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Standard Ignition RY-721 Rear Window Defroster Relay
| Brand | Standard Ignition RY-721 |
|---|---|
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Honda and Acura · 240 vehicles |
Relay function. Controls electrical switching in a 12 V system.
Rectangular connector. Blade terminals provide a straightforward electrical connection.
Cross-references Rostra Powertrain Controls 60-0071, Standard Ignition RY-721 and T Series RY1052T for the same application. See all 13.
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Window Defroster Relay for Honda and Acura
Standard Ignition RY-721 is a 12 V window defroster relay with a rectangular connector, male blade terminals, and a 4-terminal layout. It is built for direct relay replacement in a wide range of Honda, Acura, and Subaru applications where the rear defroster circuit needs reliable switching.
Key Features
- 12 V relay for window defroster circuit control
- Rectangular connector shape for OE-style fitment
- Male blade terminals with 4-terminal configuration
- Relay-only contents for service replacement
- Standard Ignition RY-721 part number for catalog matching
Detailed Description
This Standard Ignition RY-721 window defroster relay is used to switch power in the rear defogger circuit, helping restore proper electrical operation when the original relay has worn contacts or intermittent function. It cross-references Rostra Powertrain Controls 60-0071 for the same application. The RY-721 is listed across many Honda Civic, Honda CR-V, Honda Accord, Honda Odyssey, Honda Pilot, Acura RDX, and Acura MDX applications, along with select Subaru models, making it a practical replacement for vehicles that rely on a 12 V relay with a rectangular connector and blade-style terminals.
What It Helps Fix
- Rear window defroster that does not activate
- Intermittent defroster operation
- Relay clicking without consistent circuit engagement
- Electrical switching issues in the defroster circuit
- Loss of rear glass defogging performance during cold or wet weather
Installation Notes and Tips
Verify the connector shape, terminal count, and terminal type before installation. This relay uses male blade terminals and does not include a mounting bracket. Confirm the vehicle’s relay location and compare the original part number or connector layout before replacement. Fits 2006-2011 Honda Civic, N/A; Fits 2007-2024 Honda CR-V, N/A; Fits 2003-2022 Honda Accord, N/A; Fits 2019-2024 Acura RDX, N/A; Fits 2007-2017 Acura MDX, N/A.
Quality Assurance
Standard Ignition replacement electrical components are cataloged for OE-style service use and application matching. Part number RY-721 is supported by published interchange data for cross-reference verification during ordering and diagnosis.
This part fits 240 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | # Doors | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2024 | Acura | Integra | — | — | — | — | N/A | — |
| 2024 | Acura | RDX | — | — | — | — | N/A | — |
| 2024 | Honda | Civic | — | — | — | — | N/A | — |
| 2024 | Honda | CR-V | — | — | — | — | N/A | — |
| 2023 | Acura | Integra | — | — | — | — | N/A | — |
| 2023 | Acura | RDX | — | — | — | — | N/A | — |
| 2023 | Honda | Civic | — | — | — | — | N/A | — |
| 2023 | Honda | CR-V | — | — | — | — | N/A | — |
| 2023 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2022 | Acura | RDX | — | — | — | — | N/A | — |
| 2022 | Honda | Accord | — | — | — | — | N/A | — |
| 2022 | Honda | Civic | — | — | — | — | N/A | — |
| 2022 | Honda | CR-V | — | — | — | — | N/A | — |
| 2022 | Honda | Insight | — | — | — | — | N/A | — |
| 2022 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2022 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2021 | Acura | RDX | — | — | — | — | N/A | — |
| 2021 | Honda | Accord | — | — | — | — | N/A | — |
| 2021 | Honda | Civic | — | — | — | — | N/A | — |
| 2021 | Honda | Clarity | — | — | — | — | N/A | — |
