Keep spark going to the right cylinder at the right moment with the Standard Ignition Distributor Rotor GB-330. It installs as a direct-fit replacement for the 1972-1974 Mercury Capri, 1974 Ford Mustang II, 1978 BMW 630CSI, 1979-1981 BMW 528I, and 1981-1983 Alfa Romeo GTV-6.
A distributor rotor rides on top of the distributor shaft and turns with it, carrying the high-voltage charge from the coil (through the cap's center terminal) and passing it in sequence to each outer cap terminal that feeds a spark plug. It's a routine ignition wear item, so replacing it during a tune-up helps restore a clean high-voltage path.
Interchange: Manufacturer part number GB-330.
What does a distributor rotor do?
It rides on the distributor shaft and rotates with it, carrying high-voltage current from the coil through the cap's center terminal and passing it to each outer terminal that feeds a spark plug.
Will this fit my vehicle?
The GB-330 is a direct-fit replacement for the 1972-1974 Mercury Capri, 1974 Ford Mustang II, 1978 BMW 630CSI, 1979-1981 BMW 528I, and 1981-1983 Alfa Romeo GTV-6. Check the Buyer's Guide tab.
What are signs the rotor may need replacing?
Misfire, rough idle, hard starting, or hesitation can point to ignition wear. Diagnose the cause first; if a worn or burned rotor is responsible, replacing it addresses that.
Should I replace the distributor cap too?
The cap and rotor wear together, so many people renew both during a tune-up. Follow the vehicle service information for the recommended service interval.
What is the manufacturer part number?
This is Standard Ignition part number GB-330, a distributor rotor.
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.
