Standard RY640T HVAC Blower Motor Relay

HVAC Blower Motor Relay for Nissan and INFINITI

The Standard RY640T is a direct-fit HVAC blower motor relay built for straightforward replacement and dependable climate control operation. It uses a 12-volt, 4-terminal blade design with male terminals to match the original electrical connection on supported Nissan and INFINITI applications.

Fits 2003-2018 Nissan and INFINITI HVAC systems across a wide range of models, including Nissan 370Z, Altima, Maxima, Murano, Rogue Sport, Sentra, LEAF, Juke, Armada, NV1500, NV2500, and NV3500, plus INFINITI G35, FX35, FX45, and M45 applications.

• Direct-fit HVAC blower motor relay for OE-style replacement
• 12-volt relay with 4 blade terminals and male terminal ends
• Built with quality materials for durability in daily use
• Tested for performance and reliability during manufacturing
• Supports proper blower motor circuit operation in compatible Nissan and INFINITI vehicles

Detailed Product Information

The Standard RY640T is designed for vehicles that use a 12V HVAC blower motor relay with a 4-terminal blade configuration. It is a practical replacement when the original relay no longer switches power correctly, helping restore normal blower motor function in the cabin HVAC system. This part cross-references Standard Ignition RY-640 for the same application.

Common fitment searches for this part include HVAC blower motor relay for 2003-2011 Nissan Altima, blower relay for 2003-2007 Nissan Murano, and HVAC relay for 2003-2007 INFINITI G35. The RY640T also serves applications such as 2009-2018 Nissan 370Z and 2016-2017 Nissan Sentra.

What It Helps Fix

• Blower motor that does not turn on
• Intermittent cabin fan operation
• HVAC fan speed loss caused by relay failure
• Electrical switching issues in the blower circuit
• Climate control performance problems tied to relay wear

Installation Notes and Tips

Confirm the relay matches the original 12-volt, 4-blade terminal layout before installation. Compare the connector style and terminal count to the removed part, and verify vehicle fitment by year, make, and model. The direct-fit design supports a clean replacement process on compatible Nissan and INFINITI HVAC systems.

Quality Assurance

Standard states that this relay is manufactured with complete quality control throughout production and is tested for performance and reliability. The part is built from high-quality materials to support long-term service in HVAC relay applications.