| 2021 | Honda | CR-V | — | — | — | — | N/A | — |
| 2021 | Honda | HR-V | — | — | — | — | N/A | — |
| 2021 | Honda | Insight | — | — | — | — | N/A | — |
| 2021 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2021 | Honda | Passport | — | — | — | — | N/A | — |
| 2021 | Honda | Pilot | — | — | — | — | N/A | — |
| 2021 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2020 | Acura | RDX | — | — | — | — | N/A | — |
| 2020 | Acura | TLX | — | — | — | — | N/A | — |
| 2020 | Honda | Accord | — | — | — | — | N/A | — |
| 2020 | Honda | Civic | — | — | — | — | N/A | — |
| 2020 | Honda | Clarity | — | — | — | — | N/A | — |
| 2020 | Honda | CR-V | — | — | — | — | N/A | — |
| 2020 | Honda | HR-V | — | — | — | — | N/A | — |
| 2020 | Honda | Insight | — | — | — | — | N/A | — |
| 2020 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2020 | Honda | Passport | — | — | — | — | N/A | — |
| 2020 | Honda | Pilot | — | — | — | — | N/A | — |
| 2020 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2019 | Acura | RDX | — | — | — | — | N/A | — |
| 2019 | Acura | TLX | — | — | — | — | N/A | — |
| 2019 | Honda | Accord | — | — | — | — | N/A | — |
| 2019 | Honda | Civic | — | — | — | — | N/A | — |
| 2019 | Honda | Clarity | — | — | — | — | N/A | — |
| 2019 | Honda | CR-V | — | — | — | — | N/A | — |
| 2019 | Honda | HR-V | — | — | — | — | N/A | — |
| 2019 | Honda | Insight | — | — | — | — | N/A | — |
| 2019 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2019 | Honda | Passport | — | — | — | — | N/A | — |
| 2019 | Honda | Pilot | — | — | — | — | N/A | — |
| 2019 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2018 | Acura | TLX | — | — | — | — | N/A | — |
| 2018 | Honda | Accord | — | — | — | — | N/A | — |
| 2018 | Honda | Civic | — | — | — | — | N/A | — |
| 2018 | Honda | Clarity | — | — | — | — | N/A | — |
| 2018 | Honda | CR-V | — | — | — | — | N/A | — |
| 2018 | Honda | HR-V | — | — | — | — | N/A | — |
| 2018 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2018 | Honda | Pilot | — | — | — | — | N/A | — |
| 2018 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2018 | Subaru | Outback | — | — | — | — | N/A | In Fuse Panel |
| 2017 | Acura | MDX | — | — | 3.0L | V6 | N/A | — |
| 2017 | Acura | NSX | — | — | 3.5L | V6 | N/A | — |
| 2017 | Acura | RLX | — | — | 3.5L | V6 | N/A | — |
| 2017 | Acura | TLX | — | — | 2.4L | L4 | N/A | — |
| 2017 | Honda | Accord | 2 Door | — | — | — | N/A | — |
| 2017 | Honda | Civic | — | — | — | — | N/A | — |
| 2017 | Honda | Clarity | — | — | — | — | N/A | — |
| 2017 | Honda | CR-V | — | — | — | — | N/A | — |
| 2017 | Honda | HR-V | — | — | — | — | N/A | — |
| 2017 | Honda | Odyssey | — | — | 3.5L | V6 | N/A | — |
| 2017 | Honda | Pilot | — | — | — | — | N/A | — |
| 2017 | Honda | Ridgeline | — | — | 3.5L | V6 | N/A | — |
| 2017 | Subaru | Outback | — | — | — | — | N/A | In Fuse Panel |
| 2016 | Acura | MDX | — | — | 3.5L | V6 | N/A | — |
| 2016 | Acura | RLX | — | — | 3.5L | V6 | N/A | — |
| 2016 | Acura | TLX | — | — | 2.4L | L4 | N/A | — |
| 2016 | Honda | Accord | 2 Door | — | — | — | N/A | — |
| 2016 | Honda | Civic | — | — | — | — | N/A | — |
| 2016 | Honda | CR-V | — | — | — | — | N/A | — |
| 2016 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2016 | Honda | HR-V | — | — | — | — | N/A | — |
| 2016 | Honda | Odyssey | — | — | 3.5L | V6 | N/A | — |
| 2016 | Honda | Pilot | — | — | — | — | N/A | — |
| 2016 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2016 | Subaru | Outback | — | — | — | — | N/A | In Fuse Panel |
| 2015 | Acura | MDX | — | — | — | — | N/A | — |
| 2015 | Acura | RLX | — | — | 3.5L | V6 | N/A | — |
| 2015 | Acura | TLX | — | — | — | — | N/A | — |
| 2015 | Honda | Accord | 2 Door | — | — | — | N/A | — |
| 2015 | Honda | CR-V | — | — | — | — | N/A | — |
| 2015 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2015 | Honda | Crosstour | — | — | — | — | N/A | — |
| 2015 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2015 | Honda | Pilot | — | — | — | — | N/A | — |
