HomeIgnition > Primary IgnitionStandard Ignition RU-37 Ballast Resistor
Part #: RU-37

Standard Ignition RU-37 Ballast Resistor

⚙️ 242 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$13.86Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Chrysler, Plymouth, Honda, Jeep, Checker, DeSoto, Ford, and Studebaker, B150, B250, B350, Dakota, Power Ram 50, Ram 50, Fifth Avenue, Caravelle, Gran Fury, Horizon, Reliant, Turismo, Voyager, Laser, LeBaron, New Yorker, Town & Country, D150, D250, D350, Diplomat, Ramcharger, W150, W250, W350, Cordoba, E Class, Imperial, Mirada, PB150, PB250, PB350, Scamp, D50, St. Regis, B100, B200, B300, CB300, D200, D300, W200, W300, Arrow, Sapporo, D100, Colt, RD200, Newport, Aspen, Charger, Monaco, Royal Monaco, W100, Fury, PB100, PB200, PB300, Trailduster, Volare, Coronet, Dart, Duster, Valiant, D100 Pickup, D200 Pickup, D300 Pickup, M300, MB300, RM300, W100 Pickup, W200 Pickup, W300 Pickup, Barracuda, Fury I, Fury II, Fury III, PB100 Van, PB200 Van, PB300 Van, Road Runner, Satellite, Polara, Civic, CJ5, CJ6, DJ5, J-2500, J-2600, J-4500, J-4600, J-4700, J-4800, Wagoneer, P300, P300 Van, J-3800, Jeepster, J-2700, J-3500, J-3600, J-3700, CJ5A, CJ6A, DJ6, J-2800, Gladiator, Marathon, J-200, J-300, Superba, 330, 440, 880, Lancer, Belvedere, Savoy, Adventurer, Fireflite, Matador, Firedome, Firesweep, Royal, Taunus, Plaza, C-3, Truck, and Golden Hawk
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Ballast Resistor RU-37

The Standard Ignition RU-37 ballast resistor is designed to regulate voltage in the primary ignition circuit, ensuring consistent coil performance. This coil resistor is compatible with various Chrysler, Dodge, Honda, Jeep, and Plymouth models, providing reliable ignition system operation.

  • Includes mounting bracket(s) for secure installation
  • Features two male blade terminals for easy connection
  • No connector included, allowing for flexible wiring options
  • Designed as a coil resistor to manage ignition coil voltage
  • Compatible with multiple vehicle makes and models

Detailed Product Description and Attributes

The RU-37 ballast resistor from Standard Ignition is engineered to maintain proper voltage levels in the ignition system by reducing the current to the ignition coil after engine start. This helps prevent coil overheating and extends component life. The resistor comes with mounting brackets for a stable and secure fit within the engine bay. It features two male blade terminals, which are standard in many ignition systems, facilitating straightforward installation and connection. The absence of a connector allows for customization based on the vehicle’s wiring harness.

Compatible Vehicles and Applications

This ballast resistor is compatible with a range of vehicles, including Chrysler models like the Dodge Charger and Plymouth Duster, as well as Honda Civic and Jeep Wagoneer. It fits various trucks and vans such as the Dodge Ram 50, Power Ram 50, and multiple Plymouth and Chrysler full-size models including the Town & Country and New Yorker. The RU-37 is suitable for ignition systems requiring a coil resistor with blade terminals and mounting brackets.

Common Issues Addressed by RU-37 Ballast Resistor

  • Prevents ignition coil overheating by regulating voltage
  • Reduces risk of coil failure and ignition misfires
  • Ensures stable engine starting and running performance
  • Eliminates erratic ignition behavior caused by faulty resistors
  • Supports longevity of ignition system components

Installation Notes and Tips

  • Verify vehicle compatibility with the RU-37 part number before installation
  • Use the included mounting brackets to secure the resistor firmly
  • Ensure blade terminals are properly connected to avoid loose contacts
  • Check wiring harness condition and replace any damaged connectors
  • Disconnect the battery before installation to prevent electrical shorts

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RU-37 ballast resistor undergoes quality control testing to maintain consistent electrical resistance and fitment standards. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberRU-37
Connector GenderNo Connector
ContentsCoil Resistor
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade

