Standard Ignition RY-737 HVAC Relay

Brand Standard Ignition RY-737
Amperage Rating 25 A
Connector Shape Rectangular
Contents Relay
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Acura and Honda · 337 vehicles

12-volt relay. Built for HVAC control circuits with a 25-amp rating.

Blade terminals. Four male terminals provide a straightforward electrical connection.

Cross-references Dorman - HELP 20742, Standard Ignition RY-737 and T Series RY737T for the same application. See all 8.

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HVAC Relay for Honda and Acura Applications

Standard Ignition RY-737 is a 12-volt HVAC relay built for climate control circuits that need reliable switching performance. With a 25 amp amperage rating, 4 male blade terminals, and a compact relay design, it serves as a direct replacement for many Honda and Acura HVAC relay applications.

  • 12-volt HVAC relay for automotive climate control systems
  • 25 amp amperage rating for relay-controlled HVAC circuits
  • 4-terminal male blade design for common factory-style connections
  • Direct replacement style for select Honda Accord, Civic, CR-V, Odyssey, and Acura models
  • Cross-references Dorman - HELP 20742 for the same application

Detailed Product Overview

Built by Standard Ignition, part number RY-737 is used in HVAC relay circuits where a 4-terminal, blade-style relay is specified. It is listed across a wide range of Honda and Acura vehicles, including Fits 2003-2019 Honda Accord, N/A; Fits 2006-2019 Honda Civic, N/A; Fits 2007-2019 Honda CR-V, N/A; and Fits 2005-2019 Honda Odyssey, N/A. Additional coverage includes Acura MDX, RDX, TL, TSX, RLX, and other select models. This part number, RY-737, is also referenced under several interchange numbers for service matching.

This relay is commonly used in HVAC control circuits where the vehicle needs a switched electrical signal to operate climate-related components. The male blade terminals and 12-volt design align with factory relay sockets used in many Honda and Acura platforms.

Common Problems This Relay May Address

  • HVAC system not responding when the relay circuit fails
  • Intermittent blower or climate control operation caused by relay wear
  • No power delivery through the HVAC relay circuit
  • Relay contact issues that interrupt A/C or heater control functions
  • Electrical switching faults in Honda and Acura climate control systems

Installation Notes and Tips

Verify the relay cavity, terminal count, and terminal style before installation. Confirm the vehicle uses a 4-terminal blade relay and match the original relay layout to the replacement part. For fitment verification, this part is listed for applications such as Fits 2003-2019 Honda Accord, N/A; Fits 2006-2019 Honda Civic, N/A; and Fits 2007-2019 Honda CR-V, N/A. Always compare the original part number and connector configuration before replacing the relay.

Quality Assurance

Standard Ignition supplies automotive electrical components for service replacement use. RY-737 is a 12-volt, 25 amp HVAC relay built to meet the electrical and connector requirements shown in the product specifications.

