HomeElectrical, Lighting and Body > RelaysStandard Ignition RY-423 Computer Control Relay
Part #: RY-423

Standard Ignition RY-423 Computer Control Relay

⚙️ 35 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: Honda and Acura, Odyssey, Pilot, CL, TL, MDX, Accord, and Prelude
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Reliable Computer Control Relay for Acura and Honda Vehicles

The Standard Ignition RY-423 computer control relay is designed to provide dependable electrical performance for select Acura and Honda models. Engineered to meet OEM specifications, this relay ensures consistent operation in your vehicle's electrical system.

  • Compatible with Acura and Honda models including Accord, CL, MDX, Odyssey, Pilot, Prelude, and TL
  • Part number RY-423 for precise identification and fitment
  • Designed for computer control relay applications within vehicle electrical systems
  • Durable construction to withstand automotive operating conditions
  • Direct replacement part meeting original equipment standards

Product Details and Compatibility

The Standard Ignition RY-423 relay is a critical component in the electrical, lighting, and body systems of various Acura and Honda vehicles. This computer control relay is engineered to control electrical circuits by opening and closing contacts in response to signals from the vehicle’s computer system. It is compatible with popular models such as the Honda Accord, CL, MDX, Odyssey, Pilot, Prelude, and TL, ensuring proper fit and function. Using the correct relay like the RY-423 helps maintain the integrity of your vehicle’s electrical system and prevents issues related to faulty relay operation.

Common Applications and Issues Addressed

  • Intermittent or non-functioning electrical components controlled by the relay
  • Failure of computer-controlled systems due to relay malfunction
  • Electrical shorts or open circuits affecting vehicle lighting or body systems
  • Replacement during routine maintenance or electrical troubleshooting
  • Restoring proper relay function to prevent vehicle starting or operational issues

Installation Notes and Tips

When installing the Standard Ignition RY-423 relay, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shock or damage. Verify the relay’s orientation and connector type match the original part. It is recommended to inspect related wiring and connectors for corrosion or damage during replacement. Proper installation will help maintain reliable electrical system performance in your Acura or Honda vehicle.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed original equipment specifications. The RY-423 relay undergoes rigorous testing to ensure durability and consistent performance under automotive conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in your purchase.

BrandStandard Ignition
Part NumberRY-423
Amperage Rating20 A
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005HondaOdysseyN/A
2004HondaOdysseyN/A
2004HondaPilotN/A
2004HondaPilot3.5LV6N/A
2003AcuraCLN/A
2003AcuraTL3.2LV6N/A
2003AcuraTLN/A
2003HondaOdysseyN/A
2003HondaPilot3.5LV6N/A
2003HondaPilotN/A
2002AcuraCLN/A
2002AcuraMDXN/A
2002AcuraTLN/A
2002HondaAccordN/A
2002HondaOdysseyN/A
2001AcuraCLN/A
2001AcuraMDXN/A
2001AcuraTLN/A
2001HondaAccordN/A
2001HondaOdysseyN/A
2001HondaOdysseyN/AOE No. 39400-S84-A01; Electronic Control Unit
2001HondaPreludeN/A
2000AcuraTLN/A
2000HondaAccordN/A
2000HondaOdysseyN/A
2000HondaOdysseyN/AOE No. 39400-S84-A01; Electronic Control Unit
2000HondaPreludeN/A
1999AcuraTLN/A
1999HondaAccordN/A
1999HondaOdysseyN/A
1999HondaOdysseyN/AOE No. 39400-S84-A01; Electronic Control Unit
1999HondaPreludeN/A
1998HondaAccordN/A
1998HondaOdysseyN/A
1998HondaPreludeN/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:

191133311R145520113203-021425-024639400S82A0156-1891AR531AR672JR67R4819RAC1495

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