Top rated automotive replacement headlamp relays

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AI-generated summary · updated July 28, 2026 · verify details before purchase.

1. 

   1 Best overall ACDelco

   ACDelco 12-Volt Headlamp Relay

   ★★★★★4.6/5 $42.00

   OEM quality relay for most GM vehicles, reliable and durable.

   • OEM fit and function
   • Durable construction
   • Easy to install

   • May not fit all aftermarket setups

   View on Amazon
2. 

   2 Best budget pick IGOYE

   TruTech 12V 30/40A Headlight Relay

   ★★★★☆4.5/5 $8.99

   Affordable universal relay with high amperage rating for brighter lights.

   • Very affordable
   • High amperage rating
   • Universal fit

   • Plastic housing less durable

   View on Amazon
3. 

   3 Best quality Standard Motor Products

   Standard Motor Products RY-59 Headlamp Relay

   ★★★★★4.7/5 $41.99 Only 1 left

   Premium aftermarket relay with excellent reviews for longevity and performance.

   • High quality construction
   • Long lifespan
   • Direct replacement for many vehicles

   • Slightly higher price

   View on Amazon
4. 

   4 Best kit Speedway Motors

   Speedway Motors Headlight Relay Kit

   ★★★★☆4.4/5 $61.99

   Complete relay harness kit for improved headlight voltage and brightness.

   • Complete kit with wiring
   • Improves light output
   • Includes instructions

   • More expensive than single relay
   • Installation requires wiring work

   View on Amazon
5. 

   5 Best value pack EPAuto

   EPAuto 12V 40A Relay (Pack of 2)

   ★★★★☆4.5/5 $11.97

   Two-pack of reliable 40A relays for headlight or other automotive uses.

   • Great value for two relays
   • Good build quality
   • Versatile use

   • Not specifically designed for headlights

   View on Amazon
6. 

   6 Bulk buy iRhapsody

   T-Y 12V 30A SPDT Relay (Pack of 5)

   ★★★★★4.6/5 $12.99

   Five-pack of standard relays ideal for multiple replacements or projects.

   • Very economical per relay
   • Includes mounting bracket
   • Widely compatible

   • May not meet OEM specs for some vehicles

   View on Amazon
7. 

   7 With harness Nilight

   Nilight 12V 40A Relay with Harness

   ★★★★☆4.4/5 $13.50

   Relay with pre-wired harness for easy installation in lighting upgrades.

   • Pre-wired harness saves time
   • 40A capacity
   • Water-resistant

   • Harness quality varies
   • Not a direct OEM replacement

   View on Amazon

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