This part fits 242 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994DodgeB150N/A
1994DodgeB250N/A
1994DodgeB350N/A
1994DodgeDakotaN/A2 Terminal Fitment
1993DodgeB150N/A
1993DodgeB250N/A
1993DodgeB350N/A
1993DodgeDakotaN/A2 Terminal Fitment
1992DodgeB150N/A
1992DodgeB250N/A
1992DodgeB350N/A
1992DodgeDakotaN/A2 Terminal Fitment
1991DodgeB150N/A
1991DodgeB250N/A
1991DodgeB350N/A
1991DodgeDakotaN/A2 Terminal Fitment
1990DodgeB150N/A2 Terminal Fitment
1990DodgeB250N/A2 Terminal Fitment
1990DodgeB350N/A2 Terminal Fitment
1990DodgeDakotaN/A2 Terminal Fitment
1989DodgeB150N/A2 Terminal Fitment
1989DodgeB250N/A2 Terminal Fitment
1989DodgeB350N/A2 Terminal Fitment
1989DodgeDakotaN/A2 Terminal Fitment
1988DodgeB150N/A2 Terminal Fitment
1988DodgeB250N/A2 Terminal Fitment
1988DodgeB350N/A2 Terminal Fitment
1988DodgeDakotaN/A2 Terminal Fitment
1987DodgeB150N/A2 Terminal Fitment
1987DodgeB250N/A2 Terminal Fitment
1987DodgeB350N/A2 Terminal Fitment
1986DodgeB150N/A2 Terminal Fitment
1986DodgeB250N/A2 Terminal Fitment
1986DodgeB350N/A2 Terminal Fitment
1986DodgePower Ram 50N/A
1986DodgeRam 50N/A
1985ChryslerFifth AvenueN/A
1985DodgeB150N/A2 Terminal Fitment
1985DodgeB250N/A2 Terminal Fitment
1985DodgeB350N/A2 Terminal Fitment
1985DodgePower Ram 50N/A
1985DodgeRam 50N/A
1985PlymouthReliantN/A
1985PlymouthTurismoN/Aw/ Electronic Spark Advance
1985PlymouthVoyager2.2LL4N/Aw/ Electronic Spark Advance
1985PlymouthVoyager2.6LL4N/Aw/ Electronic Spark Advance
1984ChryslerFifth AvenueN/A
1984ChryslerLaser2.2LL4N/A2 Prong w/ Lean Burn
1984ChryslerLeBaron2.2LL4N/Aw/ Lean Burn
1984ChryslerNew Yorker2.2LL4N/Aw/ Lean Burn
1984ChryslerTown & Country2.2LL4N/Aw/ Lean Burn
1984DodgeB150N/A2 Terminal Fitment
1984DodgeB250N/A2 Terminal Fitment
1984DodgeB350N/A2 Terminal Fitment
1984DodgeD150N/A2 Terminal Fitment
1984DodgeD250N/A2 Terminal Fitment
1984DodgeD350N/A2 Terminal Fitment
1984DodgePower Ram 50N/A
1984DodgeRam 50N/A
1984DodgeRamchargerN/A2 Terminal Fitment
1984DodgeW150N/A2 Terminal Fitment
1984DodgeW250N/A2 Terminal Fitment
1984DodgeW350N/A2 Terminal Fitment
1984PlymouthReliantN/A
1984PlymouthTurismoN/Aw/ Electronic Spark Advance
1984PlymouthVoyager2.2LL4N/Aw/ Electronic Spark Advance
1984PlymouthVoyager2.6LL4N/Aw/ Electronic Spark Advance
1983ChryslerFifth AvenueN/A
1983ChryslerImperialN/A
1983ChryslerLeBaron2.2LL4N/Aw/ Lean Burn
1983ChryslerNew Yorker2.2LL4N/Aw/ Lean Burn
1983ChryslerTown & Country2.2LL4N/Aw/ Lean Burn
1983DodgeB150N/A2 Terminal Fitment
1983DodgeB250N/A2 Terminal Fitment
1983DodgeB350N/A2 Terminal Fitment
1983DodgeD150N/A2 Terminal Fitment
1983DodgeD250N/A2 Terminal Fitment
1983DodgeD350N/A2 Terminal Fitment
1983DodgePower Ram 50N/A
1983DodgeRam 50N/A
1983DodgeRamchargerN/A2 Terminal Fitment
1983DodgeW150N/A2 Terminal Fitment
1983DodgeW250N/A2 Terminal Fitment
1983DodgeW350N/A2 Terminal Fitment