| 2015 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2015 | Subaru | Outback | — | — | — | — | N/A | — |
| 2014 | Acura | MDX | — | — | — | — | N/A | — |
| 2014 | Acura | RLX | — | — | 3.5L | V6 | N/A | — |
| 2014 | Acura | TL | — | — | 3.5L | V6 | N/A | — |
| 2014 | Honda | Accord | 2 Door | — | — | — | N/A | — |
| 2014 | Honda | CR-V | — | — | — | — | N/A | — |
| 2014 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2014 | Honda | Crosstour | — | — | — | — | N/A | — |
| 2014 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2014 | Honda | Pilot | — | — | — | — | N/A | — |
| 2014 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2014 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2014 | Subaru | Outback | — | — | — | — | N/A | — |
| 2013 | Acura | MDX | — | — | — | — | N/A | — |
| 2013 | Acura | TL | — | — | 3.5L | V6 | N/A | — |
| 2013 | Acura | TSX | — | — | — | — | N/A | — |
| 2013 | Acura | ZDX | — | — | — | — | N/A | — |
| 2013 | Honda | Accord | — | — | — | — | N/A | — |
| 2013 | Honda | CR-V | — | — | — | — | N/A | — |
| 2013 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2013 | Honda | Crosstour | — | — | — | — | N/A | — |
| 2013 | Honda | Fit | — | — | — | — | N/A | — |
| 2013 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2013 | Honda | Pilot | — | — | — | — | N/A | — |
| 2013 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2013 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2013 | Subaru | Outback | — | — | — | — | N/A | — |
| 2012 | Acura | MDX | — | — | — | — | N/A | — |
| 2012 | Acura | RDX | — | — | 2.3L | L4 | N/A | — |
| 2012 | Acura | RL | — | — | 3.7L | V6 | N/A | — |
| 2012 | Acura | TL | — | — | 3.5L | V6 | N/A | — |
| 2012 | Acura | TSX | — | — | — | — | N/A | — |
| 2012 | Acura | ZDX | — | — | — | — | N/A | — |
| 2012 | Honda | Accord | — | — | — | — | N/A | — |
| 2012 | Honda | CR-V | — | — | — | — | N/A | — |
| 2012 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2012 | Honda | Crosstour | — | — | — | — | N/A | — |
| 2012 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2012 | Honda | Pilot | — | — | — | — | N/A | — |
| 2012 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2012 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2012 | Subaru | Outback | — | — | — | — | N/A | — |
| 2012 | Subaru | Tribeca | — | — | — | — | N/A | — |
| 2011 | Acura | MDX | — | — | — | — | N/A | — |
| 2011 | Acura | RDX | — | — | 2.3L | L4 | N/A | — |
| 2011 | Acura | RL | — | — | 3.7L | V6 | N/A | — |
| 2011 | Acura | TL | — | — | 3.5L | V6 | N/A | — |
| 2011 | Acura | TSX | — | — | — | — | N/A | — |
| 2011 | Acura | ZDX | — | — | — | — | N/A | — |
| 2011 | Honda | Accord | — | — | — | — | N/A | — |
| 2011 | Honda | Accord Crosstour | — | — | — | — | N/A | — |
| 2011 | Honda | Civic | — | — | — | — | N/A | — |
| 2011 | Honda | CR-V | — | — | — | — | N/A | — |
| 2011 | Honda | CR-Z | — | — | — | — | N/A | — |
| 2011 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2011 | Honda | Pilot | — | — | — | — | N/A | — |
| 2011 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2011 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2011 | Subaru | Outback | — | — | — | — | N/A | — |
| 2010 | Acura | MDX | — | — | — | — | N/A | — |
| 2010 | Acura | RDX | — | — | — | — | N/A | — |
| 2010 | Acura | RL | — | — | — | — | N/A | — |
| 2010 | Acura | TSX | — | — | — | — | N/A | — |
| 2010 | Acura | ZDX | — | — | — | — | N/A | — |
| 2010 | Honda | Accord | — | — | — | — | N/A | — |
| 2010 | Honda | Accord Crosstour | — | — | — | — | N/A | — |
| 2010 | Honda | Civic | — | — | — | — | N/A | — |
| 2010 | Honda | CR-V | — | — | — | — | N/A | — |
| 2010 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2010 | Honda | Pilot | — | — | — | — | N/A | — |
| 2010 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2010 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2010 | Subaru | Outback | — | — | — | — | N/A | — |
