HomeHVAC > RelaysStandard Ignition RY-635 A/C Compressor Control Relay
Part #: RY-635

Standard Ignition RY-635 A/C Compressor Control Relay

⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai, Accent, Azera, Santa Fe, and Sonata
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Reliable A/C Compressor Control Relay for Hyundai Vehicles

The Standard Ignition RY-635 A/C Compressor Control Relay is designed to provide dependable operation for your Hyundai Accent, Azera, Santa Fe, and Sonata models. Engineered to meet OEM specifications, this relay ensures consistent performance in your vehicle's HVAC system.

  • Amperage rating of 20 amps for stable electrical flow
  • Rectangular connector shape for secure and precise fitment
  • Five male blade terminals for reliable electrical connections
  • Operates at 12 volts, compatible with standard automotive electrical systems
  • Functions as a fog lamp relay, supporting multiple vehicle systems

Technical Details and Specifications

The Standard Ignition RY-635 relay features a 20 amp amperage rating suitable for continuous automotive use, although it is not rated for continuous duty. Its rectangular connector shape and five male blade terminals ensure a proper and secure connection within the HVAC relay circuit. Operating at 12 volts, this relay is compatible with the electrical systems of Hyundai Accent, Azera, Santa Fe, and Sonata models. The relay is supplied as a single unit without a mounting bracket, so ensure your vehicle’s existing bracket is compatible.

Compatible Hyundai Models and Applications

This A/C compressor control relay is specifically compatible with Hyundai vehicles including the Accent, Azera, Santa Fe, and Sonata. It is designed to replace the original relay in the HVAC system, helping to maintain proper compressor function and fog lamp relay operations.

  • Prevents A/C compressor from failing to engage
  • Resolves intermittent fog lamp operation issues
  • Eliminates electrical relay clicking or failure symptoms
  • Helps maintain consistent HVAC system performance

Installation Notes and Tips

When installing the Standard Ignition RY-635 relay, verify the connector shape and terminal configuration match your vehicle’s existing relay. Since this part does not include a mounting bracket, use the original bracket or ensure a compatible mounting solution is available. Disconnect the battery before installation to avoid electrical shorts. Properly seat the relay to ensure secure electrical contact and prevent vibration-related issues.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Hyundai vehicle. The RY-635 relay undergoes rigorous quality control testing to ensure durability and functionality. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberRY-635
Mounting Bracket IncludedNo
Amperage Rating20 a
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsFog lamp relay
Terminal GenderMale
Terminal Quantity5
Terminal TypeBlade
Voltage12

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
2010HyundaiAzeraN/A
2010HyundaiSanta FeN/A
2009HyundaiAzeraN/A
2009HyundaiSanta FeN/A
2008HyundaiAccentN/A
2008HyundaiAzeraN/A
2007HyundaiAccentN/A
2006HyundaiAccentN/A
2002HyundaiSonataN/A
2001HyundaiSonataN/A
2000HyundaiSonataN/A
1999HyundaiSonataN/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:

2049822529050AR6140R6140RY-635

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