The best automotive replacement ignition ballast resistors you can buy

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AI-generated summary · updated September 11, 2026 · verify details before purchase.

1. 

   1 Best overall Standard Motor Products

   Standard Motor Products RU-12 Blower Motor Resistor

   ★★★★☆4.5/5 $30.46 Only 2 left

   High-quality replacement for many GM vehicles; durable and direct fit.

   • OEM quality
   • Easy installation
   • Long lifespan

   • Limited to specific models

   View on Amazon manufacturer site
2. 

   2 Best budget pick ACDelco

   ACDelco 15-7296 Ignition Ballast Resistor

   ★★★★☆4.4/5 $24.86

   Affordable OE replacement for older GM cars and trucks; reliable performance.

   • Very affordable
   • OEM fit
   • Good durability

   • Not for all makes

   View on Amazon manufacturer site
3. 

   3 Best value QKEEDSN

   Duralast Ballast Resistor DL-100

   ★★★★☆4.3/5 $11.99

   Commonly available, fits many Chrysler and Ford models; decent value.

   • Wide vehicle fit
   • Affordable
   • Decent build

   • May corrode over time

   View on Amazon manufacturer site
4. 

   4 Best for GM BOXI

   BWD RU-12 Blower Motor Resistor

   ★★★★☆4.4/5 $10.59

   Direct replacement for GM vehicles; reliable and well-reviewed.

   • OEM specs
   • Plug-and-play
   • Durable

   • Only GM fitment

   View on Amazon
5. 

   5 Budget for Ford QKEEDSN

   TecTecTec Ignition Ballast Resistor for Ford

   ★★★★☆4.2/5 $11.99

   Inexpensive option for older Ford models; functional but basic.

   • Low cost
   • Works as intended
   • Easy swap

   • Limited longevity
   • Not robust

   View on Amazon
6. 

   6 Best for Chrysler Mopar

   Mopar 3420973 Ignition Ballast Resistor

   ★★★★☆4.5/5 $122.11 Only 1 left

   Genuine Mopar part for Chrysler/Dodge vehicles; excellent quality.

   • Genuine OEM
   • Perfect fit
   • Long-lasting

   • Expensive for a resistor

   View on Amazon manufacturer site
7. 

   7 Best for Ford Standard Motor Products

   Standard Motor Products RU-13 Blower Motor Resistor

   ★★★★☆4.4/5 $30.46 Only 2 left

   Reliable replacement for Ford vehicles; robust construction.

   • Good build
   • Fit confirmed
   • Consistent rating

   • May need modification on some models

   View on Amazon manufacturer site
8. 

   8 Premium pick QKEEDSN

   Denso 87010 Ignition Ballast Resistor

   ★★★★★4.6/5 $11.99

   High-quality Japanese-made resistor; very durable and precise.

   • Excellent quality
   • Long life
   • Great reviews

   • Higher price point
   • Limited universal fit

   View on Amazon manufacturer site
9. 

   9 Budget multi-fit QKEEDSN

   Niehoff Ignition Ballast Resistor

   ★★★★☆4.1/5 $11.99

   Budget-friendly option that fits a wide range of vehicles; adequate performance.

   • Cheap
   • Broad fitment
   • Simple install

   • Inconsistent quality
   • Short life

   View on Amazon

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