1983PlymouthPB150N/A2 Terminal Fitment
1983PlymouthPB250N/A2 Terminal Fitment
1983PlymouthPB350N/A2 Terminal Fitment
1983PlymouthReliantN/A
1983PlymouthTurismoN/A
1982ChryslerImperialN/A
1982ChryslerLeBaron2.2LL4N/Aw/ Lean Burn
1982ChryslerNew YorkerN/Aw/ Lean Burn
1982DodgeB150N/A2 Terminal Fitment
1982DodgeB250N/A2 Terminal Fitment
1982DodgeB350N/A2 Terminal Fitment
1982DodgeD150N/A2 Terminal Fitment
1982DodgeD250N/A2 Terminal Fitment
1982DodgeD350N/A2 Terminal Fitment
1982DodgeD50N/A
1982DodgeRamchargerN/A2 Terminal Fitment
1982DodgeW150N/A2 Terminal Fitment
1982DodgeW250N/A2 Terminal Fitment
1982DodgeW350N/A2 Terminal Fitment
1982PlymouthPB150N/A2 Terminal Fitment
1982PlymouthPB250N/A2 Terminal Fitment
1982PlymouthPB350N/A2 Terminal Fitment
1982PlymouthReliantN/A
1981ChryslerImperialN/A
1981ChryslerLeBaronN/Aw/ Lean Burn
1981ChryslerNew YorkerN/Aw/ Lean Burn
1981DodgeB150N/A2 Terminal Fitment
1981DodgeB250N/A2 Terminal Fitment
1981DodgeB350N/A2 Terminal Fitment
1981DodgeD150N/A2 Terminal Fitment
1981DodgeD250N/A2 Terminal Fitment
1981DodgeD350N/A2 Terminal Fitment
1981DodgeD50N/A
1981DodgeRamchargerN/A2 Terminal Fitment
1981DodgeW150N/A2 Terminal Fitment
1981DodgeW250N/A2 Terminal Fitment
1981DodgeW350N/A2 Terminal Fitment
1981PlymouthReliantN/A
1980ChryslerLeBaronN/Aw/ Lean Burn; 2 Term.
1980DodgeB100N/A2 Terminal Fitment
1980DodgeB200N/A2 Terminal Fitment
1980DodgeB300N/A2 Terminal Fitment
1980DodgeD150N/A2 Terminal Fitment
1980DodgeD200N/A2 Terminal Fitment
1980DodgeD300N/A2 Terminal Fitment
1980DodgeD50N/A
1980DodgeRamchargerN/A2 Terminal Fitment
1980DodgeW150N/A2 Terminal Fitment
1980DodgeW200N/A2 Terminal Fitment
1980DodgeW300N/A2 Terminal Fitment
1979ChryslerLeBaronN/Aw/ Lean Burn; 2 Term.
1979DodgeB100N/A2 Terminal Fitment
1979DodgeB200N/A2 Terminal Fitment
1979DodgeB300N/A2 Terminal Fitment
1979DodgeD100N/A2 Terminal Fitment
1979DodgeD150N/A2 Terminal Fitment
1979DodgeD200N/A2 Terminal Fitment
1979DodgeD300N/A2 Terminal Fitment
1979DodgeRamchargerN/A2 Terminal Fitment
1979DodgeW150N/A2 Terminal Fitment
1979DodgeW200N/A2 Terminal Fitment
1979DodgeW300N/A2 Terminal Fitment
1978ChryslerLeBaronN/Aw/ Lean Burn; 2 Term.
1978DodgeB100N/A2 Terminal Fitment
1978DodgeB200N/A2 Terminal Fitment
1978DodgeB300N/A2 Terminal Fitment
1978DodgeD100N/A2 Terminal Fitment
1978DodgeD150N/A2 Terminal Fitment
1978DodgeD200N/A2 Terminal Fitment
1978DodgeD300N/A2 Terminal Fitment
1978DodgeRamchargerN/A2 Terminal Fitment
1978DodgeW150N/A2 Terminal Fitment
1978DodgeW200N/A2 Terminal Fitment
1978DodgeW300N/A2 Terminal Fitment
1977ChryslerLeBaronN/Aw/ Lean Burn; 2 Term.
1977ChryslerNew YorkerN/Aw/ Lean Burn; 2 Term.
1977ChryslerNewportN/Aw/ Lean Burn; 2 Term.
1977DodgeAspenN/A2 Terminal Fitment
1977DodgeB100N/A2 Terminal Fitment
1977DodgeB200N/A2 Terminal Fitment
1977DodgeB300N/A2 Terminal Fitment
