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Standard Ignition RY-785 HVAC RelayOE Quality 60-Day Returns
Part #: RY-785

Standard Ignition RY-785 HVAC Relay

154 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, Edge, Escape, Expedition, Explorer, F-150, F-150 Heritage, F-250, F-250 Super Duty, F-350 Super Duty, Five Hundred, Flex, Fusion, Mariner, Mark LT, Milan, MKS, MKT, MKX, MKZ, Montego, Navigator, Sable, Taurus, Transit Connect, and Zephyr
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Reliable HVAC Relay for Ford, Lincoln, and Mercury Vehicles

The Standard Ignition RY-785 HVAC relay is designed to provide dependable electrical control for your vehicle's heating, ventilation, and air conditioning system. Engineered for select Ford, Lincoln, and Mercury models, this 12-volt relay ensures consistent performance and durability.

  • Amperage rating of 20 amps for stable current handling
  • Square connector shape for secure and precise fitment
  • Four male blade terminals for reliable electrical connections
  • Operates at 12 volts, compatible with standard automotive electrical systems
  • Designed specifically for HVAC relay functions

Technical Details and Compatibility

The Standard Ignition RY-785 HVAC relay features a 20 amp amperage rating, making it suitable for managing the electrical load of HVAC components in your vehicle. Its square connector shape and four male blade terminals provide a secure and straightforward connection, minimizing the risk of electrical faults. Operating at 12 volts, this relay is compatible with the electrical systems of various Ford, Lincoln, and Mercury models including the Ford F-150, Explorer, Escape, and Expedition, as well as Lincoln Navigator and Mercury Milan among others.

Applications and Common Issues Addressed

  • Restores HVAC system functionality when the relay fails
  • Prevents intermittent heating or cooling issues caused by faulty relay contacts
  • Eliminates electrical shorts or relay-related HVAC system malfunctions
  • Ensures consistent blower motor operation in Ford Edge and Lincoln MKX models
  • Supports reliable climate control in Mercury Mariner and Ford Fusion vehicles

Installation Notes and Tips

When replacing the HVAC relay RY-785, ensure the vehicle's ignition is off and the battery is disconnected to avoid electrical hazards. Verify the relay's connector shape and terminal configuration match the original part. The relay mounts without brackets, so secure it firmly in the designated relay socket to prevent vibration-related issues. Consult the vehicle’s service manual for specific relay location and wiring diagrams.

Quality Assurance and Warranty

Standard Ignition manufactures the RY-785 HVAC relay to meet OEM specifications for fit, form, and function. While no mounting brackets are included, the relay is built to provide reliable service life under normal operating conditions. Please refer to Standard Ignition’s warranty policy for coverage details.

BrandStandard Ignition
Part NumberRY-785
Amperage Rating20 a
Connector ShapeSquare
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Voltage12

This part fits 154 vehicles. Search below:

