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Best automotive replacement fuel injection combination relays, ranked

AI-shortlisted picks, with current prices and ratings.

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Best automotive replacement fuel injection combination relays, ranked

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

  1. Bosch 0 332 209 001 Fuel Injection Relay
    Best overall Bosch

    Bosch 0 332 209 001 Fuel Injection Relay

    4.6/5 $3.30

    High reliability and OEM fit for most GM, Ford, and Chrysler engines.

    • OEM quality
    • Wide compatibility
    • Higher price
    View on Amazon manufacturer site
  2. Delphi 28031 Fuel Injection Relay
    Best value BAYDE

    Delphi 28031 Fuel Injection Relay

    4.4/5 $21.99

    Durable construction with a solid copper coil, suitable for many domestic vehicles.

    • Durable coil
    • Good price
    • Limited to US models
    View on Amazon manufacturer site
  3. Standard Motor Products 125-1007 Relay Kit
    Best for performance Standard Motor Products

    Standard Motor Products 125-1007 Relay Kit

    4.5/5 $25.83 Only 12 left

    Designed for high-current fuel injection systems in performance builds.

    • High current rating
    • Robust housing
    • May need wiring modifications
    View on Amazon manufacturer site
  4. Dorman 842-501 Relay
    Best budget pick Dorman

    Dorman 842-501 Relay

    4.3/5 $8.49

    Economical replacement that meets OEM specs for many Asian imports.

    • Low cost
    • Easy install
    • Shorter lifespan
    View on Amazon manufacturer site
  5. Best for Ford

    Motorcraft 86170 Fuel Injection Relay

    4.6/5 $55-$70

    Exact OEM match for Ford vehicles, known for consistent performance.

    • Exact OEM match
    • Reliable operation
    • Ford only
    View on Amazon manufacturer site
  6. TRW 30-215-006 Fuel Injection Relay
    Best for European cars Standard Motor Products

    TRW 30-215-006 Fuel Injection Relay

    4.5/5 $30.20

    Engineered for European models, offering strong resistance to heat.

    • Heat resistant
    • European fit
    • Harder to source
    View on Amazon manufacturer site
  7. ACDelco 124-4472 Relay
    Best for GM ACDelco

    ACDelco 124-4472 Relay

    4.4/5 $14.99

    GM-approved relay delivering consistent fuel delivery under load.

    • GM approved
    • Consistent performance
    • Limited to GM
    View on Amazon manufacturer site

What to consider before buying

When choosing a replacement fuel injection relay, verify the exact part number and electrical specs for your engine, consider the current rating needed for your vehicle’s fuel system, and balance price with reliability - OEM-matched relays tend to be more dependable, while reputable aftermarket options can offer good value.

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