OE Quality
60-Day Returns

Standard Ignition RY-423 Computer Control Relay
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.
| Brand | Standard Ignition |
| Part Number | RY-423 |
| Amperage Rating | 20 A |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Honda | Odyssey | N/A | |||
| 2004 | Honda | Odyssey | N/A | |||
| 2004 | Honda | Pilot | N/A | |||
| 2004 | Honda | Pilot | 3.5L | V6 | N/A | |
| 2003 | Acura | CL | N/A | |||
| 2003 | Acura | TL | 3.2L | V6 | N/A | |
| 2003 | Acura | TL | N/A | |||
| 2003 | Honda | Odyssey | N/A | |||
| 2003 | Honda | Pilot | 3.5L | V6 | N/A | |
| 2003 | Honda | Pilot | N/A | |||
| 2002 | Acura | CL | N/A | |||
| 2002 | Acura | MDX | N/A | |||
| 2002 | Acura | TL | N/A | |||
| 2002 | Honda | Accord | N/A | |||
| 2002 | Honda | Odyssey | N/A | |||
| 2001 | Acura | CL | N/A | |||
| 2001 | Acura | MDX | N/A | |||
| 2001 | Acura | TL | N/A | |||
| 2001 | Honda | Accord | N/A | |||
| 2001 | Honda | Odyssey | N/A | |||
| 2001 | Honda | Odyssey | N/A | OE No. 39400-S84-A01; Electronic Control Unit | ||
| 2001 | Honda | Prelude | N/A | |||
| 2000 | Acura | TL | N/A | |||
| 2000 | Honda | Accord | N/A | |||
| 2000 | Honda | Odyssey | N/A | |||
| 2000 | Honda | Odyssey | N/A | OE No. 39400-S84-A01; Electronic Control Unit | ||
| 2000 | Honda | Prelude | N/A | |||
| 1999 | Acura | TL | N/A | |||
| 1999 | Honda | Accord | N/A | |||
| 1999 | Honda | Odyssey | N/A | |||
| 1999 | Honda | Odyssey | N/A | OE No. 39400-S84-A01; Electronic Control Unit | ||
| 1999 | Honda | Prelude | N/A | |||
| 1998 | Honda | Accord | N/A | |||
| 1998 | Honda | Odyssey | N/A | |||
| 1998 | Honda | Prelude | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.