Send high-voltage spark to each cylinder in turn with the Standard Ignition Distributor Rotor JR-186. It is listed as a replacement for the 1997-1999 Mitsubishi Montero Sport. See the "Vehicles it fits" section for engine-specific details.
Inside the distributor, the rotor turns with the distributor shaft. It passes voltage from the center of the cap to each outer terminal in firing order, and from there the voltage travels to the spark plugs. Standard Ignition is a global manufacturer of original equipment ignition products and keeps full quality control over the process, from individual components to the finished rotor.
- Dielectric alkyd: Made with high-grade dielectric strength alkyd, which resists dirt sticking. This helps reduce carbon tracking and is intended to extend service life.
- Solid brass segments: Designed for conductivity, carrying high-voltage spark on to the plugs.
- Decades of development: Standard's distributor caps and rotors build on decades of research and development.
Signs a distributor rotor may need replacing include engine misfires, hard starting or a no-start, rough running, and visible carbon tracks, burning or erosion on the rotor tip. Other ignition faults can cause similar symptoms, so diagnose the cause before replacing parts.
Interchange: D237 · RTRA182 · EP557 · D619272 · MD618187 · MD619272 · T254 · 3331060C10
This part cross-references / interchanges with the following part numbers:
D237, RTRA182, EP557, D619272, MD618187, MD619272, T254, JR-186, 3331060C10
Frequently Asked Questions
What does a distributor rotor do?
It turns with the distributor shaft and transfers high voltage from the center of the distributor cap to each outer terminal in turn. The voltage then travels through the plug wires to the spark plugs.
What vehicle does the Standard Ignition JR-186 fit?
It is listed for the 1997-1999 Mitsubishi Montero Sport. See the "Vehicles it fits" section for engine-specific details.
What are signs a distributor rotor may need replacing?
Misfires, hard starting, a no-start, rough running, or visible carbon tracking or burning on the rotor tip can indicate a worn rotor. Other ignition faults cause similar symptoms, so diagnose first.
What is the JR-186 rotor made of?
It is made with high-grade dielectric strength alkyd, which resists dirt sticking and helps reduce carbon tracking. It also has solid brass segments for conductivity.
Which part numbers does JR-186 interchange with?
It cross-references D237, RTRA182, EP557, D619272, MD618187, MD619272, T254 and 3331060C10.