This part fits 337 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody Type# DoorsLitersCylindersFuel TypePositionNotes
2019AcuraILXN/A
2019AcuraMDX3.0LV6N/A
2019AcuraMDX3.5LV6N/A
2019AcuraMDXN/A
2019AcuraRDXN/A
2019AcuraRLXN/A
2019AcuraTLXN/A
2019HondaAccordN/A
2019HondaAccordGASN/A
2019HondaAccordN/AOmron
2019HondaCivicN/A
2019HondaCR-VN/A
2019HondaOdysseyN/A
2018AcuraILXN/A
2018AcuraMDX3.0LV6N/A
2018AcuraMDX3.5LV6N/A
2018AcuraMDXN/A
2018AcuraRDXN/A
2018AcuraRLXN/A
2018AcuraTLXN/A
2018HondaAccordN/A
2018HondaAccordGASN/A
2018HondaAccordN/AOmron
2018HondaCivicN/A
2018HondaCR-VN/A
2018HondaHR-VN/AOmron
2018HondaOdysseyN/A
2017AcuraILXN/A
2017AcuraMDX3.0LV6N/A
2017AcuraMDX3.5LV6N/A
2017AcuraMDXN/A
2017AcuraRDXN/A
2017AcuraRLXN/A
2017AcuraTLXN/A
2017HondaAccordN/A
2017HondaAccordGASN/A
2017HondaAccord2.4LL4N/AOmron
2017HondaAccord3.5LV6N/AOmron
2017HondaAccordN/AOmron
2017HondaCivicN/A
2017HondaCR-VN/A
2017HondaFitN/A
2017HondaHR-VN/AOmron
2017HondaOdysseyN/A
2017HondaRidgeline3.5LV6N/A
2016AcuraILXN/A
2016AcuraMDX3.5LV6N/A
2016AcuraMDXN/A
2016AcuraRDXN/A
2016AcuraRLXN/A
2016AcuraTLXN/A
2016HondaAccordN/A
2016HondaAccordGASN/A
2016HondaAccord2.4LL4N/AOmron
2016HondaAccord3.5LV6N/AOmron
2016HondaAccordN/AOmron
2016HondaCivicN/A
2016HondaCR-VN/A
2016HondaCR-ZN/A
2016HondaFitN/A
2016HondaHR-VN/AOmron
2016HondaOdysseyN/A
2015AcuraILXN/A
2015AcuraMDX3.5LV6N/A
2015AcuraMDXN/A
2015AcuraRDXN/A
2015AcuraRLXN/A
2015AcuraTLXN/A
2015HondaAccordN/A
2015HondaAccordGASN/A
2015HondaAccord2.4LL4N/AOmron
2015HondaAccord3.5LV6N/AOmron
2015HondaAccordN/AOmron
2015HondaCivicN/A
2015HondaCR-VN/A
2015HondaCR-ZN/A
2015HondaCrosstourN/A
2015HondaFitN/A
2015HondaOdysseyN/A
2015HondaPilotN/A
2014AcuraILXN/A
2014AcuraMDX3.5LV6N/A
2014AcuraMDXN/A
2014AcuraRDXN/A
2014AcuraRLXN/A
2014AcuraTLN/A
2014AcuraTLN/AOmron
2014AcuraTSXN/A
2014HondaAccordN/A
2014HondaAccordGASN/A
2014HondaAccord2.4LL4N/AOmron
2014HondaAccord3.5LV6N/AOmron
2014HondaAccordN/AOmron
2014HondaCivicN/A
2014HondaCR-VN/A
2014HondaCR-ZN/A
2014HondaCrosstourN/A
2014HondaFitN/A
2014HondaInsight1.3LL4N/A
2014HondaOdysseyN/A
2014HondaPilotN/A
2014HondaRidgelineN/A
2013AcuraILXN/A
2013AcuraMDXN/A
2013AcuraMDX3.7LV6N/A
2013AcuraRDXN/A
2013AcuraTLN/A
2013AcuraTLN/AOmron
2013AcuraTSXN/A
2013AcuraZDXN/A
2013HondaAccordN/A
2013HondaAccordGASN/A
2013HondaAccord2.4LL4N/AOmron
2013HondaAccord3.5LV6N/AOmron
2013HondaAccordN/AOmron
2013HondaCivicN/A
2013HondaCivicN/AOmron
2013HondaCR-VN/A
