8410

EMAIL:sales16@chinatruck.cc