Range Rover L322 Gearbox Flywheel Starter Ring 4.4 V8 Petrol PSD000160

Range Rover L322 Gearbox Flywheel Starter Ring 4.4 V8 Petrol is a precision drivetrain component designed to work with the V8 petrol engine and automatic transmission. Thanks to its factory geometry and precise fit for the specific drivetrain configuration, it ensures stable starter operation and correct torque transmission. This solution is dedicated to users who expect consistency with the original Range Rover specification and wish to maintain the proper operating parameters of the drivetrain.

Specifications and technical data

• SKU: PSD000150
• Mark: Range Rover
• Condition: Used
• OEM Part Number: PSD000150
• Substitutable numbers: PSD000150, 1H4Z6K390AAA, 1H4Z-6K390A-AA
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Flywheel
• Category: Flywheels & Flexplates

Purpose and function in the drivetrain

The presented flywheel ring is a component from the Flywheels and gears group, responsible for engaging with the starter ring gear and ensuring the correct connection between the engine and the automatic transmission. When paired with the V8 petrol unit, it stabilizes starting, supports even load distribution, and reduces unwanted vibrations in the drivetrain.

Due to its fit for the specific Range Rover L322 configuration, the ring ensures:

• correct engagement with the starter motor,
• proper stiffness of the connection with the automatic transmission torque converter,
• maintenance of the factory operating characteristics of the petrol engine.

Compatibility with the 4.4 V8 petrol engine and automatic transmission

The component has been designed to work with the 4.4 V8 petrol engine, which means a matched working diameter, mounting hole spacing, and ring gear tooth profile. The design takes into account the specific operating requirements of a high-torque unit, ensuring adequate resistance to dynamic loads.

Adaptation for the automatic transmission translates into proper cooperation with the torque converter, which is crucial for smooth gear shifting and reducing jerking during acceleration and gear changes. This preserves the drivetrain refinement characteristic of the Range Rover.

Characteristics of the used component

The offered flywheel ring is a used part sourced from dismantling, which allows for maintaining the original assembly specification while optimizing service costs. A used component of this type is particularly attractive for vehicles under intensive use, where both compliance with factory solutions and a reasonable repair budget are important.

Choosing an original, used element from this group allows you to:

• maintain compliance with factory drivetrain parameters,
• minimize the risk of fitment issues with the engine and automatic transmission,
• preserve predictable vehicle behavior during starting and gear shifting.

Application in service and functional tuning

The flywheel ring in the Range Rover L322 is an essential element when replacing the automatic transmission, overhauling the power unit, or performing modifications related to improving drivetrain refinement. Replacing a worn or damaged component with a verified equivalent allows for restoring correct starter engagement, reducing noise during startup, and ensuring stable torque transmission.

If you are interested in broader use of used components in modernization projects, it is worth checking out the guide on our blog: The best used parts for tuning your car, where we discuss a practical approach to selecting elements from the secondary market.

Expanding the Range Rover drivetrain

If you are planning a comprehensive repair or modernization of the drivetrain area in your Range Rover and need other elements from the same group, such as additional flywheels, gears, or related mounting components, check the available parts in the Range Rover flywheels and gears category.