SKF 18782 Differential Pinion Seal - Rear

Overview of the SKF 18782 Differential Pinion Seal

The SKF 18782 differential pinion seal is engineered for precise fitment on Mazda RX-7 models. Designed to maintain optimal sealing performance, this component helps protect your driveline by preventing fluid leaks and contamination.

• Width: 0.551 inches for secure sealing depth
• Outside Diameter: 3.077 inches ensuring proper housing fit
• Shaft Diameter: 1.890 inches matching Mazda RX-7 specifications
• Sealing Surface Type: Nitrile material for durability and resistance to oil and heat

Technical Details and Material Specifications

This differential pinion seal from SKF is constructed with a nitrile sealing surface, known for its resistance to petroleum-based fluids and high temperatures commonly found in automotive differentials. The precise dimensions—0.551 inch width, 3.077 inch outside diameter, and 1.890 inch shaft diameter—are tailored to fit the Mazda RX-7 differential pinion shaft, ensuring a tight seal that minimizes the risk of leaks and contamination.

Compatible Vehicles and Applications

Compatible with Mazda RX-7 models, the SKF 18782 differential pinion seal is designed specifically for driveline and axle sealing systems. It is suitable for use in maintenance or repair scenarios where the original pinion seal requires replacement to maintain differential integrity.

• Prevents differential fluid leaks
• Protects against dirt and debris ingress
• Reduces wear on differential components
• Maintains proper lubrication within the differential
• Helps avoid costly driveline repairs

Installation Notes and Tips

When installing the SKF 18782 differential pinion seal on a Mazda RX-7, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal’s orientation matches the original part to maintain effective sealing performance.

Quality Assurance and Warranty

SKF manufactures the 18782 differential pinion seal to meet stringent quality standards. The nitrile material and precise dimensions contribute to reliable performance under typical operating conditions. While specific warranty details may vary, SKF products generally come with manufacturer-backed quality assurance to support durability and fitment accuracy.