For Sale: E-Tron RU-4 Ballast Resistor – NOS

$9.99

type: Unknown Type
Vendor: CorvairFarmer

Description:

E-Tron RU-4 The E-Tron RU-4 is a 2-terminal ballast resistor, used in ignition systems to regulate voltage to the ignition coil—especially in vehicles with points-style ignition. It helps prevent coil overheating and ensures consistent spark delivery.

📦 Specifications

  • Type: Ballast resistor

  • Terminals: 2 male blade terminals

  • Body: Molded ceramic for heat dissipation

  • Function: Drops voltage to protect ignition coil and points

  • Brand: E-Tron (aftermarket equivalent to Standard Motor Products RU-4)

🚗 Vehicle Fitment This resistor is commonly used in vintage domestic vehicles, including:

Make Models (Typical) Years
Chrysler B-Series, D-Series, Newport, Imperial 1960s–1970s
Dodge Dart, Charger, Coronet, Ramcharger 1960s–1980s
Plymouth Barracuda, Duster, Fury, Road Runner 1960s–1970s
Ford Mustang, F-100, Galaxie, Torino 1960s–1970s
Jeep CJ, Wagoneer, J-Series 1970s–1980s
AMC Javelin, Gremlin, Hornet, Matador 1970s

Always confirm fitment with your vehicle’s ignition system specs—especially if using aftermarket coils.

🔁 Cross Reference Numbers

  • Standard Motor Products: RU-4

  • GM OE: 12336814

  • Chrysler OE: 4106140

  • Motorcraft: B8A12250A

  • NAPA: ECH RR175

  • Carquest: RU4

  • Wells: JA101

  • Borg Warner: RU4

  • Niehoff: DR175

  • Echlin: RR175

Other fine products