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Standard Ignition RY-1803 HVAC RelayOE Quality 60-Day Returns
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Part #: RY-1803

Standard Ignition RY-1803 HVAC Relay

⚙️ 77 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: Nissan and INFINITI, GT-R, 370Z, Armada, Pathfinder, Titan, Q60, Juke, NV3500, G37, Altima, Versa, FX50, M35, and M45
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Reliable HVAC Relay for Nissan and INFINITI Vehicles

The Standard Ignition RY-1803 HVAC relay is designed to provide dependable control of your vehicle's heating, ventilation, and air conditioning system. Compatible with a range of Nissan and INFINITI models, this relay ensures consistent performance and helps maintain optimal climate control.

  • Compatible with Nissan and INFINITI models including 370Z, Altima, Armada, FX50, G37, GT-R, Juke, M35, M45, NV3500, Pathfinder, Q60, TITAN, and Versa
  • Part number RY-1803 for precise identification and fitment
  • Controls HVAC system electrical circuits to regulate heating and cooling functions
  • Durable construction designed for automotive HVAC applications
  • Standard Ignition quality meeting OEM specifications

Product Overview and Compatibility

The Standard Ignition RY-1803 HVAC relay is engineered to replace the original relay in your Nissan or INFINITI vehicle’s HVAC system. This relay manages the electrical current that powers the blower motor and other HVAC components, ensuring your vehicle’s interior climate remains comfortable. It is compatible with multiple Nissan models such as the Altima, Pathfinder, and TITAN, as well as INFINITI models including the G37, FX50, and Q60. Using the correct relay like the RY-1803 helps maintain system reliability and prevents HVAC malfunctions.

Common HVAC Issues Addressed by This Relay

  • Intermittent or non-functioning blower motor
  • HVAC system failing to switch between heating and cooling modes
  • Electrical faults causing HVAC system shutdowns
  • Unresponsive climate control settings
  • Relay-related HVAC system overheating or short circuits

Installation Notes and Tips

  • Ensure the vehicle ignition is off before beginning installation
  • Locate the HVAC relay in the fuse box or relay panel as specified in the vehicle’s service manual
  • Compare the new relay (RY-1803) with the old one to confirm correct part number and pin configuration
  • Handle the relay carefully to avoid damage to terminals
  • Test the HVAC system after installation to verify proper operation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance for your vehicle’s HVAC system. The RY-1803 HVAC relay undergoes rigorous quality control to ensure durability and consistent operation. Warranty coverage details vary by distributor, so please consult your purchase documentation for specific terms.

BrandStandard Ignition
Part NumberRY-1803
Connector GenderFemale
Connector ShapeRectangular
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 77 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2021NissanGT-RN/A
2020Nissan370ZN/A
2020NissanGT-RN/A
2019Nissan370ZN/A
2019NissanGT-RN/A
2018Nissan370ZN/A
2018NissanGT-RN/A
2017Nissan370ZN/A
2017NissanGT-RN/A
2016Nissan370ZN/A
2016NissanGT-RN/A
2015Nissan370ZN/A
2015NissanArmadaN/A4 Term.
2015NissanArmadaGASN/A4 Term.
2015NissanGT-RN/A
2015NissanPathfinderN/A
2015NissanPathfinderGASN/A
2015NissanTITANN/A
2014INFINITIQ60N/Aw/ Shroud
2014Nissan370ZN/A
2014NissanArmadaN/A4 Term.
2014NissanArmadaGASN/A4 Term.
2014NissanGT-RN/A
2014NissanJukeN/A
2014NissanNV3500N/A
2014NissanPathfinderN/A
2014NissanPathfinderGASN/A
2014NissanTITANN/A
2013Nissan370ZN/A
2013NissanArmadaGASN/A4 Term.
2013NissanGT-RN/A
2013NissanJukeN/A
2013NissanNV3500N/A
2013NissanPathfinderGASN/A
2013NissanTITANN/A
2012Nissan370ZN/A
2012NissanGT-RN/A
2012NissanJukeN/A
2012NissanNV3500N/A
2012NissanTITANN/A
2011INFINITIG37N/A
2011Nissan370ZN/A
2011NissanAltimaN/A
2011NissanGT-RN/A
2011NissanJukeN/A
2011NissanTITANN/A
2011NissanVersaN/A
2010INFINITIFX50N/A
2010INFINITIG37N/A
2010INFINITIM35N/A
2010INFINITIM45N/A
2010Nissan370ZN/A
2010NissanAltimaN/A
2010NissanGT-RN/A
2010NissanTITANN/A
2010NissanVersaN/A
2009INFINITIFX50N/A
2009INFINITIG37N/A
2009INFINITIM35N/A
2009INFINITIM45N/A
2009Nissan370ZN/A
2009NissanAltimaN/A
2009NissanGT-RN/A
2009NissanVersaN/A
2008INFINITIG37N/A
2008INFINITIM35N/A
2008INFINITIM45N/A
2008NissanAltimaN/A
2008NissanVersaN/A
2007INFINITIM35N/A
2007INFINITIM45N/A
2007NissanAltimaN/A
2007NissanVersaN/A
2006INFINITIM35N/A
2006INFINITIM45N/A
2005NissanTITANN/A
2004NissanTITANN/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:

163381R351925-0756252309F915AR7307R7306RAA2622

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