National 710884 Engine Crankshaft Seal - Rear

Overview of National 710884 Engine Crankshaft Seal

The National 710884 engine crankshaft seal is designed to provide reliable sealing performance for select Chrysler, Jeep, and Volkswagen vehicles. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.

• Inside diameter: 88.0 mm (3.465 inches)
• Outside diameter: 111.2 mm (4.378 inches)
• Thickness/width: 23.8 mm (0.937 inches)
• Material: Durable silicone for enhanced resistance to heat and oil
• Compatible with housing bore size of 111.0 mm (4.370 inches)

Detailed Product Description

The National 710884 crankshaft seal is constructed from high-quality silicone material, offering excellent durability and resistance to engine heat and oil exposure. With an inside diameter of 88 mm and an outside diameter of 111.2 mm, this oil seal fits precisely within the housing bore of 111 mm, ensuring a secure and leak-free seal. The 23.8 mm thickness provides a robust barrier against oil seepage, helping to maintain engine cleanliness and performance. This seal is part of the 710800 series, known for consistent manufacturing standards and reliable sealing solutions.

Compatible Vehicles and Applications

This engine crankshaft seal is compatible with various Chrysler, Jeep, and Volkswagen models, including:

• Chrysler Pacifica
• Chrysler Town & Country
• Jeep Wrangler
• Volkswagen Routan

It is specifically designed to meet the sealing requirements of these vehicles, making it a suitable replacement part for maintaining engine oil containment and preventing leaks around the crankshaft.

Common Issues Addressed by National 710884 Seal

• Prevents oil leaks from the crankshaft area
• Reduces engine contamination caused by oil seepage
• Maintains proper oil pressure within the engine
• Protects engine components from premature wear due to oil loss
• Helps avoid costly engine repairs related to seal failure

Installation Notes and Tips

• Ensure the housing bore is clean and free of debris before installation
• Use appropriate tools to avoid damaging the silicone seal during fitting
• Verify the seal orientation matches the original part for optimal performance
• Check shaft surface for wear or damage prior to installing the new seal
• Apply a light coat of engine oil on the seal lip to facilitate installation and initial lubrication

Quality Assurance and Warranty

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The 710884 part number undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product's reliability.