2013HondaCR-ZN/A
2013HondaCrosstourN/A
2013HondaFitN/A
2013HondaInsight1.3LL4N/A
2013HondaOdysseyN/A
2013HondaPilotN/A
2013HondaRidgelineN/A
2012AcuraMDXN/A
2012AcuraMDX3.7LV6N/A
2012AcuraRDXN/A
2012AcuraRLN/A
2012AcuraTLN/A
2012AcuraTLN/AOmron
2012AcuraTSXN/A
2012AcuraZDXN/A
2012HondaAccordN/A
2012HondaAccordGASN/A
2012HondaAccord2.4LL4N/AOmron
2012HondaAccord3.5LV6N/AOmron
2012HondaAccordN/AOmron
2012HondaCivicN/A
2012HondaCivicN/AOmron
2012HondaCivicN/A4 Term.
2012HondaCR-VN/A
2012HondaCR-ZN/A
2012HondaCrosstourN/A
2012HondaFitN/A
2012HondaInsight1.3LL4N/A
2012HondaOdysseyN/A
2012HondaPilotN/A
2012HondaRidgelineN/A
2011AcuraMDX3.7LV6N/A
2011AcuraMDXN/A
2011AcuraRDX2.3LL4N/A
2011AcuraRDXN/A
2011AcuraRLN/A
2011AcuraTL3.5LV6N/A
2011AcuraTL3.7LV6N/A
2011AcuraTLN/A
2011AcuraTLN/AOmron
2011AcuraTSXN/A
2011AcuraZDXN/A
2011HondaAccordN/A
2011HondaAccordGASN/A
2011HondaAccord2.4LL4N/AOmron
2011HondaAccord3.5LV6N/AOmron
2011HondaAccordN/AOmron
2011HondaAccord Crosstour3.5LV6N/A
2011HondaAccord CrosstourN/A
2011HondaCivicN/A
2011HondaCivic1.8LL4N/A
2011HondaCivicN/AOmron
2011HondaCR-VN/A
2011HondaCR-ZN/A
2011HondaElementN/A
2011HondaFitN/A
2011HondaInsight1.3LL4N/A
2011HondaOdysseyN/A
2011HondaPilotN/A
2011HondaRidgelineN/A
2010AcuraMDX3.7LV6N/A
2010AcuraMDXN/A
2010AcuraRDX2.3LL4N/A
2010AcuraRDXN/A
2010AcuraRDXN/A4 Term.
2010AcuraRLN/A
2010AcuraTL3.7LV6N/A
2010AcuraTL3.5LV6N/A
2010AcuraTLN/A
2010AcuraTLN/AOmron
2010AcuraTSXN/A
2010AcuraZDXN/A
2010HondaAccordN/A
2010HondaAccordGASN/A
2010HondaAccord2.4LL4N/AOmron
2010HondaAccord3.5LV6N/AOmron
2010HondaAccordN/AOmron
2010HondaAccord Crosstour3.5LV6N/A
2010HondaAccord CrosstourN/A
2010HondaCivicN/A
2010HondaCivic1.8LL4N/A
2010HondaCivicN/AOmron
2010HondaCR-VN/A
2010HondaElementN/A
2010HondaFitN/A
2010HondaInsight1.3LL4N/A
2010HondaOdysseyN/A
2010HondaPilotN/A
2010HondaRidgelineN/A
2009AcuraMDXN/A
2009AcuraMDXN/A4 Term.
2009AcuraRDXN/A
2009AcuraRLN/A
2009AcuraTLN/A
2009AcuraTLN/AOmron
2009AcuraTSXN/A
2009HondaAccordN/A
2009HondaAccordGASN/A
2009HondaAccord2.4LL4N/AOmron
2009HondaAccord3.5LV6N/AOmron
2009HondaAccordN/AOmron
2009HondaCivicN/A
2009HondaCivic1.8LL4N/A
2009HondaCivicN/AOmron
2009HondaCR-VN/A
2009HondaElementN/A
2009HondaFitN/A
2009HondaOdysseyN/A
2009HondaPilotN/A
2009HondaRidgelineN/A
2008AcuraMDXN/A
2008AcuraRDXN/A
2008AcuraRLN/A
2008AcuraTLN/A
2008AcuraTLN/AOmron
2008AcuraTSXN/A
2008AcuraTSX2.4LL4N/A
2008AcuraTSX2.4LL4N/AOmron; Denso
