HomeBelts and Cooling > RelaysStandard Ignition RY-651 Engine Cooling Fan Motor Relay
Part #: RY-651

Standard Ignition RY-651 Engine Cooling Fan Motor Relay

⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, Miata, Protege, Protege5, and MPV
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Reliable Engine Cooling Fan Motor Relay for Mazda Vehicles

The Standard Ignition RY-651 Engine Cooling Fan Motor Relay is designed to provide dependable electrical control for your Mazda Miata, MPV, Protege, and Protege5. This relay ensures proper operation of the engine cooling fan, helping maintain optimal engine temperature and performance.

  • Compatible with Mazda Miata, MPV, Protege, and Protege5 models
  • Standard Ignition part number RY-651
  • 12-volt relay with a rectangular female connector
  • Includes one connector and four male blade terminals
  • Does not include a mounting bracket
  • Designed for relay function in engine cooling fan circuits

Product Features and Specifications

This engine cooling fan motor relay operates at 12 volts and features a single rectangular female connector, ensuring a secure and precise fit. It includes four male blade terminals for reliable electrical connections. The relay is designed for intermittent duty rather than continuous operation, matching the requirements of the engine cooling fan system. Note that this relay does not come with a mounting bracket, so installation will require using the existing bracket or mounting hardware.

Purpose and Application

The Standard Ignition RY-651 relay is essential for controlling the engine cooling fan motor in select Mazda vehicles. It helps regulate the fan's operation to prevent engine overheating and maintain efficient cooling system performance.

  • Prevents engine overheating by controlling fan activation
  • Replaces faulty or worn engine cooling fan motor relays
  • Resolves intermittent fan operation issues
  • Eliminates electrical faults causing fan failure
  • Supports proper engine temperature regulation

Installation Notes and Tips

When installing the RY-651 relay, ensure the connector is properly aligned with the rectangular female connector on the vehicle wiring harness. Verify that the four male blade terminals are securely connected to avoid electrical issues. Since the relay does not include a mounting bracket, use the existing bracket or secure the relay in a suitable location to prevent vibration or movement during vehicle operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RY-651 relay undergoes quality testing to ensure reliable performance in engine cooling fan applications. Please refer to Standard Ignition's warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberRY-651
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005MazdaMiataN/A
2005MazdaMPV3.0LV6N/A
2004MazdaMiataN/A
2004MazdaMPV3.0LV6N/A
2003MazdaMiataN/A
2003MazdaMPV3.0LV6N/A
2003MazdaProtegeN/A
2003MazdaProtege5N/A
2002MazdaMiataN/A
2002MazdaMPV3.0LV6N/A
2002MazdaProtegeN/A
2002MazdaProtege5N/A
2001MazdaMiataN/A
2001MazdaMPVN/A
2001MazdaProtegeN/A
2000MazdaMPVN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1R15342020256-1961AR6156B15067730R6156RAA1934

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.