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1971-79 Plymouth Road Runner, Horn Assembly, Purple, with 1-1/2" Bracket

1971-79 Plymouth Road Runner, Horn Assembly, Purple, with 1-1/2" Bracket
$128.99 ea
NEWARRIVING SOONEstimated Ship Date 05/15/2026 (If Ordered Today)210 Available from our supplier as of 04/28/2026
Model: 3962989
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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1971-79 Plymouth Road Runner; Horn Assembly; Purple; with 1-1/2" Bracket

We all remember the iconic "Beep-Beep" horn sound made by the famous "Road Runner" cartoon. Now you can restore your classic Road Runner's voice with this authentic reproduction of the original horn assembly for 1971-75 Plymouth Road Runner, and 1976-79 Plymouth Volare Road Runner. Each horn features the correct short arm style mounting bracket with the threaded hole in the bracket for proper mounting configuration. Bracket measures approximately 1-1/2" in length. Horn is painted in the correct shade of purple, as original. Replaces OE part # 3488646.

Note: Decals not included. For decals, use part # MB280971.

Plymouth B-Body Applications:
  • 1971-1972 Road Runner (with purple horn)
  • 1973-1975 Road Runner (with purple horn)
Plymouth F-Body Applications:
  • 1976-1979 Volare Road Runner (with purple horn)

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Plymouth Road Runner 1971 - 1975
Plymouth Volare 1976 - 1979

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1971-79 Plymouth Road Runner, Horn Assembly, Purple, with 1-1/2" Bracket: