Keep the spark moving to every cylinder with the Standard Ignition Distributor Rotor FD-304 (also FD304). It drops in as a direct-fit replacement for the 1978-1979 Lincoln Versailles, 1980 Ford LTD, 1980 Lincoln Continental, 1980 Lincoln Mark VI, 1980 Mercury Grand Marquis, and 1980 Mercury Marquis.
Mounted on the distributor shaft, the rotor turns beneath the cap and transfers high-voltage current from the coil to each spark-plug terminal in firing order. A worn, cracked, or carbon-tracked rotor can interrupt that hand-off, so if the original rotor is the cause of misfire, rough running, hard starting, or stalling, this part replaces it.
- Function: routes coil voltage to each cap terminal as the distributor shaft rotates.
- Direct-fit: designed to replace the original rotor on the listed applications.
- Maintenance-friendly: a straightforward part to renew alongside cap, wires, and plugs during an ignition tune-up.
Interchange: D187 · F963 · FA126 · D84Y12200A · D84Y12200B · D8DE12200AA · D8DE12200AB · 12321586
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
D187, F963, FA126, D84Y12200A, D84Y12200B, D8DE12200AA, D8DE12200AB, 12321586
Frequently Asked Questions
What does a distributor rotor do?
It sits on the distributor shaft and rotates under the cap, transferring high-voltage current from the coil to each spark-plug terminal in the engine's firing order.
Which vehicles does the FD-304 fit?
It's a direct-fit replacement for the 1978-1979 Lincoln Versailles, 1980 Ford LTD, 1980 Lincoln Continental, 1980 Lincoln Mark VI, 1980 Mercury Grand Marquis, and 1980 Mercury Marquis.
What are signs the rotor may need replacing?
Misfire, rough running, hard starting, or stalling can be signs of a worn or cracked rotor. Diagnose the cause first, since these symptoms can have other sources.
What numbers does this rotor interchange with?
It cross-references D187, F963, FA126, D84Y12200A, D84Y12200B, D8DE12200AA, D8DE12200AB, and 12321586.
Should I replace other ignition parts at the same time?
Many technicians renew the distributor cap, spark plug wires, and plugs during the same tune-up for consistent ignition performance. Follow your vehicle's service information.
