Standard Ignition RY-668 Engine Cooling Fan Motor Relay

Brand Standard Ignition RY-668
Connector Gender Female
Connector Shape Rectangular
Contents Relay
Continuous Duty No
Functions Relay
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Mazda · 12 vehicles

12-volt relay. Built for dependable electrical switching in cooling fan circuits.

Rectangular connector. Single female connector with five blade terminals for a secure connection.

Standard Ignition quality. Trusted relay construction from a long-standing ignition and electrical brand.

Cross-references Four Seasons 20219, Standard Ignition RY-668 and AR6173 for the same application. See all 5.

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Engine Cooling Fan Motor Relay for Mazda

Standard Ignition RY-668 is a 12-volt engine cooling fan motor relay built with a rectangular female connector, five male blade terminals, and a single connector interface. It is a direct-fit electrical relay for cooling fan control on select Mazda applications, including Mazda Millenia and Mazda Miata.

Key Features

  • Engine cooling fan motor relay for 12-volt systems
  • Rectangular connector design with female connector gender
  • Five male blade terminals for relay circuit connection
  • Single-connector configuration
  • Standard Ignition RY-668 replacement relay
  • Fits 1995-2002 Mazda Millenia and 1994-1997 Mazda Miata

Product Details

Standard Ignition RY-668 is an engine cooling fan motor relay used in the cooling fan control circuit to switch electrical power as commanded by the vehicle system. The relay’s 5-terminal blade design and 12-volt specification match common OE-style relay layouts used in Mazda cooling fan applications. For buyers searching for a Mazda Millenia cooling fan relay or a Mazda Miata engine cooling fan motor relay, RY-668 provides a direct replacement option for the listed model years. This part cross-references Four Seasons 20219 for the same application.

What It Helps Fix

  • Cooling fan not turning on
  • Cooling fan running intermittently
  • Relay-related overheating concerns
  • Electrical switching faults in the fan circuit
  • Failed relay causing inconsistent fan operation

Installation Notes and Tips

Verify connector shape, terminal count, and voltage before installation. Match the relay location and wiring layout to the original part on the vehicle. Confirm the cooling fan circuit diagnosis before replacing the relay, and inspect related fuses, connectors, and wiring for heat damage or corrosion.

Quality Assurance

Standard Ignition supplies replacement electrical components for automotive repair applications. RY-668 is built to match the listed relay specifications for the confirmed Mazda fitments.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2002MazdaMilleniaN/A
2001MazdaMilleniaN/A
2000MazdaMilleniaN/A
1999MazdaMilleniaN/A
1998MazdaMilleniaN/A
1997MazdaMiataN/A
1997MazdaMillenia2.5LV6N/A
1996MazdaMiataN/A
1996MazdaMillenia2.5LV6N/A
1995MazdaMiataN/A
1995MazdaMillenia2.5LV6N/A
1994MazdaMiataN/A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 20219Standard Ignition — RY-668AR6173EE1267720R6173