Standard Ignition RY-1740 Accessory Power Relay
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Standard Ignition

Standard Ignition RY-1740 Accessory Power Relay

Brand Standard Ignition RY-1740
Amperage Rating 70 a
Connector Shape Rectangular
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Quantity 5
Terminal Type Blade
Voltage 12
Fits Ford · 6 vehicles

Durable composite housing. Helps protect against harsh heat and severe under-hood conditions.

Aluminum contacts. Built for lasting durability and dependable relay performance.

Epoxy-sealed design. Helps keep out dust, heat, and moisture.

Cross-references 6S6Z12A343A, 12A343 and AR7244 for the same application. See all 4.

$16.27Free shipping
In stock · usually ships same day before 1pm CST
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Accessory Power Relay for Ford Fiesta

The Standard Ignition RY-1740 is a 12-volt accessory power relay built for electrical switching in demanding under-hood environments. It is a direct-fit option for 2014-2019 Ford Fiesta models with a 70 amp, 5-terminal configuration.

Key Features

  • 70 amp amperage rating for accessory power control
  • 12-volt relay with rectangular connector shape
  • 5 blade terminals with male terminal design
  • Composite housing helps protect against heat and severe under-hood conditions
  • Aluminum contacts support durability and long service life
  • Epoxy-sealed construction helps resist dust, heat, and moisture
  • Manufactured in a TS16949 and ISO9001 certified facility

Detailed Description

Standard Ignition RY-1740 is an accessory power relay engineered for reliable electrical switching in vehicles that use a 70 amp, 5-terminal relay layout. The composite housing and epoxy sealing help protect internal components from temperature extremes and contamination, while aluminum contacts are used to support consistent conductivity and longevity. This relay is a practical replacement for Ford Fiesta electrical systems that require the specified configuration. The RY-1740 also cross-references Ford 6S6Z12A343A for the same application.

What It Helps Solve

  • Intermittent accessory power operation
  • Noisy or failing relay engagement
  • Electrical switching issues caused by worn contacts
  • Relay damage from heat, dust, or moisture exposure
  • Replacement needs for a Ford Fiesta accessory power relay

Installation Notes and Tips

Verify the relay footprint, terminal count, amperage rating, and connector shape before installation. This part uses a rectangular connector with 5 male blade terminals and no mounting bracket. For fitment, it is listed for 2014-2019 Ford Fiesta, N/A, 70 Amp; 5 Term. Confirm the vehicle’s relay location and electrical specification against the original part number RY-1740 before replacement.

Quality Assurance

Standard Ignition manufactures this relay in a TS16949 and ISO9001 certified facility, supporting consistent production and quality control. The composite housing, aluminum contacts, and epoxy-sealed construction are selected to help the relay withstand harsh automotive operating conditions.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2019FordFiestaN/A70 Amp; 5 Term.
2018FordFiestaN/A70 Amp; 5 Term.
2017FordFiestaN/A70 Amp; 5 Term.
2016FordFiestaN/A70 Amp; 5 Term.
2015FordFiestaN/A70 Amp; 5 Term.
2014FordFiestaN/A70 Amp; 5 Term.
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
6S6Z12A343A12A343AR7244R7243