YearMakeModelPositionNotes
2020FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2019FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2018FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2017FordFlexN/A
2017FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2017LincolnMKTN/A
2016FordFlexN/A
2016FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2016LincolnMKSN/A
2016LincolnMKTN/A
2015FordExplorerN/ASquare Relay; 20 Amp; 4 Term.
2015FordF-150N/ASquare Relay; 20 Amp; 4 Term.
2015FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2015FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2015FordFlexN/A
2015FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2015FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2015LincolnMKSN/A
2015LincolnMKTN/A
2015LincolnMKXN/ASquare Relay; 20 Amp; 4 Term.
2014FordEdgeN/ASquare Relay; 20 Amp; 4 Term.
2014FordExplorerN/ASquare Relay; 20 Amp; 4 Term.
2014FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2014FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2014FordFlexN/A
2014FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2014FordFusionN/ASquare Relay; 20 Amp; 4 Term.
2014FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2014LincolnMKSN/A
2014LincolnMKTN/A
2014LincolnMKXN/ASquare Relay; 20 Amp; 4 Term.
2014LincolnMKZN/ASquare Relay; 20 Amp; 4 Term.
2013FordEdgeN/ASquare Relay; 20 Amp; 4 Term.
2013FordExplorerN/ASquare Relay; 20 Amp; 4 Term.
2013FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2013FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2013FordFlexN/A
2013FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2013FordFusionN/ASquare Relay; 20 Amp; 4 Term.
2013FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2013FordTransit ConnectN/ASquare Relay; 20 Amp; 4 Term.
2013LincolnMKSN/A
2013LincolnMKTN/A
2013LincolnMKXN/ASquare Relay; 20 Amp; 4 Term.
2013LincolnMKZN/ASquare Relay; 20 Amp; 4 Term.
2012FordEdgeN/ASquare Relay; 20 Amp; 4 Term.
2012FordExplorerN/A4 Term.
2012FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2012FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2012FordFlexN/A
2012FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2012FordFusionN/ASquare Relay; 20 Amp; 4 Term.
2012FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2012FordTransit ConnectN/ASquare Relay; 20 Amp; 4 Term.
2012LincolnMKSN/A
2012LincolnMKTN/A
2011FordEdgeN/ASquare Relay; 20 Amp; 4 Term.
2011FordExplorerN/A4 Term.
2011FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2011FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2011FordFlexN/A
2011FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2011FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2011FordTransit ConnectN/ASquare Relay; 20 Amp; 4 Term.
2011LincolnMKSN/A
2011LincolnMKTN/A
2010FordExpeditionN/A
2010FordF-150N/A4 Term.
2010FordFlexN/A
2010FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2010FordTaurusN/ASquare Relay; 20 Amp; 4 Term.
2010FordTransit ConnectN/ASquare Relay; 20 Amp; 4 Term.
2010LincolnMKSN/A
2010LincolnMKTN/A
2009FordEdgeN/ABlack Finish; 20 Amp; 4 Term.
2009FordFlexN/A
2009FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2009LincolnMKSN/A
2009LincolnMKZN/ASquare Relay; 20 Amp; 4 Term.
2009MercuryMilanN/ASquare Shape; 20 Amp; 4 Term.
2008FordEdgeN/ABlack Finish; 20 Amp; 4 Term.
2008FordEscapeN/ASquare Shape; 20 Amp; 4 Term.
2008FordF-150N/ASquare Relay; 20 Amp; 4 Term.
2008FordF-150N/A
2008FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2008FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2008FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2008FordFusionN/A
2008FordTaurusN/A20 Amp; 4 Term.
2008LincolnMark LTN/ASquare Relay; 20 Amp; 4 Term.
2008LincolnMKZN/ASquare Relay; 20 Amp; 4 Term.
2008LincolnNavigatorN/A
2008MercuryMarinerN/ASquare Shape; 20 Amp; 4 Term.
2008MercuryMilanN/ASquare Shape; 20 Amp; 4 Term.
2008MercurySableN/A20 Amp; 4 Term.
2007FordEdgeN/ABlack Finish; 20 Amp; 4 Term.
2007FordEscapeN/ABlack Finish; 20 Amp; 4 Term.
2007FordExpeditionN/A20 Amp
2007FordF-150N/A
2007FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2007FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2007FordFive HundredN/A20 Amp; 4 Term.
2007FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2007FordTaurusN/A20 Amp; 4 Term.
2007LincolnMark LTN/ASquare Relay; 20 Amp; 4 Term.
2007LincolnMKZN/ASquare Relay; 20 Amp; 4 Term.
2007LincolnNavigatorN/A
2007MercuryMarinerN/ASquare Shape; 20 Amp; 4 Term.
2007MercuryMilanN/ASquare Shape; 20 Amp; 4 Term.
2007MercuryMontegoN/A20 Amp; 4 Term.
2006FordEscapeN/AEngine Coolant Temperature Sensor with Black Finish and 4 Terminals.
2006FordF-150N/A
2006FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2006FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2006FordFive HundredN/A20 Amp; 4 Term.
2006FordFusionN/ASquare Shape; 20 Amp; 4 Term.
2006FordTaurusN/A20 Amp; 4 Term.
2006LincolnMark LTN/ASquare Relay; 20 Amp; 4 Term.
2006LincolnNavigatorN/APhysical Comparison Required; 20 Amp; 4 Term.
2006LincolnZephyrN/ASquare Shape; 20 Amp; 4 Term.
2006MercuryMarinerN/ASquare Shape; 20 Amp; 4 Term.
2006MercuryMilanN/ASquare Shape; 20 Amp; 4 Term.
2006MercuryMontegoN/A20 Amp; 4 Term.
2005FordF-150N/A
2005FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2005FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2005FordFive HundredN/A20 Amp; 4 Term.
2005FordTaurusN/A20 Amp; 4 Term.
2005LincolnNavigatorN/APhysical Comparison Required; 20 Amp; 4 Term.
2005MercuryMontegoN/A20 Amp; 4 Term.
2005MercurySableN/A20 Amp; 4 Term.
2004FordF-150N/ASquare Relay; 20 Amp; 4 Term.
2004FordF-150 HeritageN/ASquare Relay; 20 Amp; 4 Term.
2004FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2004FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2004LincolnNavigatorN/APhysical Comparison Required; 20 Amp; 4 Term.
2003FordF-150N/A20 Amp; 4 Term.
2003FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2003FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2003LincolnNavigatorN/APhysical Comparison Required; 20 Amp; 4 Term.
2002FordF-150N/A20 Amp; 4 Term.
2002FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2002FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2002LincolnNavigatorN/APhysical Comparison Required; 20 Amp; 4 Term.
2001FordF-150N/ASquare Relay; 20 Amp; 4 Term.
2001FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2001FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
2000FordF-150N/ASquare Relay; 20 Amp; 4 Term.
2000FordF-250 Super DutyN/ASquare Relay; 20 Amp; 4 Term.
2000FordF-350 Super DutyN/ASquare Shape; 20 Amp; 4 Term.
1999FordF-150N/ABlack Finish; 20 Amp; 4 Term.
1999FordF-250N/ABlack Finish; 20 Amp; 4 Term.
1999FordF-250 Super DutyN/ABlack Finish; 20 Amp; 4 Term.
1999FordF-350 Super DutyN/ABlack Finish; 20 Amp; 4 Term.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

162361R20963620656-23325L3TAAAR6290MT1541R6290RAA1735

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.