Standard Ignition

Standard Ignition RY-224 HVAC Relay

Brand Standard Ignition RY-224
Connector Gender Female
Connector Shape Rectangular
Contents Relay
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Audi, Ford, and Mercury · 38 vehicles

OE-quality construction. Built by an original equipment ignition manufacturer with strict quality control.

Composite housing. Helps protect the relay from harsh temperatures and underhood conditions.

Blade terminals. Uses brass or copper contacts where specified for extended wear.

Cross-references Four Seasons 20416, Four Seasons 37505 and 1R1764 for the same application. See all 10.

$84.01Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $84.01
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

HVAC Relay for Audi and Ford Applications

Standard Ignition RY-224 is a 12-volt HVAC relay built for vehicles that need dependable control of heating and air conditioning circuits. It uses a rectangular female connector with male blade terminals for a direct electrical connection in the specified applications.

  • 12-volt HVAC relay for climate control circuit operation
  • Rectangular connector design with female connector gender
  • Male blade terminals with 2 terminal blades
  • Composite housing helps protect against heat and under-hood exposure
  • Brass or copper contacts are used where specified for wear resistance
  • Manufactured under TS16949 and ISO9001 quality systems

Detailed Product Overview

This Standard Ignition RY-224 HVAC relay is built for vehicles that rely on relay-controlled blower or climate system functions. It is a direct-fit electrical component for select Audi 100, Audi 80 Quattro, Audi V8 Quattro, Audi 200, Audi 90, Audi Coupe Quattro, and Ford Mustang, Festiva, Thunderbird, LTD, and Mercury Capri, Cougar, and Marquis applications. This part cross-references Four Seasons 20416 and 37505 for the same application.

Compatible With 1990-1992 Audi 100, 1990-1992 Audi 80 Quattro, 1990-1992 Audi V8 Quattro, 1984-1992 Ford Mustang, 1990-1991 Audi 200, 1990-1991 Audi 90, 1990-1991 Audi Coupe Quattro, 1988-1989 Ford Festiva, 1985-1986 Ford Thunderbird, 1984-1986 Mercury Capri, 1985-1986 Mercury Cougar, 1985 Ford LTD, 1984-1985 Mercury Marquis, and 1984 Ford LTD. Fits 1984-1986 Mercury Capri, HVAC Blower Motor Resistor Harness with AC - Voltage Regulator, and 1984 Ford LTD, HVAC Blower Motor Resistor Harness with AC - Voltage Regulator.

Common HVAC Relay Symptoms

  • Blower motor or HVAC circuit does not switch on consistently
  • Intermittent heating or air conditioning relay operation
  • Electrical clicking without normal circuit response
  • Heat-related relay failure in the under-hood environment
  • Corroded or worn relay contacts affecting current flow

Installation Notes

Verify the connector shape, terminal style, and voltage rating before installation. Match the relay to the vehicle’s original HVAC circuit layout and inspect the harness terminals for heat damage, looseness, or corrosion before connecting the new part. No mounting bracket is included.

Quality Assurance

Standard Ignition manufactures this relay under controlled quality processes with TS16949 and ISO9001 certified plants. The housing and contact materials are selected to support reliable operation in demanding automotive electrical environments.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1992Audi100N/A
1992Audi80 QuattroN/A
1992AudiV8 QuattroN/A
1992FordMustangN/A
1991Audi100N/A
1991Audi200N/A
1991Audi80 QuattroN/A
1991Audi90N/A
1991AudiCoupe QuattroN/A
1991AudiV8 QuattroN/A
1991FordMustangN/A
1990Audi100N/A
1990Audi200N/A
1990Audi80 QuattroN/A
1990Audi90N/A
1990AudiCoupe QuattroN/A
1990AudiV8 QuattroN/A
1990FordMustangN/A
1989FordFestivaN/A
1989FordMustangN/A
1988FordFestivaN/A
1988FordMustangN/A
1987FordMustangN/A
1986FordMustangN/A
1986FordThunderbirdN/A
1986MercuryCapri2.3LL4N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1986MercuryCougarN/A
1985FordLTDN/A
1985FordMustangN/A
1985FordThunderbirdN/A
1985MercuryCapri2.3LL4N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1985MercuryCougarN/A
1985MercuryMarquisN/AOE No. E4DZ-B
1984FordLTDN/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1984FordMustangN/A
1984MercuryCapri2.3LL4N/AHVAC Blower Motor Resistor Harness with AC - Voltage Regulator
1984MercuryMarquisN/AOE No. E4DZ-B
1984MercuryMarquisN/A
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 20416Four Seasons — 375051R176415-5071756-2109AR140AR453E4DZ8B658AMT0683R4105