National 710302 Engine Camshaft Seal - Rear

National 710302 Camshaft Seal for Rear Applications

National 710302 is an engine camshaft seal built for rear-position applications on a wide range of Asian vehicles. It uses nitrile material and metric dimensions to help maintain a proper seal at the camshaft end cap, supporting oil control in engines found in Kia, Hyundai, Mitsubishi, and Chrysler models.

Key Features

• Engine camshaft seal / oil seal for rear applications
• Nitrile construction for sealing performance
• Metric sizing: 42.200 mm outside diameter and 8.000 mm width
• Housing bore: 42.000 mm
• Footnote application: camshaft end cap
• National part number 710302

Application Details

National 710302 is used in rear camshaft sealing locations where the camshaft end cap requires a precise oil seal. It is listed for vehicles such as the 2001-2010 Kia Optima, 2001-2005 Hyundai Sonata, and 1997-2004 Mitsubishi Diamante, along with additional rear-fit applications across the same platform families. This part cross-references SKF 14496 for the same application.

What This Part Helps Address

• Oil seepage at the rear camshaft end cap
• Loss of sealing integrity around the camshaft housing bore
• Contamination from engine oil escaping the seal area
• Wear-related sealing issues on higher-mileage engines
• Replacement needs during camshaft or timing-related service

Installation Notes and Tips

Verify the housing bore and seal dimensions before installation. Clean the sealing surface thoroughly, inspect the camshaft end cap area for damage, and install the seal squarely to avoid distortion. Confirm rear-position fitment for the exact year, make, and model before ordering. National 710302 is also referenced by part number 710302 in catalog listings.

Quality Assurance

National has supplied sealing solutions for more than 75 years and continues to develop sealing products for modern vehicle service needs. The brand’s long history in engine sealing supports consistent fitment-focused replacement selection for applications such as Kia Optima, Hyundai Sonata, and Mitsubishi Diamante.