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
2019AcuraILX——————N/A—
2019AcuraMDX———3.0LV6—N/A—
2019AcuraMDX———3.5LV6—N/A—
2019AcuraMDX——————N/A—
2019AcuraRDX——————N/A—
2019AcuraRLX——————N/A—
2019AcuraTLX——————N/A—
2019HondaAccord——————N/A—
2019HondaAccord—————GASN/A—
2019HondaAccord——————N/AOmron
2019HondaCivic——————N/A—
2019HondaCR-V——————N/A—
2019HondaOdyssey——————N/A—
2018AcuraILX——————N/A—
2018AcuraMDX———3.0LV6—N/A—
2018AcuraMDX———3.5LV6—N/A—
2018AcuraMDX——————N/A—
2018AcuraRDX——————N/A—
2018AcuraRLX——————N/A—
2018AcuraTLX——————N/A—
2018HondaAccord——————N/A—
2018HondaAccord—————GASN/A—
2018HondaAccord——————N/AOmron
2018HondaCivic——————N/A—
2018HondaCR-V——————N/A—
2018HondaHR-V——————N/AOmron
2018HondaOdyssey——————N/A—
2017AcuraILX——————N/A—
2017AcuraMDX———3.0LV6—N/A—
2017AcuraMDX———3.5LV6—N/A—
2017AcuraMDX——————N/A—
2017AcuraRDX——————N/A—
2017AcuraRLX——————N/A—
2017AcuraTLX——————N/A—
2017HondaAccord——————N/A—
2017HondaAccord—————GASN/A—
2017HondaAccord———2.4LL4—N/AOmron
2017HondaAccord———3.5LV6—N/AOmron
2017HondaAccord——————N/AOmron
2017HondaCivic——————N/A—
2017HondaCR-V——————N/A—
2017HondaFit——————N/A—
2017HondaHR-V——————N/AOmron
2017HondaOdyssey——————N/A—
2017HondaRidgeline———3.5LV6—N/A—
2016AcuraILX——————N/A—
2016AcuraMDX———3.5LV6—N/A—
2016AcuraMDX——————N/A—
2016AcuraRDX——————N/A—
2016AcuraRLX——————N/A—
2016AcuraTLX——————N/A—
2016HondaAccord——————N/A—
2016HondaAccord—————GASN/A—
2016HondaAccord———2.4LL4—N/AOmron
2016HondaAccord———3.5LV6—N/AOmron
2016HondaAccord——————N/AOmron
2016HondaCivic——————N/A—
2016HondaCR-V——————N/A—
2016HondaCR-Z——————N/A—
2016HondaFit——————N/A—
2016HondaHR-V——————N/AOmron
2016HondaOdyssey——————N/A—
2015AcuraILX——————N/A—
2015AcuraMDX———3.5LV6—N/A—
2015AcuraMDX——————N/A—
2015AcuraRDX——————N/A—
2015AcuraRLX——————N/A—
2015AcuraTLX——————N/A—
2015HondaAccord——————N/A—
2015HondaAccord—————GASN/A—
2015HondaAccord———2.4LL4—N/AOmron
2015HondaAccord———3.5LV6—N/AOmron
2015HondaAccord——————N/AOmron
2015HondaCivic——————N/A—
2015HondaCR-V——————N/A—
2015HondaCR-Z——————N/A—
2015HondaCrosstour——————N/A—
2015HondaFit——————N/A—
2015HondaOdyssey——————N/A—
2015HondaPilot——————N/A—
2014AcuraILX——————N/A—
2014AcuraMDX———3.5LV6—N/A—
2014AcuraMDX——————N/A—
2014AcuraRDX——————N/A—
2014AcuraRLX——————N/A—
2014AcuraTL——————N/A—
2014AcuraTL——————N/AOmron
2014AcuraTSX——————N/A—
2014HondaAccord——————N/A—
2014HondaAccord—————GASN/A—
2014HondaAccord———2.4LL4—N/AOmron
2014HondaAccord———3.5LV6—N/AOmron
2014HondaAccord——————N/AOmron
2014HondaCivic——————N/A—
2014HondaCR-V——————N/A—
2014HondaCR-Z——————N/A—
2014HondaCrosstour——————N/A—
2014HondaFit——————N/A—
2014HondaInsight———1.3LL4—N/A—
2014HondaOdyssey——————N/A—
2014HondaPilot——————N/A—
2014HondaRidgeline——————N/A—
2013AcuraILX——————N/A—
2013AcuraMDX——————N/A—
2013AcuraMDX———3.7LV6—N/A—
2013AcuraRDX——————N/A—
2013AcuraTL——————N/A—
2013AcuraTL——————N/AOmron
2013AcuraTSX——————N/A—
2013AcuraZDX——————N/A—
2013HondaAccord——————N/A—
2013HondaAccord—————GASN/A—
2013HondaAccord———2.4LL4—N/AOmron
2013HondaAccord———3.5LV6—N/AOmron
2013HondaAccord——————N/AOmron
2013HondaCivic——————N/A—
2013HondaCivic——————N/AOmron
2013HondaCR-V——————N/A—
2013HondaCR-Z——————N/A—
2013HondaCrosstour——————N/A—
2013HondaFit——————N/A—
2013HondaInsight———1.3LL4—N/A—
2013HondaOdyssey——————N/A—
2013HondaPilot——————N/A—
2013HondaRidgeline——————N/A—
2012AcuraMDX——————N/A—
2012AcuraMDX———3.7LV6—N/A—
2012AcuraRDX——————N/A—
2012AcuraRL——————N/A—
2012AcuraTL——————N/A—
2012AcuraTL——————N/AOmron
2012AcuraTSX——————N/A—
2012AcuraZDX——————N/A—
2012HondaAccord——————N/A—
2012HondaAccord—————GASN/A—
2012HondaAccord———2.4LL4—N/AOmron
2012HondaAccord———3.5LV6—N/AOmron
2012HondaAccord——————N/AOmron
2012HondaCivic——————N/A—
2012HondaCivic——————N/AOmron
2012HondaCivic——————N/A4 Term.
