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Standard Ignition RY-174 HVAC Relay
| Brand | Standard Ignition RY-174 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Mounting Bracket(s) Included | Yes |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Honda · 28 vehicles |
Direct relay replacement. 12-volt HVAC relay with a rectangular connector and blade terminals.
Mounting bracket included. Simplifies installation with the bracket already provided.
Standard Ignition quality. Trusted brand for dependable electrical replacement parts.
Cross-references Davico Mfg 19226, Standard Ignition RY-174 and 39400SA5003 for the same application. See all 5.
Standard Ignition RY-174 HVAC Relay
The Standard Ignition RY-174 is a 12-volt HVAC relay built for direct replacement in select Honda heating and air conditioning circuits. It uses a rectangular female connector, male blade terminals, and includes a mounting bracket for secure installation in the original location.
Key Features
- 12-volt HVAC relay for automotive climate control circuits
- Rectangular 1-connector design with female connector gender
- 4 male blade terminals for OE-style electrical connection
- Mounting bracket included for stable fitment
- Non-continuous duty relay construction
- Contents: relay
Detailed Description
Standard Ignition RY-174 is an HVAC relay used in Honda Accord, Civic, and Prelude applications where the original relay controls power delivery for the climate system. This part number is listed for multiple OE references, including 39400-SA5-003 and 39400-SA5-661, making it a practical replacement for vehicles that need a relay with the correct connector shape, terminal layout, and 12-volt electrical specification. The RY-174 is a direct-fit style component for select 1982-1985 Honda Accord, 1982-1985 Honda Civic, and 1982-1985 Honda Prelude applications.
This part cross-references Davico Mfg 19226 for the same application.
What It Is Used For
- Restoring HVAC relay function in a Honda Accord, Civic, or Prelude
- Replacing a relay with burned contacts or intermittent switching
- Addressing blower, compressor, or climate-control power interruptions tied to relay failure
- Correcting electrical issues caused by damaged terminals or connector wear
- Replacing an OE relay referenced as 39400-SA5-003, 39400-SA5-661, or 39400-SA5-931
Installation Notes and Tips
Verify the OE number, connector shape, terminal count, and mounting style before installation. Match the vehicle’s original relay location and confirm the 12-volt system specification. For best results, inspect the connector for heat damage, corrosion, or loose terminals before installing the Standard Ignition RY-174.
Quality Assurance
Standard Ignition supplies electrical replacement parts with OE-style fitment and application-specific design. This relay is built to match the listed Honda applications and electrical configuration for dependable service in the HVAC circuit.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1985 | Honda | Accord | — | — | — | N/A | — |
| 1985 | Honda | Accord | Base | 1.6L | L4 | N/A | OE No. 39400-SA5-661 |
| 1985 | Honda | Civic | — | — | — | N/A | OE No. 39400-SA5-003 |
| 1985 | Honda | Civic | — | — | — | N/A | — |
| 1985 | Honda | Prelude | — | — | — | N/A | — |
| 1985 | Honda | Prelude | — | — | — | N/A | Stamping No. 39400-SA5-003 |
| 1984 | Honda | Accord | — | — | — | N/A | OE No. 39400-SA5-003 |
| 1984 | Honda | Accord | — | — | — | N/A | OE No. 39400-SA5-931 |
| 1984 | Honda | Accord | — | 1.8L | L4 | N/A | OE No. 39400-SA5-661 |
| 1984 | Honda | Civic | — | — | — | N/A | OE No. 39400-SA5-003 |
| 1984 | Honda | Civic | — | — | — | N/A | — |
| 1984 | Honda | Civic | — | 1.3L | L4 | N/A | OE No.39400-SA5-003 |
| 1984 | Honda | Civic | — | 1.5L | L4 | N/A | OE No.39400-SA5-003 |
| 1984 | Honda | Prelude | — | — | — | N/A | Stamping No. 39400-SA5-003 |
| 1983 | Honda | Accord | — | — | — | N/A | Power; OE No. 39400-SA5-003, 661 |
| 1983 | Honda | Accord | — | — | — | N/A | — |
| 1983 | Honda | Accord | — | 1.8L | L4 | N/A | OE No.39400-SA5-003 |
| 1983 | Honda | Civic | — | — | — | N/A | — |
| 1983 | Honda | Civic | — | 1.3L | L4 | N/A | OE No.39400-SA5-003 |
| 1983 | Honda | Civic | — | 1.5L | L4 | N/A | OE No.39400-SA5-003 |
| 1983 | Honda | Prelude | — | — | — | N/A | Stamping No. 39400-SA5-003 |
| 1982 | Honda | Accord | — | — | — | N/A | OE No. 39400-SA5-003 |
| 1982 | Honda | Accord | — | — | — | N/A | OE No. 39400-SA5-405 |
| 1982 | Honda | Accord | — | 1.8L | L4 | N/A | OE No.39400-SA5-003 |
| 1982 | Honda | Civic | — | — | — | N/A | — |
| 1982 | Honda | Civic | — | 1.3L | L4 | N/A | OE No.39400-SA5-003 |
| 1982 | Honda | Civic | — | 1.5L | L4 | N/A | OE No.39400-SA5-003 |
| 1982 | Honda | Prelude | — | — | — | N/A | — |
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