Hayward | SPX4000K | Motor Lock Ring for Northstar Pump
The Hayward SPX4000K Motor Lock Ring is a replacement retaining ring designed for compatible NorthStar pool pump motors. This lock ring secures the motor assembly to the pump housing, helping maintain proper alignment, prevent axial movement, and support reliable motor and pump operation during normal use and routine maintenance.
Key Features
• Replacement motor lock ring engineered for compatible Hayward NorthStar pool pump motor assemblies.
• Secures the motor to the pump housing to prevent axial movement during operation.
• Helps maintain proper alignment between motor and hydraulic components.
• Supports stable pump performance by reducing vibration and mechanical stress.
• Ideal for replacing worn, bent, or damaged lock rings during service.
• Designed to withstand typical pool environment conditions and operational load.
Product Overview
The Hayward SPX4000K Motor Lock Ring is a service grade retaining component used in compatible NorthStar pool pump systems to secure the motor assembly to the pump housing. Proper retention of the motor is essential to maintain alignment with internal hydraulic parts such as the impeller and diffuser, which directly affects circulation efficiency, vibration control, and component longevity. Without a secure lock ring, the motor can shift under load, leading to misalignment, increased wear, and reduced system performance.
Over time, motor lock rings can deform, loosen, or become damaged due to mechanical stress, vibration, or exposure to pool environment conditions. Replacing a compromised lock ring with the SPX4000K helps restore stable motor positioning, maintain proper internal alignment, and reduce the risk of premature wear on connected components. This replacement part is commonly used during motor service, pump rebuilds, or major maintenance tasks to ensure long term reliability and consistent performance of compatible Hayward NorthStar pool pump systems.
Original: $79.99
-65%$79.99
$28.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Hayward SPX4000K Motor Lock Ring is a replacement retaining ring designed for compatible NorthStar pool pump motors. This lock ring secures the motor assembly to the pump housing, helping maintain proper alignment, prevent axial movement, and support reliable motor and pump operation during normal use and routine maintenance.
Key Features
• Replacement motor lock ring engineered for compatible Hayward NorthStar pool pump motor assemblies.
• Secures the motor to the pump housing to prevent axial movement during operation.
• Helps maintain proper alignment between motor and hydraulic components.
• Supports stable pump performance by reducing vibration and mechanical stress.
• Ideal for replacing worn, bent, or damaged lock rings during service.
• Designed to withstand typical pool environment conditions and operational load.
Product Overview
The Hayward SPX4000K Motor Lock Ring is a service grade retaining component used in compatible NorthStar pool pump systems to secure the motor assembly to the pump housing. Proper retention of the motor is essential to maintain alignment with internal hydraulic parts such as the impeller and diffuser, which directly affects circulation efficiency, vibration control, and component longevity. Without a secure lock ring, the motor can shift under load, leading to misalignment, increased wear, and reduced system performance.
Over time, motor lock rings can deform, loosen, or become damaged due to mechanical stress, vibration, or exposure to pool environment conditions. Replacing a compromised lock ring with the SPX4000K helps restore stable motor positioning, maintain proper internal alignment, and reduce the risk of premature wear on connected components. This replacement part is commonly used during motor service, pump rebuilds, or major maintenance tasks to ensure long term reliability and consistent performance of compatible Hayward NorthStar pool pump systems.