| 2009 | Acura | MDX | — | — | — | — | N/A | — |
| 2009 | Acura | RDX | — | — | — | — | N/A | — |
| 2009 | Acura | RL | — | — | — | — | N/A | — |
| 2009 | Acura | TSX | — | — | — | — | N/A | — |
| 2009 | Honda | Accord | — | — | — | — | N/A | — |
| 2009 | Honda | Civic | — | — | — | — | N/A | — |
| 2009 | Honda | CR-V | — | — | — | — | N/A | — |
| 2009 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2009 | Honda | Pilot | — | — | — | — | N/A | — |
| 2009 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2009 | Subaru | Forester | — | — | 2.5L | H4 | N/A | — |
| 2009 | Subaru | Impreza | — | — | 2.5L | H4 | N/A | — |
| 2009 | Subaru | Legacy | — | — | 2.5L | H4 | N/A | — |
| 2009 | Subaru | Outback | — | — | 2.5L | H4 | N/A | — |
| 2008 | Acura | MDX | — | — | — | — | N/A | — |
| 2008 | Acura | RDX | — | — | 2.3L | L4 | N/A | — |
| 2008 | Acura | RL | — | — | 3.5L | V6 | N/A | — |
| 2008 | Acura | TSX | — | — | — | — | N/A | — |
| 2008 | Honda | Accord | — | — | — | — | N/A | — |
| 2008 | Honda | Civic | — | — | — | — | N/A | — |
| 2008 | Honda | CR-V | — | — | — | — | N/A | — |
| 2008 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2008 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2008 | Subaru | Legacy | — | — | — | — | N/A | — |
| 2008 | Subaru | Outback | — | — | 2.5L | H4 | N/A | — |
| 2007 | Acura | MDX | — | — | — | — | N/A | — |
| 2007 | Acura | RDX | — | — | — | — | N/A | — |
| 2007 | Acura | RL | — | — | — | — | N/A | — |
| 2007 | Acura | TL | — | — | — | — | N/A | — |
| 2007 | Acura | TSX | — | — | — | — | N/A | — |
| 2007 | Honda | Accord | — | — | — | — | N/A | — |
| 2007 | Honda | Civic | — | — | — | — | N/A | — |
| 2007 | Honda | CR-V | — | — | — | — | N/A | — |
| 2007 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2007 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2007 | Subaru | Legacy | — | — | 2.5L | H4 | N/A | — |
| 2007 | Subaru | Outback | — | — | — | — | N/A | — |
| 2006 | Acura | RL | — | — | — | — | N/A | — |
| 2006 | Acura | TL | — | — | — | — | N/A | — |
| 2006 | Acura | TSX | — | — | — | — | N/A | — |
| 2006 | Honda | Accord | — | — | — | — | N/A | — |
| 2006 | Honda | Civic | — | — | — | — | N/A | — |
| 2006 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2006 | Honda | Ridgeline | — | — | — | — | N/A | — |
| 2006 | Subaru | Baja | — | — | — | — | N/A | — |
| 2006 | Subaru | Legacy | — | — | 2.5L | H4 | N/A | — |
| 2006 | Subaru | Outback | — | — | — | — | N/A | — |
| 2005 | Acura | RL | — | — | — | — | N/A | — |
| 2005 | Acura | TL | — | — | — | — | N/A | — |
| 2005 | Acura | TSX | — | — | — | — | N/A | — |
| 2005 | Honda | Accord | — | — | — | — | N/A | — |
| 2005 | Honda | Odyssey | — | — | — | — | N/A | — |
| 2005 | Subaru | Baja | — | — | — | — | N/A | — |
| 2005 | Subaru | Legacy | — | — | 2.5L | H4 | N/A | — |
| 2005 | Subaru | Outback | — | — | 2.5L | H4 | N/A | — |
| 2004 | Acura | TL | — | — | — | — | N/A | — |
| 2004 | Acura | TSX | — | — | — | — | N/A | — |
| 2004 | Honda | Accord | — | — | — | — | N/A | — |
| 2004 | Subaru | Baja | — | — | — | — | N/A | — |
| 2004 | Subaru | Legacy | — | Automatic | — | — | N/A | — |
| 2004 | Subaru | Outback | — | Automatic | — | — | N/A | — |
| 2003 | Honda | Accord | — | — | — | — | N/A | — |
| 2003 | Subaru | Baja | — | — | — | — | N/A | — |
| 2003 | Subaru | Legacy | — | Automatic | — | — | N/A | — |
| 2003 | Subaru | Outback | — | Automatic | — | — | N/A | — |
| 2002 | Subaru | Legacy | — | Automatic | — | — | N/A | — |
| 2002 | Subaru | Outback | — | Automatic | — | — | N/A | — |
| 2001 | Subaru | Legacy | — | Automatic | — | — | N/A | — |
| 2001 | Subaru | Outback | — | Automatic | — | — | N/A | — |
| 2000 | Subaru | Legacy | — | Automatic | — | — | N/A | — |
| 2000 | Subaru | Outback | — | Automatic | — | — | N/A | — |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Rostra Powertrain Controls — 60-0071Standard Ignition — RY-721T Series — RY1052T1R191225-038256-22182056939792SDAA01AR6226AR6558SBJR87R6226RAA1756