SKF 18870A Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Jeep Vehicles

The SKF 18870A differential pinion seal is engineered to provide durable sealing performance for Jeep driveline systems. Designed specifically for Jeep Commander, Grand Cherokee, Liberty, and Wrangler models, this seal helps maintain optimal differential function by preventing fluid leaks.

• Outside diameter: 2.704 inches for precise fitment
• Shaft diameter: 1.890 inches ensuring compatibility with Jeep driveline components
• Width: 0.528 inches for proper sealing depth
• Longlife sealing surface type for extended service intervals

Technical Details and Product Attributes

The SKF 18870A differential pinion seal features a longlife sealing surface designed to withstand the demanding conditions of Jeep off-road and on-road use. Its dimensions—2.704 inches outside diameter, 1.890 inches shaft diameter, and 0.528 inches width—are engineered to match the differential pinion shaft specifications of Jeep Commander, Grand Cherokee, Liberty, and Wrangler models. This precise sizing ensures a secure seal that minimizes the risk of leaks and contamination, helping to maintain the integrity of the differential assembly.

Compatible Jeep Models and Applications

This differential pinion seal is compatible with the following Jeep vehicles:

• Jeep Commander
• Jeep Grand Cherokee
• Jeep Liberty
• Jeep Wrangler

It is designed to replace worn or damaged seals in the differential pinion area, helping to restore proper sealing and prevent fluid loss.

Common Issues Addressed by the SKF 18870A Seal

• Prevents differential fluid leaks that can cause driveline damage
• Reduces contamination ingress into the differential assembly
• Helps maintain proper lubrication for differential gears
• Minimizes wear on the pinion shaft and bearings
• Supports consistent differential performance under varied driving conditions

Installation Notes and Tips

When installing the SKF 18870A differential pinion seal, ensure the mating surfaces are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal is seated evenly to maintain an effective barrier against fluid leaks. Consult the vehicle’s service manual for torque specifications and installation procedures specific to Jeep Commander, Grand Cherokee, Liberty, and Wrangler models.

Quality Assurance and Warranty Information

SKF manufactures the 18870A differential pinion seal to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details are not provided, SKF products typically adhere to industry standards for material and workmanship quality. Using an OEM-quality seal like the SKF 18870A helps maintain the integrity of your Jeep’s driveline system.