Aisin RPAH-163 Power Steering Rack and Pinion Assembly

The Aisin RPAH-163 is a remanufactured or new-replacement power steering rack and pinion assembly engineered to OEM specifications. Aisin Automotive Casting Tennessee is a Tier-1 OEM supplier with deep roots in the Toyota/Lexus manufacturing ecosystem, ensuring that every unit meets or exceeds the original equipment standard for fit, function, and durability.

This rack and pinion assembly is designed as a direct drop-in replacement, restoring precise steering feel and eliminating common symptoms of a failing unit such as steering wander, excessive play, fluid leaks, or unusual noise during turns.

Key Features:

• Manufactured to OEM specifications by a Tier-1 automotive supplier
• Direct-fit replacement for simplified installation
• Engineered for consistent hydraulic pressure and smooth steering response
• Built with high-quality seals and internal components to prevent fluid leaks
• Designed for long service life under normal operating conditions
• Produced by Aisin Automotive Casting Tennessee, an established OEM-level manufacturer

As a genuine OEM-grade component, the Aisin RPAH-163 is the trusted choice for restoring factory steering performance. Always verify correct vehicle fitment before installation.