Standard Ignition RY-548 Circuit Opening Relay

Brand Standard Ignition RY-548
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 Toyota · 3 vehicles

Direct replacement. Relay with a rectangular female connector and 5 blade terminals.

Mounting bracket included. Simplifies installation with the needed support already attached.

12-volt relay. Built for standard electrical systems with a single relay function.

Cross-references Rostra Powertrain Controls 60-0301, Standard Ignition RY-548 and 1R2151 for the same application. See all 12.

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Standard Ignition RY-548 Circuit Opening Relay

The Standard Ignition RY-548 is a 12-volt circuit opening relay built for electrical control in the fuel and starting system circuit. It features a rectangular female connector, five male blade terminals, and an included mounting bracket for a direct-fit style replacement.

Compatible with 1995-1997 Toyota Tacoma applications, this relay is a practical choice when diagnosing intermittent no-start conditions or fuel delivery circuit faults. The Standard Ignition RY-548 is also cross-referenced to common replacement numbers used for the same application.

Key Features

  • 12 V circuit opening relay for automotive electrical systems
  • Rectangular connector with 1 female connector interface
  • 5 male blade terminals for OE-style electrical connection
  • Mounting bracket included for secure installation
  • Standard Ignition RY-548 replacement part number
  • Fits 1995-1997 Toyota Tacoma

Product Details

This circuit opening relay is used to control power flow in the vehicle’s electrical circuit, helping manage relay operation where a dependable switching signal is required. It is built with a single connector layout, male blade terminals, and a bracketed mounting design to match the original relay style used on select Toyota Tacoma models. If you are replacing a failed relay on a 1995-1997 Toyota Tacoma, RY-548 provides the correct form factor for that application.

This part cross-references Monroe Shocks & Struts (e.g., 172286) for the same application.

Common Problems This Relay Can Address

  • Engine cranks but does not receive proper relay-controlled circuit power
  • Intermittent fuel pump relay operation
  • No-start condition caused by a failed circuit opening relay
  • Electrical contact wear inside the original relay
  • Relay connector or terminal mismatch during replacement

Installation Notes and Tips

Verify connector shape, terminal count, and mounting location before installation. Confirm the vehicle uses a 12-volt relay with a rectangular female connector and five male blade terminals. For 1995-1997 Toyota Tacoma service, compare the original relay to Standard Ignition RY-548 to confirm fitment and terminal layout before reconnecting the harness.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical replacement parts, and this relay is built to match the specified application details for reliable service in compatible Toyota Tacoma models.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997ToyotaTacomaN/A
1996ToyotaTacomaN/A
1995ToyotaTacomaN/A
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Rostra Powertrain Controls — 60-0301Standard Ignition — RY-5481R215125-030256-2378203-0223567-0040208048591035030AR6089R6089RAA1939