National 710451 Engine Camshaft Seal

National 710451 Engine Camshaft Seal

National 710451 is an engine camshaft seal built for precise sealing at the camshaft housing. It uses a fluoro-elastomer sealing material and a clockwise-spiral lip design to help maintain a consistent oil seal in demanding engine environments.

• Fluoro-elastomer construction for oil resistance and sealing durability
• Clockwise-spiral lip design for controlled sealing contact
• Inside diameter: 1.535 in. / 39.000 mm
• Outside diameter: 2.098 in. / 53.300 mm
• Width: 0.315 in. / 8.000 mm
• Housing bore: 2.094 in. / 53.200 mm
• Part description: oil seal
• National 710451 / Series 710400

Fitment Coverage

Compatible with a wide range of Honda and Acura applications, including Fits 1998-2017 Honda Accord, Fits 1999-2019 Honda Odyssey, Fits 2003-2019 Honda Pilot, Fits 2001-2019 Acura MDX, and Fits 2013-2018 Acura RDX. This part number, 710451, also applies to select Honda Ridgeline, Passport, Crosstour, and Acura TL, TSX, RLX, ZDX, RL, CL, and TLX models, plus Saturn Vue coverage listed in the catalog.

This part cross-references Bosch (e.g., 15701, 67617) for the same application.

What It Is Used For

• Replacing a leaking camshaft seal
• Addressing oil seepage around the camshaft area
• Restoring sealing performance after age-related hardening
• Supporting proper engine oil retention in Honda and Acura V6 applications
• Correcting contamination from oil loss near the timing area

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal orientation before installation. The clockwise-spiral lip design should be installed in the correct direction for the engine application. Clean the sealing surface thoroughly and inspect the camshaft and bore for wear, scoring, or debris that could affect sealing. Confirm vehicle-specific fitment for your Honda Accord, Honda Odyssey, Acura MDX, or other listed application before service.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing components for modern vehicles. Part number 710451 is built to National’s established sealing standards for engine service applications.