2012HondaCR-V——————N/A—
2012HondaCR-Z——————N/A—
2012HondaCrosstour——————N/A—
2012HondaFit——————N/A—
2012HondaInsight———1.3LL4—N/A—
2012HondaOdyssey——————N/A—
2012HondaPilot——————N/A—
2012HondaRidgeline——————N/A—
2011AcuraMDX———3.7LV6—N/A—
2011AcuraMDX——————N/A—
2011AcuraRDX———2.3LL4—N/A—
2011AcuraRDX——————N/A—
2011AcuraRL——————N/A—
2011AcuraTL———3.5LV6—N/A—
2011AcuraTL———3.7LV6—N/A—
2011AcuraTL——————N/A—
2011AcuraTL——————N/AOmron
2011AcuraTSX——————N/A—
2011AcuraZDX——————N/A—
2011HondaAccord——————N/A—
2011HondaAccord—————GASN/A—
2011HondaAccord———2.4LL4—N/AOmron
2011HondaAccord———3.5LV6—N/AOmron
2011HondaAccord——————N/AOmron
2011HondaAccord Crosstour———3.5LV6—N/A—
2011HondaAccord Crosstour——————N/A—
2011HondaCivic——————N/A—
2011HondaCivic———1.8LL4—N/A—
2011HondaCivic——————N/AOmron
2011HondaCR-V——————N/A—
2011HondaCR-Z——————N/A—
2011HondaElement——————N/A—
2011HondaFit——————N/A—
2011HondaInsight———1.3LL4—N/A—
2011HondaOdyssey——————N/A—
2011HondaPilot——————N/A—
2011HondaRidgeline——————N/A—
2010AcuraMDX———3.7LV6—N/A—
2010AcuraMDX——————N/A—
2010AcuraRDX———2.3LL4—N/A—
2010AcuraRDX——————N/A—
2010AcuraRDX——————N/A4 Term.
2010AcuraRL——————N/A—
2010AcuraTL———3.7LV6—N/A—
2010AcuraTL———3.5LV6—N/A—
2010AcuraTL——————N/A—
2010AcuraTL——————N/AOmron
2010AcuraTSX——————N/A—
2010AcuraZDX——————N/A—
2010HondaAccord——————N/A—
2010HondaAccord—————GASN/A—
2010HondaAccord———2.4LL4—N/AOmron
2010HondaAccord———3.5LV6—N/AOmron
2010HondaAccord——————N/AOmron
2010HondaAccord Crosstour———3.5LV6—N/A—
2010HondaAccord Crosstour——————N/A—
2010HondaCivic——————N/A—
2010HondaCivic———1.8LL4—N/A—
2010HondaCivic——————N/AOmron
2010HondaCR-V——————N/A—
2010HondaElement——————N/A—
2010HondaFit——————N/A—
2010HondaInsight———1.3LL4—N/A—
2010HondaOdyssey——————N/A—
2010HondaPilot——————N/A—
2010HondaRidgeline——————N/A—
2009AcuraMDX——————N/A—
2009AcuraMDX——————N/A4 Term.
2009AcuraRDX——————N/A—
2009AcuraRL——————N/A—
2009AcuraTL——————N/A—
2009AcuraTL——————N/AOmron
2009AcuraTSX——————N/A—
2009HondaAccord——————N/A—
2009HondaAccord—————GASN/A—
2009HondaAccord———2.4LL4—N/AOmron
2009HondaAccord———3.5LV6—N/AOmron
2009HondaAccord——————N/AOmron
2009HondaCivic——————N/A—
2009HondaCivic———1.8LL4—N/A—
2009HondaCivic——————N/AOmron
2009HondaCR-V——————N/A—
2009HondaElement——————N/A—
2009HondaFit——————N/A—
2009HondaOdyssey——————N/A—
2009HondaPilot——————N/A—
2009HondaRidgeline——————N/A—
2008AcuraMDX——————N/A—
2008AcuraRDX——————N/A—
2008AcuraRL——————N/A—
2008AcuraTL——————N/A—
2008AcuraTL——————N/AOmron
2008AcuraTSX——————N/A—
2008AcuraTSX———2.4LL4—N/A—
2008AcuraTSX———2.4LL4—N/AOmron; Denso
2008HondaAccord——————N/A—
2008HondaAccord—————GASN/A—
2008HondaAccord———2.4LL4—N/AOmron
2008HondaAccord———3.5LV6—N/AOmron
2008HondaAccord——————N/AOmron
2008HondaAccord——————N/A4 Term.
