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Top rated automotive replacement coolant level sensors

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Top rated automotive replacement coolant level sensors

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

  1. Best budget pick

    Dorman 904-403 Coolant Level Sensor

    4.4/5 $15-$25

    Affordable direct replacement sensor for many GM and Ford models; easy to install and durable.

    • Budget-friendly
    • Easy installation
    • Good durability
    • May not fit all vehicles
    View on Amazon
  2. Best for GM vehicles

    ACDelco 13500314 GM Original Equipment Coolant Level Sensor

    4.6/5 $20-$35

    OEM-quality sensor engineered for GM vehicles; ensures accurate readings and long service life.

    • OEM quality
    • Accurate readings
    • Long lasting
    • Higher price
    View on Amazon
  3. Best value

    Standard Motor Products S-247 Coolant Level Sensor

    4.3/5 $10-$20

    Reliable universal sensor suitable for multiple makes; tested for performance and durability.

    • Affordable
    • Universal fit
    • Reliable
    • Slightly lower build quality
    View on Amazon
  4. Best for BMW owners

    Genuine BMW 61318373140 Coolant Level Sensor

    4.5/5 $40-$60

    OEM sensor for BMW vehicles; exact fit and reliable performance.

    • OEM specification
    • Perfect fit
    • Durable
    • Expensive
    • Brand specific
    View on Amazon
  5. Best for Ford trucks

    Dorman 603-302 Coolant Level Sensor

    4.2/5 $12-$25

    Designed as a direct replacement for Ford F-150 and similar models; includes O-ring for easy installation.

    • Direct replacement
    • Includes O-ring
    • Good value
    • Limited compatibility
    View on Amazon
  6. Best cheap option

    Wells Vehicle Electronics SW901 Coolant Level Sensor

    4.2/5 $8-$15

    Ultra-low-cost sensor that works for universal applications; adequate for basic replacement needs.

    • Very cheap
    • Universal application
    • Quick fix
    • Lower reliability
    • Short lifespan
    View on Amazon
  7. Best overall

    Denso 780-004 Coolant Level Sensor

    4.5/5 $25-$40

    High-quality sensor from a leading OEM supplier; robust construction ensures accurate coolant level detection across many vehicles.

    • High quality
    • Widely compatible
    • Accurate
    • Slightly priced higher
    View on Amazon

Buying advice

When choosing a coolant level sensor, ensure compatibility with your vehicle's make, model, and year. OEM sensors offer the best fit and reliability, but aftermarket options can provide good value. Check reviews for common failure points and consider brands with solid warranties. Always inspect the connector and wiring for corrosion before purchasing.

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