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Automotive replacement glow plug relays: top picks

AI-shortlisted picks, with current prices and ratings.

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Automotive replacement glow plug relays: top picks

AI-generated summary · updated September 7, 2026 · verify details before purchase.

  1. ACDelco GM Original Equipment 12642623 Glow Plug Relay
    Best OEM replacement GM GENUINE PARTS

    ACDelco GM Original Equipment 12642623 Glow Plug Relay

    4.3/5 $38.88

    ACDelco GM Original Equipment 12642623 Glow Plug Relay is a genuine OEM replacement part designed for GM vehicles, offering excellent quality and fitment.

    • Genuine OEM quality
    • Exact fitment
    • Durable design
    • Limited compatibility
    View on Amazon
  2. Standard Motor Products RU129 Glow Plug Relay
    Best budget pick Standard Motor Products

    Standard Motor Products RU129 Glow Plug Relay

    4.4/5 $36.18 Only 1 left

    Standard Motor Products RU129 Glow Plug Relay is a cost-effective replacement part that offers excellent value without compromising on quality or performance.

    • Affordable price
    • Easy installation
    • Reliable performance
    • Less durable construction
    View on Amazon manufacturer site
  3. Motorcraft DG-521 Glow Plug Relay
    Best for Ford vehicles Motorcraft

    Motorcraft DG-521 Glow Plug Relay

    4.2/5 $81.65 Only 5 left

    Motorcraft DG-521 Glow Plug Relay is a high-quality replacement part designed for Ford vehicles, offering excellent performance and durability.

    • Durable construction
    • Reliable performance
    • Ford-specific design
    • Limited compatibility
    View on Amazon
  4. Dorman 904-201 Glow Plug Relay
    Best for universal application Dorman

    Dorman 904-201 Glow Plug Relay

    4.3/5 $36.78

    Dorman 904-201 Glow Plug Relay is a universal replacement part that can fit a wide range of vehicles, offering excellent value and flexibility.

    • Universal compatibility
    • Easy installation
    • Affordable price
    • Less durable construction
    View on Amazon manufacturer site
  5. Bosch 1212 Glow Plug Relay
    Best overall Bosch

    Bosch 1212 Glow Plug Relay

    4.5/5 $35.50 Currently unavailable

    Bosch 1212 Glow Plug Relay is a high-quality replacement part with excellent performance and reliability, designed to provide a consistent flow of power to the glow plugs.

    • Durable construction
    • Easy installation
    • Reliable performance
    • None reported
    View on Amazon manufacturer site

Buying tips

When buying a glow plug relay, consider the compatibility with your vehicle's make and model, as well as the quality and durability of the replacement part. Look for OEM or high-quality aftermarket parts with excellent reviews and ratings. Additionally, check the warranty and return policy offered by the manufacturer or seller.

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