Route high-voltage spark to each cylinder in firing order with the Standard Ignition Distributor Rotor JR-150. It is a direct-fit replacement for many vehicles, among them the 1992 Chevrolet Metro, 1994-1999 Pontiac Firefly, and 1992-1997 Geo Metro. See the "Vehicles it fits" section for the full list and engine-specific details.
The rotor mounts on the distributor shaft and spins with it. As it turns, it carries the spark from the coil to each terminal inside the distributor cap in sequence.
A rotor may need replacing if you notice misfires, hard starting, rough running, or a no-start condition. An inspection may also show a burned, pitted, or cracked rotor. These symptoms can have other causes, so diagnose the ignition system before you replace parts.
Interchange: 12-0181
D707 · JP955 · EP418 · 19017235 · 96066463 · 3331071C30 · 120181
This part cross-references / interchanges with the following part numbers:
What does a distributor rotor do?
It turns with the distributor shaft and passes high-voltage current from the coil to each distributor cap terminal in sequence, sending spark to the correct cylinder.
Which vehicles does the Standard Ignition JR-150 fit?
It fits many vehicles, among them the 1992 Chevrolet Metro, 1994-1999 Pontiac Firefly, and 1992-1997 Geo Metro. See the "Vehicles it fits" section for the full list and engine details.
What is the rotor's contact segment made of?
The segment is solid brass, which resists pitting and erosion. It carries a noise-suppressing coating that is intended to limit interference with the radio and other electronic circuits.
How does this rotor stay in place on the distributor shaft?
It uses shaft retention clips to hold it in its proper position on the distributor shaft.
What signs suggest my distributor rotor may need replacing?
Misfires, hard starting, rough running, a no-start condition, or a burned or pitted rotor tip may be signs. These symptoms have other possible causes, so diagnose the ignition system first.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
