National 710450 Engine Oil Pump Seal

Engine Oil Pump Seal for Toyota Applications

National 710450 is an engine oil pump seal built for metric shaft and housing dimensions. It is specified for select Toyota Paseo and Toyota Tercel applications, with a polyacrylate sealing material and a clockwise-spiral lip design for controlled sealing performance.

Key Features

• Part number: 710450
• Engine oil pump seal / oil seal design
• Polyacrylate sealing material
• Clockwise-spiral lip design
• Metric dimensions for precise fitment
• Inside diameter: 20.000 mm (0.787 in)
• Outside diameter: 32.210 mm (1.268 in)
• Width: 5.000 mm (0.197 in)
• Housing bore: 32.000 mm (1.260 in)

Detailed Description

National 710450 is an oil pump seal engineered around exact metric dimensions to help maintain a proper seal at the shaft and housing interface. The polyacrylate sealing material is paired with a clockwise-spiral lip design, a configuration used to manage sealing contact in rotating engine applications. This part number 710450 is listed for 1987-1999 Toyota Tercel and 1992-1999 Toyota Paseo applications, making it a direct-fit option for those vehicles when the original seal matches the specified dimensions.

National has supplied sealing solutions for more than 75 years, and this seal reflects that focus on dimensional accuracy and modern vehicle sealing requirements. This part cross-references Bosch 7918 for the same application.

What It Is Used For

• Replacing a worn or hardened engine oil pump seal
• Addressing oil seepage around the pump shaft area
• Restoring sealing at the housing bore interface
• Supporting proper oil retention in the pump assembly
• Serving Toyota Paseo and Toyota Tercel repair needs

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation. Clean the sealing surfaces thoroughly and inspect the pump shaft for wear, scoring, or corrosion that could affect seal life. Confirm the seal orientation matches the clockwise-spiral lip design and the engine application before pressing it into place.

Quality Assurance

National is a long-established sealing brand with a history of supplying premium sealing solutions for automotive applications. Part number 710450 is built to metric specifications for consistent fitment in the listed Toyota applications.