Standard Ignition RY-674 Engine Cooling Fan Motor Relay

Engine Cooling Fan Relay for Mazda Applications

Standard Ignition RY-674 is a 12-volt engine cooling fan motor relay built with a 5-blade male terminal layout and a rectangular female connector. It is rated at 20 amps and is used to control cooling fan motor operation in select Mazda vehicles, including the Mazda Protege and Mazda RX-7.

Key Features

• Engine cooling fan motor relay for 12-volt systems
• 20 amp amperage rating for fan circuit control
• Rectangular female connector with 1 connector interface
• 5 male blade terminals for direct electrical connection
• Relay-only contents with no mounting bracket included
• Standard Ignition RY-674 replacement part number

Detailed Product Information

Standard Ignition RY-674 is an engine cooling fan motor relay used to switch power to the cooling fan circuit when the vehicle’s control system calls for fan operation. The relay’s 20 A rating, 12-volt design, and blade-terminal configuration support electrical control in applications that require a rectangular female connector and a 5-terminal relay layout. This part cross-references Four Seasons 20215 for the same application. It also cross-references AR6179 and R6179 for the same application.

Compatible With 1995-1998 Mazda Protege and 1993-1995 Mazda RX-7. If you are searching for a Mazda Protege cooling fan relay or a Mazda RX-7 engine cooling fan motor relay, RY-674 is the direct part number to reference.

Common Problems This Relay Can Address

• Cooling fan not switching on when engine temperature rises
• Intermittent fan operation caused by relay contact wear
• Electrical control issues in the fan circuit
• Overheating concerns related to fan relay failure
• Need for a replacement relay with the correct terminal and connector style

Installation Notes and Tips

Verify the connector shape, terminal count, and amperage rating before installation. Match the vehicle’s original relay layout to the 5-blade male terminal design and rectangular female connector on Standard Ignition RY-674. Confirm the cooling fan circuit diagnosis before replacing the relay, and inspect related wiring, fuse protection, and fan motor condition during service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical replacement parts, and RY-674 is built to match the specified relay configuration for the listed Mazda applications.