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Top rated automotive replacement carburetor relays

AI-generated summary · updated July 27, 2026 · verify details before purchase.

  1. Best overall

    Standard Motor Products RY-116 Relay

    4.6/5 $8-$12

    High-quality, reliable replacement relay compatible with many carbureted vehicles; widely praised for durability and performance.

    • OE quality
    • Wide compatibility
    • Durable construction
    • May not fit some imports
  2. Best value

    Dorman 84780 Carburetor Relay

    4.5/5 $10-$15

    Affordable direct-fit relay; solid performance with good customer reviews for reliability.

    • Budget-friendly
    • Easy installation
    • Reliable
    • Plastic housing feels cheap
  3. Premium pick

    ACDelco 15-81227 Relay

    4.7/5 $15-$25

    OEM-grade relay from a trusted brand; excellent build quality ensures long service life.

    • OEM quality
    • Long lifespan
    • Corrosion-resistant
    • Higher price
  4. Jeep owners

    Omix-ADA 17309.01 Relay

    4.4/5 $8-$12

    Specifically designed for Jeep carbureted models; robust and weather-resistant.

    • Fits Jeep models
    • Weather-resistant
    • Good value
    • Limited compatibility
  5. Budget pick

    Four Seasons 35824 Relay

    4.3/5 $7-$10

    Low-cost relay that works well for basic carburetor systems; a decent temporary fix.

    • Very affordable
    • Lightweight
    • Shorter lifespan
    • Not for heavy use
  6. European cars

    Hella 4RA 003 510-121 Relay

    4.6/5 $12-$18

    German-engineered relay; known for precise switching and robust construction for European vehicles.

    • High precision
    • Durable
    • Great for European cars
    • Slightly expensive
  7. Chrysler/Dodge

    Mopar 4606936 Relay

    4.5/5 $10-$20

    Genuine Mopar part; perfect fit for Chrysler and Dodge carburetor systems.

    • Direct fit
    • OEM reliability
    • Backed by Mopar
    • Premium price
  8. Compact design

    Denso 156700-0720 Relay

    4.7/5 $10-$15

    Compact, high-quality relay from Denso; ideal for tight engine bays and consistent performance.

    • Compact size
    • High reliability
    • Wide voltage range
    • Not universal

Buying advice

When choosing a carburetor relay, ensure compatibility with your vehicle's make and model. Check the relay's amperage rating and form factor (e.g., SPST vs SPDT). OEM or premium brands often offer better longevity, but budget options can work for basic needs. Always verify connector type and mounting bracket compatibility.

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