Description
This is the Original Equipment Manufacturer (OEM) fluid from Toyota, essential for maintaining the performance and longevity of your vehicle’s Limited Slip Differential (LSD). The Toyota Genuine LSD Gear Oil 85W-90 GL-5 is formulated to handle the high-pressure and high-stress conditions found in hypoid gears, while its special friction modifiers ensure your LSD unit operates quietly and effectively.
Part Number: 08885-81163
1. Core Technical Specifications for Toyota 85W-90 GL-5
| Specification | Detail | Explanation |
| Volume | 1 Liter (1L) | Standard unit volume for topping off or refilling differentials. |
| Type | Mineral/Blended Gear Oil | A high-quality formulation providing robust protection for differential components. |
| API Service Category | GL-5 | Meets the highest API rating for axle oils, providing exceptional wear protection for hypoid gears under high shock load and high-speed conditions. |
| SAE Viscosity Grade | 85W-90 | A multi-grade viscosity. The ‘W’ rating ensures effective lubrication at normal operating temperatures, while the 90 rating maintains a protective film under heavy loads and high temperatures. |
| Application | Limited Slip Differentials (LSD) | Formulated with specific friction modifiers required for the clutches and cones within LSD units, preventing chatter and binding. |
| Part Number | 08885-81183 (Visible on label) | The unique Toyota ordering code for this specific 1-liter product. |
2. Advanced Performance and Protection Features
- LSD Compatibility: Contains dedicated friction modifiers to ensure smooth engagement and disengagement of the LSD clutch packs, eliminating “chatter” or noise during cornering.
- Extreme Pressure (EP) Protection: The GL-5 rating signifies high resistance to breakdown under severe extreme pressure conditions, essential for protecting ring and pinion gears.
- Thermal Stability: Engineered to resist thermal degradation and oxidation, maintaining a stable viscosity and fluid life even during prolonged high-speed or heavy towing operations.
- Wear and Corrosion Resistance: Provides a strong lubricating film to protect gear teeth, bearings, and seals from pitting, scoring, rust, and corrosion.
3. Quality Assurance and Compatibility
- OEM Certified: This is the identical fluid installed by the factory and used by Toyota dealerships for service. It guarantees 100% compatibility with Toyota drivetrain materials and seals.
- Vehicle Compatibility: Recommended for Toyota and Lexus models that require an 85W-90 GL-5 specification differential oil, particularly in vehicles equipped with an LSD (Limited Slip Differential). Always verify compatibility using your vehicle’s owner’s manual.
4. Important Notes
- Oil Specification: Always consult your vehicle’s Owner’s Manual or service guide to confirm the correct oil grade and specification for your differential (e.g., 75W-90, 80W-90, or 85W-90).
- Safety Warning: Avoid prolonged contact with used gear oil. Wash skin thoroughly with soap and water after handling.
- Disposal: DO NOT POLLUTE. Return used oil to an authorized collection center for proper recycling.
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