National 711067 Engine Crankshaft Seal - Front

Overview of National Engine Crankshaft Seal 711067

The National 711067 engine crankshaft seal is designed for reliable oil sealing in various Chrysler, Dodge, Jeep, Plymouth, and Volkswagen models. Engineered with a clockwise-spiral lip design, this seal ensures effective containment of engine oil, helping maintain optimal engine performance.

• Clockwise-spiral helix type lip design for efficient oil sealing
• Constructed from durable fluoro-elastomer material
• Housing bore diameter: 1.624 inches (41.250 mm)
• Outside diameter: 1.632 inches (41.450 mm)
• Shaft diameter: 1.125 inches (28.580 mm)
• Seal width: 0.236 inches (6.000 mm)
• Part of the National 711000 series

Technical Details and Material Specifications

This National crankshaft seal (part number 711067) features a fluoro-elastomer construction, providing resistance to heat, oil, and chemical degradation commonly encountered in engine environments. The clockwise-spiral lip design enhances sealing efficiency by directing oil back into the engine, reducing leakage. With precise dimensions including a 1.624-inch housing bore and a 1.125-inch shaft diameter, this seal is engineered to fit specific engine configurations accurately.

Compatible Vehicle Applications

This engine crankshaft seal is compatible with a range of vehicles including Chrysler 300, 300M, Concorde, Intrepid, and Pacifica; Dodge Caravan, Dakota, Magnum, and Charger; Jeep Grand Cherokee, Wrangler, and Liberty; Plymouth Acclaim, Sundance, and Voyager; as well as Volkswagen Lancer and Routan models. The National 711067 seal is designed to meet the sealing requirements of these vehicles’ engines, ensuring proper fit and function.

Common Issues Addressed by the National 711067 Seal

• Prevents oil leaks around the crankshaft area
• Reduces engine oil contamination and loss
• Minimizes risk of engine damage due to oil leakage
• Maintains engine oil pressure and performance
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

When installing the National 711067 crankshaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing. Lubricate the seal lip lightly with clean engine oil before installation to reduce initial wear. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty Information

National engine crankshaft seals are manufactured to meet industry standards for durability and performance. The fluoro-elastomer material and precision design contribute to long service life under normal operating conditions. This product is part of the National 711000 series, known for consistent quality. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.