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Standard Ignition RY-373 Circuit Opening Relay
| Brand | Standard Ignition RY-373 |
|---|---|
| Amperage Rating | 22 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Fuel Injection Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Lexus and Toyota · 24 vehicles |
Fuel injection relay. Provides dependable switching for the fuel injection circuit.
12-volt design. Built for standard automotive electrical systems.
Blade terminals. Six male blade terminals for a secure electrical connection.
Cross-references Gates 20452, Standard Ignition RY-373 and 0567009502 for the same application. See all 5.
Standard Ignition RY-373 Circuit Opening Relay
The Standard Ignition RY-373 is a 12-volt circuit opening relay used for fuel injection relay applications in select Lexus and Toyota vehicles. It features a rectangular female connector, 6 blade terminals, and a 22-amp rating for direct-fit electrical service where the original relay has failed.
Key Features
- Part number: RY-373
- Function: fuel injection relay
- Voltage: 12V
- Amperage rating: 22 amps
- Connector: 1 rectangular female connector
- Terminal design: 6 male blade terminals
- Contents: relay only
- Continuous duty: no
- Mounting bracket included: no
Detailed Description
Standard Ignition RY-373 is a circuit opening relay built for fuel injection relay service in select Toyota and Lexus applications. It is listed for 1992-1994 Lexus ES300, 1990-1993 Lexus LS400, 1991-1993 Toyota Camry, and multiple Toyota Celica and Cressida configurations, including 6-terminal versions. This relay uses a single rectangular female connector and six male blade terminals for the specified electrical interface. Cross-reference part numbers include Gates 20452 and Standard Ignition RY-373.
What It Helps Fix
- Fuel pump or fuel injection relay failure
- Intermittent no-start conditions tied to relay operation
- Loss of fuel delivery caused by an open relay circuit
- Electrical connection issues at the relay terminals
- Starting problems on affected Lexus ES300, LS400, Toyota Camry, Celica, and Cressida models
Installation Notes and Tips
- Verify connector shape, terminal count, and terminal gender before installation.
- Confirm the vehicle uses a 12V circuit opening relay with a 22-amp rating.
- Match the application to the exact year, make, model, and any 6-terminal notes shown in the fitment data.
- Inspect the relay socket and terminals for heat damage, corrosion, or looseness before installing the replacement.
Quality Assurance
Standard Ignition replacement electrical components are built for OE-style service in the listed applications. The RY-373 is specified for direct replacement use in confirmed Lexus and Toyota fitments.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1994 | Lexus | ES300 | — | — | N/A | — |
| 1993 | Lexus | ES300 | — | — | N/A | — |
| 1993 | Lexus | LS400 | — | — | N/A | — |
| 1993 | Toyota | Camry | 3.0L | V6 | N/A | — |
| 1993 | Toyota | Camry | — | — | N/A | — |
| 1993 | Toyota | Celica | — | — | N/A | — |
| 1992 | Lexus | ES300 | — | — | N/A | — |
| 1992 | Lexus | LS400 | — | — | N/A | — |
| 1992 | Toyota | Camry | 3.0L | V6 | N/A | — |
| 1992 | Toyota | Camry | — | — | N/A | — |
| 1992 | Toyota | Celica | — | — | N/A | — |
| 1991 | Lexus | LS400 | — | — | N/A | — |
| 1991 | Toyota | Camry | — | — | N/A | — |
| 1991 | Toyota | Celica | — | — | N/A | 6 Term. |
| 1990 | Lexus | LS400 | — | — | N/A | — |
| 1985 | Toyota | Celica | 2.8L | L6 | N/A | 6 Term. |
| 1984 | Toyota | Celica | — | — | N/A | 6 Term. |
| 1984 | Toyota | Celica | — | — | N/A | — |
| 1984 | Toyota | Cressida | — | — | N/A | — |
| 1983 | Toyota | Celica | — | — | N/A | 6 Term. |
| 1983 | Toyota | Celica | — | — | N/A | — |
| 1983 | Toyota | Cressida | — | — | N/A | — |
| 1982 | Toyota | Celica | — | — | N/A | — |
| 1982 | Toyota | Cressida | — | — | N/A | 6 Term. |
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