Standard Ignition JR-122 Distributor Rotor

Distributor Rotor for Mazda 323 and Mercury Tracer

Standard Ignition JR-122 is a distributor rotor for ignition distributor and magneto applications. It is listed for 1986-1989 Mazda 323 and 1987-1990 Mercury Tracer models, making it a direct-fit service part for these vehicle applications.

Key Features

• Distributor rotor for ignition system service
• Contents: Distributor Rotor
• Fits 1986-1989 Mazda 323
• Fits 1987-1990 Mercury Tracer
• Standard Ignition part number JR-122

Product Details

This Standard Ignition distributor rotor is built for distributor and magneto applications where rotor replacement is needed during ignition maintenance. The JR-122 is specified for Mazda 323 and Mercury Tracer fitments, helping maintain proper spark transfer inside the distributor assembly. This part cross-references Denso 12-0166 for the same application.

Common Issues It May Address

• Engine misfire caused by worn rotor contact surfaces
• Hard starting related to weak distributor spark transfer
• Rough idle from inconsistent ignition delivery
• Loss of power from degraded distributor components
• Ignition service needs on Mazda 323 and Mercury Tracer models

Installation Notes and Tips

Verify distributor style and existing rotor design before installation. Inspect the distributor cap, ignition wires, and related ignition components at the same time to confirm the repair addresses the full wear pattern. Confirm fitment by year and model before ordering JR-122.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for ignition service parts. JR-122 is cataloged for the listed Mazda 323 and Mercury Tracer applications to support accurate parts selection.