Standard Ignition JR-139 Distributor Rotor

Overview of Standard Ignition Distributor Rotor JR-139

The Standard Ignition JR-139 distributor rotor is designed specifically for Lexus LS400 and SC400 models. This essential ignition component ensures reliable electrical contact within the distributor, contributing to efficient engine performance.

• Compatible with Lexus LS400 and SC400 vehicles
• Durable plastic rotor material with brass contact
• Push-on mount type for straightforward installation
• Brown color finish for easy identification
• Mounting hardware not included

Product Features and Specifications

The JR-139 distributor rotor features a plastic rotor body combined with a brass contact material, providing consistent conductivity and resistance to wear. Its push-on mount type allows for secure attachment within the distributor assembly. The brown finish aids in visual confirmation during maintenance or replacement. This part is supplied as a single distributor rotor without additional mounting hardware.

Application and Compatibility

This distributor rotor is compatible with Lexus LS400 and SC400 models, ensuring proper fit and function within the ignition system. The part number JR-139 corresponds to this specific rotor designed to meet OEM specifications for these vehicles.

• Restores proper distributor contact for smooth engine operation
• Addresses ignition misfires caused by worn or damaged rotors
• Helps eliminate rough idling and poor acceleration issues
• Prevents starting difficulties related to distributor rotor failure
• Maintains ignition timing accuracy for optimal engine performance

Installation Notes and Tips

Installation of the Standard Ignition JR-139 distributor rotor requires removal of the distributor cap. The push-on mount type allows for easy placement onto the distributor shaft. Ensure the rotor is fully seated and aligned correctly before reattaching the distributor cap. Since mounting hardware is not included, retain original fasteners during replacement.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The JR-139 distributor rotor undergoes quality control testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the product documentation or manufacturer.