2008HondaCivic——————N/A—
2008HondaCivic———1.8LL4—N/A—
2008HondaCivic——————N/AOmron
2008HondaCivic—Sedan4 Door———N/A—
2008HondaCR-V——————N/AOmron
2008HondaCR-V——————N/A—
2008HondaElement——————N/A—
2008HondaFit——————N/A—
2008HondaOdyssey——————N/A—
2008HondaRidgeline——————N/A—
2007AcuraMDX———3.7LV6—N/A—
2007AcuraMDX——————N/A—
2007AcuraRDX———2.3LL4—N/A—
2007AcuraRDX——————N/A—
2007AcuraRL——————N/A—
2007AcuraTL——————N/A—
2007AcuraTL——————N/AOmron
2007AcuraTSX——————N/AOmron
2007AcuraTSX——————N/A—
2007AcuraTSX———2.4LL4—N/A—
2007AcuraTSX———2.4LL4—N/AOmron; Denso
2007HondaAccord——————N/A—
2007HondaAccordHybrid——3.0LV6—N/ADenso
2007HondaAccord—————GASN/A—
2007HondaAccord—————GASN/A4 Term.
2007HondaAccord———2.4LL4—N/AOmron
2007HondaAccord———3.0LV6—N/AOmron
2007HondaCivic——————N/AOmron
2007HondaCivic——————N/A—
2007HondaCivic———1.8LL4—N/A—
2007HondaCivic——4 Door———N/A—
2007HondaCR-V——————N/A—
2007HondaCR-V——————N/AOmron
2007HondaCR-V———2.4LL4—N/AOmron
2007HondaElement——————N/A—
2007HondaFit——————N/A—
2007HondaOdyssey——————N/A—
2007HondaOdyssey———3.5LV6—N/A—
2007HondaRidgeline——————N/A—
2007HondaRidgeline———3.5LV6—N/A—
2007HondaRidgeline———3.5LV6—N/AOmron
2006AcuraRL——————N/A—
2006AcuraRSX——————N/A4 Term.
2006AcuraRSX——————N/A—
2006AcuraTL——————N/A—
2006AcuraTL——————N/AOmron
2006AcuraTSX——————N/AOmron
2006AcuraTSX——————N/A—
2006AcuraTSX———2.4LL4—N/A—
2006AcuraTSX———2.4LL4—N/AOmron; Denso
2006HondaAccord——————N/A—
2006HondaAccordHybrid——3.0LV6—N/ADenso
2006HondaAccord—————GASN/A—
2006HondaAccord—————GASN/A4 Term.
2006HondaAccord———2.4LL4—N/AOmron
2006HondaAccord———3.0LV6—N/AOmron
2006HondaCivic——————N/A—
2006HondaCivic——————N/AOmron
2006HondaCivic———1.8LL4—N/A—
2006HondaCivic——4 Door———N/A—
2006HondaElement——————N/A—
2006HondaOdyssey———3.5LV6—N/A—
2006HondaOdyssey——————N/A—
2006HondaOdyssey———3.5LV6—N/ADenso
2006HondaRidgeline——————N/A—
2006HondaRidgeline———3.5LV6—N/A—
2006HondaRidgeline———3.5LV6—N/AOmron
2005AcuraRL———3.5LV6—N/A—
2005AcuraRL——————N/A—
2005AcuraTL——————N/A—
2005AcuraTL——————N/AOmron
2005AcuraTSX——————N/AOmron
2005AcuraTSX——————N/A—
2005AcuraTSX———2.4LL4—N/A—
2005AcuraTSX———2.4LL4—N/AOmron
2005HondaAccord——————N/A—
2005HondaAccord—————GASN/A4 Term.
2005HondaAccord———2.4LL4—N/AOmron
2005HondaAccord———3.0LV6—N/AOmron
2005HondaElement——————N/A—
2005HondaOdyssey——————N/A—
2004AcuraTL——————N/A—
2004AcuraTSX——————N/A—
2004AcuraTSX———2.4LL4—N/A—
2004AcuraTSX———2.4LL4—N/AOmron
2004HondaAccord——————N/A—
2004HondaAccord——————N/A4 Term.
2004HondaAccord———2.4LL4—N/AOmron
2004HondaAccord———3.0LV6—N/AOmron
2004HondaElement——————N/A—
2003HondaAccord——————N/A—
2003HondaAccord——————N/A4 Term.
2003HondaAccord———2.4LL4—N/AOmron
2003HondaAccord———3.0LV6—N/AOmron
2003HondaElement——————N/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