National 711053 Differential Pinion Seal - Rear Outer

Overview of National 711053 Differential Pinion Seal

The National 711053 differential pinion seal is engineered to provide reliable sealing performance for driveline applications. Designed with precision dimensions and durable polyacrylate material, this oil seal is compatible with various Dodge, Jeep, Mitsubishi, and Toyota models, including the Caliber, Compass, Lancer, Matrix, Outlander, Outlander Sport, Patriot, and Venza.

• Inside diameter: 2.126 inches (54.000 mm)
• Outside diameter: 2.843 inches (72.200 mm)
• Thickness/width: 0.346 inches (8.000 mm)
• Clockwise-spiral lip design for effective sealing
• Constructed from durable polyacrylate material
• Housing bore diameter: 2.835 inches (72.000 mm)
• Part number: 711053, Series 711000

Technical Details and Material Specifications

This differential pinion seal features a 32-type design with a clockwise-spiral helix lip, which helps maintain a secure seal around the pinion shaft. The polyacrylate material offers resistance to oil and heat, ensuring long-lasting performance in demanding driveline environments. The seal’s precise dimensions—2.126 inch inside diameter and 2.843 inch outside diameter—are engineered to fit tightly within the housing bore of 2.835 inches, minimizing the risk of leaks.

Compatible Vehicles and Applications

The National 711053 differential pinion seal is compatible with a range of vehicles, including:

• Dodge Caliber and Compass
• Jeep Patriot and Compass
• Mitsubishi Lancer, Outlander, and Outlander Sport
• Toyota Matrix and Venza

This seal is designed specifically for driveline and axle applications where maintaining oil containment and preventing contamination is critical.

Common Issues Addressed by the National 711053 Seal

• Prevents oil leaks from the differential pinion shaft
• Reduces contamination ingress into the differential housing
• Maintains proper lubrication levels within the driveline
• Minimizes wear on the pinion shaft and bearings
• Helps avoid costly differential repairs due to seal failure

Installation Notes and Tips

When installing the National 711053 differential pinion seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing performance. Proper installation helps maintain the integrity of the seal and extends its service life.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in sealing systems, the 711053 differential pinion seal meets industry standards for durability and fitment. The polyacrylate material and precise engineering contribute to consistent performance in automotive driveline applications. Warranty details are subject to the original equipment manufacturer’s terms and conditions.