Lexus LS400 Throttle Body Housing Assy 1UZ 2221050023

Lexus LS400 Throttle Body Housing Assy 1UZ is a component from the Throttle Bodies category, designed for the 1UZ V8 engine intake system in Lexus models. This offered sub-assembly comes from a vehicle dismantling process, which allows for an economical yet technically sound replacement of the factory throttle body housing, while maintaining the original performance characteristics of the powertrain.

Specifications and technical data

• SKU: 2221050023
• Mark: Lexus
• Condition: Used
• OEM Part Number: 2221050023
• Substitutable numbers: 2221050023, 22210 50023
• Category: Throttle Bodies

Technical specifications and application

The throttle body housing in the 1UZ engine is responsible for stable airflow to the intake manifold and the correct seating of the throttle valve and control components. Using an original component from the Lexus family ensures:

• preservation of the factory intake channel geometry,
• correct positioning of the throttle axis relative to the manifold,
• compatibility with the factory engine control system,
• easier diagnostics and future maintenance.

As a result, replacing a damaged or corroded housing with an original dismantled part allows for the restoration of stable engine operation without the need for system modifications.

Benefits of using an original throttle body housing

Choosing a component from the Throttle Bodies group dedicated to the Lexus LS400 helps maintain the integrity of the entire intake system. The original housing ensures:

• precise fitment to the manifold and other intake components,
• stable mounting of accessories working with the throttle body,
• reduced risk of leaks at connection points,
• preservation of factory mounting points and cable routing.

For users who value the predictable behavior of the 1UZ V8 engine and ease of service, using an original throttle body housing is a safe and technically sound solution.

Condition, origin, and compatibility verification

The item comes from a dismantled Lexus vehicle, which allows for consistency with factory design solutions. Before installation, a standard service procedure is recommended, including inspection of mating surfaces, seals, and the freedom of movement of the throttle valve after assembling the entire unit.

To correctly select the throttle body housing for a specific version of the 1UZ engine and model year of the Lexus LS400, it is worth comparing part markings and mounting designs with the component removed from the vehicle. This approach minimizes the risk of mismatch and speeds up the installation process.

Lexus Throttle Bodies – expansion and modernization of the intake system

If you are planning a comprehensive repair or modernization of the engine area in your Lexus and need other elements from the same group, such as throttle bodies, housings, control levers, or mounting hardware, check out the available parts in the Lexus Throttle Bodies category.

Technical support and practical knowledge

When modifying the drivetrain, changing gear ratios, or selecting other components that work with the powertrain, it is worth relying on proven practical knowledge. Extended information regarding the selection of drivetrain components, their impact on driving characteristics, and examples of applications can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which helps in better planning modernization work on your vehicle.