National 2658V Automatic Transmission Oil Pump Seal - Front

Reliable Automatic Transmission Oil Pump Seal for Ford and Mazda Vehicles

The National 2658V Automatic Transmission Oil Pump Seal is engineered to provide dependable sealing performance for a range of Ford, Mazda, and Mercury models. Designed with precision dimensions and durable materials, this oil seal helps maintain transmission fluid integrity and prevent leaks.

• Inside diameter: 1.609 inches (40.870 mm)
• Outside diameter: 2.441 inches (62.000 mm)
• Thickness: 0.300 inches (7.620 mm)
• Material: Fluoro-elastomer sealing compound
• Helix type: Clockwise-spiral lip design for enhanced sealing
• Housing bore diameter: 2.435 inches (61.850 mm)
• Redicoat surface treatment for improved durability
• Series: 2000, Type: 75

Durable Design and Material Specifications

The National 2658V oil seal features a fluoro-elastomer sealing material known for its resistance to heat, chemicals, and wear, making it suitable for demanding transmission environments. The clockwise-spiral lip design ensures effective sealing against fluid leakage while accommodating shaft rotation. With precise inside and outside diameters, this seal fits securely within the housing bore, maintaining optimal contact with the transmission oil pump shaft. The Redicoat treatment further enhances the seal’s resistance to corrosion and extends service life.

Compatible Vehicles and Applications

This automatic transmission oil pump seal is compatible with various Ford, Mazda, and Mercury models, including but not limited to:

• Ford Aerostar, Bronco II, Explorer, Mustang, Ranger, Thunderbird
• Mazda B2300, B3000, B4000, Navajo
• Mercury Bobcat, Capri, Cougar, Fairmont, Grand Marquis, LTD, Marquis, Zephyr

Part number 2658V is designed specifically for these vehicles to ensure proper fit and function within their automatic transmission systems.

Common Issues Addressed by the 2658V Oil Pump Seal

• Prevents transmission fluid leaks that can cause low fluid levels and shifting problems
• Reduces contamination of transmission components by sealing out dirt and debris
• Maintains hydraulic pressure within the transmission for consistent performance
• Minimizes premature wear of transmission pump components
• Helps avoid costly transmission repairs due to fluid loss or seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• Verify the correct orientation of the seal lip with the clockwise-spiral design facing the fluid side
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Inspect the shaft surface for wear or damage that could compromise the seal
• Follow vehicle manufacturer torque specifications when reassembling transmission components

Quality Assurance and Warranty

National’s 2658V oil pump seal is manufactured to meet industry standards for durability and performance. The use of fluoro-elastomer material and Redicoat treatment ensures resistance to heat and chemical degradation. While specific warranty details are not provided, National products typically adhere to strict quality control processes to support reliable operation in automotive transmission systems.