Standard Ignition RY-874 HVAC Automatic Temperature Control (ATC) Relay

Brand Standard Ignition RY-874
Amperage Rating 25
Connector Gender Female
Connector Shape Rectangular
Contents Includes Bracket
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included Yes
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Hyundai · 12 vehicles

ATC relay. Controls HVAC system operation with a 12-volt, 25-amp design.

Bracket included. Comes with a mounting bracket for easier installation.

Blade terminals. Features a rectangular connector with four male blade terminals.

Cross-references Gates 20776, Standard Ignition RY-874 and 1202F200 for the same application. See all 5.

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HVAC Relay for Automatic Temperature Control

Standard Ignition RY-874 is a 12-volt HVAC automatic temperature control relay built for vehicles that use a female rectangular connector and 4 male blade terminals. It includes a mounting bracket for secure installation and is rated at 25 amps for relay operation in the climate control circuit.

Compatible With 2000-2006 Kia Spectra, 2005-2006 Kia Spectra5, and 2005-2007 Hyundai Tucson applications, this relay supports HVAC system control where the original unit has failed or become intermittent. The Standard Ignition RY-874 is a direct-fit service part for common temperature control relay replacement needs.

Key Features

  • Part number: RY-874
  • HVAC automatic temperature control relay
  • 12-volt electrical system
  • 25 amp amperage rating
  • Female rectangular connector
  • 4 male blade terminals
  • Includes mounting bracket
  • Single relay function for HVAC control circuits

Detailed Description

Standard Ignition RY-874 is an HVAC ATC relay used in climate control systems that rely on relay switching for temperature management functions. Its rectangular connector design, blade-style terminals, and included bracket support a clean replacement in the original mounting location. For buyers searching for a 2000-2006 Kia Spectra HVAC relay, a 2005-2006 Kia Spectra5 automatic temperature control relay, or a 2005-2007 Hyundai Tucson HVAC relay, this part number matches the listed applications.

This part cross-references Gates 20776 for the same application.

What It Helps Fix

  • HVAC blower or control circuit that stops responding
  • Intermittent temperature control operation
  • Relay clicking without consistent system engagement
  • Climate control electrical faults tied to a worn relay
  • Replacement needs for a failed OEM-style HVAC relay

Installation Notes and Tips

  • Verify connector shape, terminal count, and mounting location before installation.
  • Confirm the vehicle uses a 12-volt HVAC relay with a 25 amp rating.
  • Inspect the relay socket and terminals for heat damage or corrosion before fitting the new part.
  • Match the application to the listed vehicle years for Kia Spectra, Kia Spectra5, and Hyundai Tucson.

Quality Assurance

Standard Ignition replacement electrical components are built to meet the application-specific requirements of the listed HVAC relay fitments. Part number RY-874 is cataloged for direct replacement use in the confirmed vehicle applications shown above.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007HyundaiTucson——N/A—
2006HyundaiTucson——N/A—
2006KiaSpectra2.0LL4N/A—
2006KiaSpectra52.0LL4N/A—
2005HyundaiTucson——N/A—
2005KiaSpectra2.0LL4N/A—
2005KiaSpectra52.0LL4N/A—
2004KiaSpectra1.8LL4N/A—
2003KiaSpectra1.8LL4N/A—
2002KiaSpectra1.8LL4N/A—
2001KiaSpectra1.8LL4N/A—
2000KiaSpectra1.8LL4N/A—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — 20776Standard Ignition — RY-8741202F200AR6379R6379