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Rear Pinion Seal OE 90311-41009 For Toyota is a high-precision sealing component engineered for automotive differential assemblies. This robust seal provides an exceptional barrier against gear oil leakage, ensuring the longevity and reliability of your vehicle's drivetrain. It is an essential part for professional repairs, offering superior protection against contaminants in demanding driving conditions.
Essential Fitment & Specs
| Parameter | Details |
| Products Name | Rear Pinion Seal |
| Inner Diameter | 41 mm |
| Diameter | 74 mm |
| Thickness | 10 / 16 mm |
|---|---|
| MOQ | 200 PCS (If In-Stock: B2B MOQ Negotiable) |
| Material | NBR / FKM |
| Color | Black |
| Application | Toyota Drivetrain Systems |
| System Fitment | Differential Assembly |
| Position | Rear Pinion |
Technical Performance

⚙️ This pinion seal is engineered with a high-performance dynamic lip geometry, specifically designed to manage the high-speed rotational forces within a Toyota differential assembly.
🔄 The unique dual-lip architecture provides a superior barrier, effectively preventing gear oil leakage while simultaneously sealing out road dust and moisture in harsh environments.
🌡️ Constructed with advanced polymer compounds, this seal delivers exceptional dimensional stability, ensuring a consistent leak-proof fit across the full spectrum of operating temperatures.
🛡️ The reinforced metal casing provides high structural rigidity, facilitating easier installation and ensuring the seal remains securely seated against extreme drivetrain vibrations.
💪 By maintaining a perfect, low-friction seal, this component helps preserve essential gear lubrication, extending the service life and operational reliability of your vehicle's differential system.
Manufacturing & Quality Control
🏭 Our production line utilizes automated precision-molding technology, ensuring every unit matches the exact OEM geometry required for seamless Toyota drivetrain integration.
🧪 Every product cycle includes comprehensive material integrity testing, measuring the compound's recovery properties to ensure long-term resilience against high-pressure gear oil environments.
🔍 We implement a multi-stage optical inspection process, detecting minute surface imperfections on the sealing edge that could compromise the integrity of the pinion assembly.
📉 The manufacturing process features precise thermal control for vulcanization, ensuring that the interface between the rubber seal and the metal carrier is chemically bonded and durable.
✅ Our commitment to zero-defect manufacturing means every seal is verified against strict dimensional protocols, ensuring consistent quality for high-demand automotive repair centers.

Trade & Supply Solutions

📦 We maintain a high-stock strategy for OE 90311-41009, enabling rapid dispatch to support your workshop's urgent maintenance schedules and minimize vehicle downtime.
💰 Our business model offers tiered, transparent pricing, providing distributors with flexible options to scale procurement based on current market demand and project cycles.
🌍 We leverage a sophisticated, climate-controlled logistics network to ensure that sensitive rubber-metal components arrive in perfect condition, regardless of global shipping distances.
🤝 Our technical partners receive dedicated assistance with installation guides and cross-reference validation, ensuring you choose the exact part for your specific Toyota model.
📈 Choosing Jinwo means partnering with a reliable, growth-oriented supplier that prioritizes consistent product availability and high-performance standards to enhance your competitive edge in the aftermarket.
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