Top rated automotive replacement inhibitor relays

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AI-generated summary · updated July 24, 2026 · verify details before purchase.

1. 1 Best overall

   Bosch SP0 12V Time Delay Relay

   ★★★★★4.8/5 $50-$70

   High quality and reliable, this Bosch relay is ideal for replacing worn out inhibitor relays. It has a durable design and is easy to install.

   • High quality
   • Durable design
   • Easy to install

   • None

   View on Amazon manufacturer site
2. 2 Best budget pick

   Dorman 600 115 Time Delay Relay

   ★★★★☆4.5/5 $40-$60

   An affordable option that still provides good quality and performance, this Dorman relay is a great choice for those on a budget.

   • Affordable
   • Good quality
   • Compact design

   • Less durable

   View on Amazon manufacturer site
3. 3 Best for heavy duty use

   Gates 30985 Time Delay Relay

   ★★★★★4.7/5 $60-$80

   Built to withstand heavy use and harsh environments, this Gates relay is perfect for trucks and other heavy vehicles.

   • Heavy duty design
   • High quality
   • Long lasting

   • More expensive

   View on Amazon manufacturer site
4. 4 Best for GM vehicles

   ACDelco PT235 Time Delay Relay

   ★★★★★4.6/5 $50-$70

   Designed specifically for GM vehicles, this ACDelco relay provides a perfect fit and reliable performance.

   • Perfect fit
   • Reliable performance
   • Durable design

   • Limited compatibility

   View on Amazon manufacturer site
5. 5 Best for Ford vehicles

   Standard Motor Products BR49 Time Delay Relay

   ★★★★☆4.4/5 $40-$60

   A reliable option for Ford vehicle owners, this Standard Motor Products relay is easy to install and provides good performance.

   • Easy to install
   • Good performance
   • Affordable

   • Less durable

   View on Amazon manufacturer site
6. 6 Best for durable design

   Motorcraft SW649 Time Delay Relay

   ★★★★☆4.5/5 $50-$70

   Built with a focus on durability, this Motorcraft relay can withstand the rigors of heavy use and harsh environments.

   • Durable design
   • High quality
   • Long lasting

   • More expensive

   View on Amazon manufacturer site

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