2008HondaAccordN/A
2008HondaAccordGASN/A
2008HondaAccord2.4LL4N/AOmron
2008HondaAccord3.5LV6N/AOmron
2008HondaAccordN/AOmron
2008HondaAccordN/A4 Term.
2008HondaCivicN/A
2008HondaCivic1.8LL4N/A
2008HondaCivicN/AOmron
2008HondaCivicSedan4 DoorN/A
2008HondaCR-VN/AOmron
2008HondaCR-VN/A
2008HondaElementN/A
2008HondaFitN/A
2008HondaOdysseyN/A
2008HondaRidgelineN/A
2007AcuraMDX3.7LV6N/A
2007AcuraMDXN/A
2007AcuraRDX2.3LL4N/A
2007AcuraRDXN/A
2007AcuraRLN/A
2007AcuraTLN/A
2007AcuraTLN/AOmron
2007AcuraTSXN/AOmron
2007AcuraTSXN/A
2007AcuraTSX2.4LL4N/A
2007AcuraTSX2.4LL4N/AOmron; Denso
2007HondaAccordN/A
2007HondaAccordHybrid3.0LV6N/ADenso
2007HondaAccordGASN/A
2007HondaAccordGASN/A4 Term.
2007HondaAccord2.4LL4N/AOmron
2007HondaAccord3.0LV6N/AOmron
2007HondaCivicN/AOmron
2007HondaCivicN/A
2007HondaCivic1.8LL4N/A
2007HondaCivic4 DoorN/A
2007HondaCR-VN/A
2007HondaCR-VN/AOmron
2007HondaCR-V2.4LL4N/AOmron
2007HondaElementN/A
2007HondaFitN/A
2007HondaOdysseyN/A
2007HondaOdyssey3.5LV6N/A
2007HondaRidgelineN/A
2007HondaRidgeline3.5LV6N/A
2007HondaRidgeline3.5LV6N/AOmron
2006AcuraRLN/A
2006AcuraRSXN/A4 Term.
2006AcuraRSXN/A
2006AcuraTLN/A
2006AcuraTLN/AOmron
2006AcuraTSXN/AOmron
2006AcuraTSXN/A
2006AcuraTSX2.4LL4N/A
2006AcuraTSX2.4LL4N/AOmron; Denso
2006HondaAccordN/A
2006HondaAccordHybrid3.0LV6N/ADenso
2006HondaAccordGASN/A
2006HondaAccordGASN/A4 Term.
2006HondaAccord2.4LL4N/AOmron
2006HondaAccord3.0LV6N/AOmron
2006HondaCivicN/A
2006HondaCivicN/AOmron
2006HondaCivic1.8LL4N/A
2006HondaCivic4 DoorN/A
2006HondaElementN/A
2006HondaOdyssey3.5LV6N/A
2006HondaOdysseyN/A
2006HondaOdyssey3.5LV6N/ADenso
2006HondaRidgelineN/A
2006HondaRidgeline3.5LV6N/A
2006HondaRidgeline3.5LV6N/AOmron
2005AcuraRL3.5LV6N/A
2005AcuraRLN/A
2005AcuraTLN/A
2005AcuraTLN/AOmron
2005AcuraTSXN/AOmron
2005AcuraTSXN/A
2005AcuraTSX2.4LL4N/A
2005AcuraTSX2.4LL4N/AOmron
2005HondaAccordN/A
2005HondaAccordGASN/A4 Term.
2005HondaAccord2.4LL4N/AOmron
2005HondaAccord3.0LV6N/AOmron
2005HondaElementN/A
2005HondaOdysseyN/A
2004AcuraTLN/A
2004AcuraTSXN/A
2004AcuraTSX2.4LL4N/A
2004AcuraTSX2.4LL4N/AOmron
2004HondaAccordN/A
2004HondaAccordN/A4 Term.
2004HondaAccord2.4LL4N/AOmron
2004HondaAccord3.0LV6N/AOmron
2004HondaElementN/A
2003HondaAccordN/A
2003HondaAccordN/A4 Term.
2003HondaAccord2.4LL4N/AOmron
2003HondaAccord3.0LV6N/AOmron
2003HondaElementN/A
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 20742Standard Ignition — RY-737T Series — RY737T39794SDAA01AR6242AR6242SBJR76R6242