1977DodgeChargerN/A2 Terminal Fitment
1977DodgeD100N/A2 Terminal Fitment
1977DodgeD150N/A2 Terminal Fitment
1977DodgeD200N/A2 Terminal Fitment
1977DodgeD300N/A2 Terminal Fitment
1977DodgeMonacoN/A2 Terminal Fitment
1977DodgeRamchargerN/A2 Terminal Fitment
1977DodgeW100N/A2 Terminal Fitment
1977DodgeW150N/A2 Terminal Fitment
1977DodgeW200N/A2 Terminal Fitment
1977DodgeW300N/A2 Terminal Fitment
1976ChryslerNew YorkerN/Aw/ Lean Burn; 2 Term.
1976ChryslerNewportN/Aw/ Lean Burn; 2 Term.
1976DodgeAspenN/A2 Terminal Fitment
1976DodgeB100N/A2 Terminal Fitment
1976DodgeB200N/A2 Terminal Fitment
1976DodgeB300N/A2 Terminal Fitment
1976DodgeChargerN/A2 Terminal Fitment
1976DodgeD100N/A2 Terminal Fitment
1976DodgeD200N/A2 Terminal Fitment
1976DodgeD300N/A2 Terminal Fitment
1976DodgeDartN/A2 Terminal Fitment
1976DodgeMonacoN/A2 Terminal Fitment
1976DodgeRamchargerN/A2 Terminal Fitment
1976DodgeW100N/A2 Terminal Fitment
1976DodgeW200N/A2 Terminal Fitment
1976DodgeW300N/A2 Terminal Fitment
1975ChryslerImperialN/A2 Terminal Fitment
1975ChryslerNew YorkerN/Aw/ Lean Burn; 2 Term.
1975ChryslerNewportN/Aw/ Lean Burn; 2 Term.
1975DodgeB100N/A
1975DodgeB200N/A
1975DodgeB300N/A
1975DodgeChargerN/A2 Terminal Fitment
1975DodgeD100N/A2 Terminal Fitment
1975DodgeD200N/A2 Terminal Fitment
1975DodgeD300N/A2 Terminal Fitment
1975DodgeDartN/A2 Terminal Fitment
1975DodgeMonacoN/A2 Terminal Fitment
1975DodgeRamchargerN/A2 Terminal Fitment
1975DodgeW100N/A2 Terminal Fitment
1975DodgeW200N/A2 Terminal Fitment
1975DodgeW300N/A2 Terminal Fitment
1974ChryslerImperialN/A2 Terminal Fitment
1974ChryslerNew YorkerN/Aw/ Lean Burn; 2 Term.
1974ChryslerNewportN/Aw/ Lean Burn; 2 Term.
1974DodgeChargerN/A2 Terminal Fitment
1974DodgeDartN/A2 Terminal Fitment
1974DodgeMonacoN/A2 Terminal Fitment
1974DodgeRamchargerN/A2 Terminal Fitment
1973ChryslerImperialN/A2 Terminal Fitment
1973ChryslerNew YorkerN/Aw/ Lean Burn; 2 Term.
1973ChryslerNewportN/Aw/ Lean Burn; 2 Term.
1973DodgeChargerN/A2 Terminal Fitment
1973DodgeDartN/A2 Terminal Fitment
1973DodgeMonacoN/A2 Terminal Fitment
1973HondaCivicN/A
1973JeepCJ5N/ADistributor Rotor.
1973JeepWagoneerN/ADistributor Rotor.
1972ChryslerNew YorkerN/A2 Terminal Fitment
1972JeepCJ5N/ADistributor Rotor.
1972JeepWagoneerN/ADistributor Rotor.
1971JeepCJ5N/Aw/ Prestolite Ignition
1971JeepWagoneerN/Aw/ Prestolite Ignition
1970JeepCJ5N/Aw/ Prestolite Ignition
1970JeepWagoneerN/A
1969JeepCJ5N/Aw/ Prestolite Ignition
1969JeepWagoneerN/A
1968JeepCJ5N/Aw/ Prestolite Ignition
1968JeepWagoneerN/A
1965JeepWagoneerN/A
1963DodgeDartN/A
1962DodgeDartN/A
1962DodgeLancerN/A
1961DodgeDartN/A
1961DodgeLancerN/A
1960DodgeDartN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1230976319139962315721550-55006R100773070AL795FR51ICR23RU12RUA1069

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.