National 710460 Engine Camshaft Seal

National 710460 Engine Camshaft Seal for Honda and Acura

National 710460 is a metric engine camshaft seal built for sealing the camshaft area and helping maintain proper oil control. It uses a silicone sealing material and a counter-clockwise spiral lip design for consistent contact at the shaft surface. This oil seal is listed for select Acura NSX, Integra, CL, TL, and Honda Prelude, Civic, and Civic del Sol applications.

Key Features

• Part number: 710460
• Engine camshaft seal / oil seal
• Silicone sealing material
• Counter-clockwise spiral lip design
• Metric dimensions for precise fitment
• Inside diameter: 1.142 in. / 29.000 mm
• Outside diameter: 1.722 in. / 43.740 mm
• Width: 0.315 in. / 8.000 mm
• Housing bore: 1.693 in. / 43.000 mm

Detailed Description

National 710460 is engineered as a camshaft oil seal for engines that require a 29 mm shaft diameter and a 43.740 mm outer diameter. The silicone construction supports sealing performance at the camshaft interface, while the counter-clockwise spiral lip design helps maintain oil control during operation. This part number 710460 is a direct-fit style sealing component for select Honda and Acura engines, including Acura NSX, Integra, CL, and TL, plus Honda Prelude, Civic, and Civic del Sol models.

National has supplied sealing solutions for more than 75 years and continues to develop components for modern vehicle service needs. This part cross-references MAHLE 67640 for the same application.

What This Seal Helps Address

• Oil seepage at the camshaft seal area
• Loss of engine oil around the front or upper engine sealing surface
• Contamination from a worn or hardened seal lip
• Service replacement for aging Honda and Acura engine seals
• Leak-related maintenance on timing-side engine components

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation. Clean the sealing surface thoroughly and inspect the camshaft journal for wear, scoring, or contamination that could affect seal life. Proper alignment during installation is important to avoid damaging the lip or distorting the seal body. Confirm vehicle application by year, make, and model before ordering.

Compatible With 1997-2005 Acura NSX, 1994-2001 Acura Integra, 1993-2001 Honda Prelude, 1999-2000 Honda Civic, 1997-1999 Acura CL, 1995-1998 Acura TL, and 1994-1997 Honda Civic del Sol.

Quality Assurance

National is recognized for premium sealing solutions and long-running engineering support in the automotive aftermarket. Part number 710460 is built to metric specifications for the listed Honda and Acura applications and follows the brand’s sealing-focused design approach.