Four Seasons 36134 HVAC Heater Relay

Four Seasons 36134 HVAC Heater Relay

The Four Seasons Relay line delivers OE-style electrical control for HVAC systems, and this Four Seasons 36134 HVAC heater relay is built for 12-volt operation with a 30-amp rating. It uses a standard relay design with a square female connector, blade terminals, and a skirted black housing for direct replacement use in a wide range of Ford, Mazda, and Mercury applications.

Key Features

• 12-volt HVAC heater relay with 30-amp amperage rating
• Standard relay style with 5 blade terminals
• Female connector, male terminal gender, square connector shape
• Black housing with skirted design and no bracket
• Circuit type: resistor
• Meets or exceeds OEM requirements
• Four Seasons 36134 part number for easy identification

Product Details

This HVAC heater relay is designed to control electrical switching in heating and climate control circuits, helping restore proper relay function in vehicles that rely on a resistor-style HVAC control setup. The Four Seasons Relay 36134 is a direct-fit style replacement for many Ford E-150, E-250, E-350, Explorer, Escape, Freestar, and related Mazda B-Series and Mercury applications. This part cross-references Gates 19279 for the same application.

Common Issues This Relay Can Help Resolve

• HVAC blower or heater circuit not responding as expected
• Intermittent relay operation in the climate control system
• Electrical switching faults in ATC relay connector applications
• Relay-related loss of heater or blower control
• Replacement need for worn or heat-damaged relay contacts

Installation Notes and Fitment Tips

Fits 2006-2010 Mazda B2300, relay. Fits 2006-2010 Mazda B4000, relay. Fits 1998-2004 Mazda B4000, relay. Fits 2006-2008 Mazda B3000, relay. Fits 1998-2004 Mazda B3000, relay. Fits 2002-2007 Ford E-150, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2007 Ford E-150 Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1992-2002 Ford E-150 Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2003-2007 Ford E-250, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2007 Ford E-350 Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1992-2000 Ford E-350 Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1999-2007 Ford E-350 Super Duty, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2001-2007 Ford Escape, relay. Fits 2002-2007 Ford Explorer, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2007 Ford Explorer Sport Trac, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2002-2005 Ford Explorer Sport Trac, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2004-2007 Ford Freestar, Front Unit - HVAC Blower Motor Resistor Harness; relay. Fits 2005-2007 Ford Freestyle, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1999-2006 Ford Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2005-2006 Mercury Mariner, relay. Fits 2003-2005 Ford E-150 Club Wagon, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2002-2005 Ford E-350 Club Wagon, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2003-2005 Lincoln Aviator, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2002-2005 Mercury Mountaineer, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 2004 Mazda Tribute, relay. Fits 1998-2003 Ford Escort, relay. Fits 2002-2003 Ford Explorer Sport, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1992-2002 Ford E-150 Econoline Club Wagon, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1992-2002 Ford E-250 Econoline, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1992-2002 Ford E-350 Econoline Club Wagon, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1997-2002 Ford Expedition, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1998-2002 Lincoln Navigator, HVAC Automatic Temperature Control (ATC) Relay Connector; relay. Fits 1995-2001 Ford Explorer, Front Unit - HVAC Blower Motor Resistor Harness; relay. Fits 2001 Ford Explorer Sport, Front Unit - HVAC Blower Motor Resistor Harness; relay. Fits 2001 Ford Explorer Sport Trac, Front Unit - HVAC Blower Motor Resistor Harness; relay. Fits 1998-2001 Mazda B2500, relay. Fits 1997-1999 Mercury Mountaineer, With skirt.; relay. Fits 1997-1999 Mercury Tracer, relay. Fits 1997-1998 Lincoln Mark VIII, relay. Fits 1991-1997 Ford Aerostar, relay. Fits 1990-1995 Lincoln Continental, relay. Fits 1993-1994 Ford Aerostar, Auxiliary; relay. Fits 1994 Ford Thunderbird, relay. Fits 1993 Ford Cougar, A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; relay. Fits 1991-1993 Ford Mustang, A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; relay. Fits 1993 Ford Thunderbird, A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; relay. Fits 1993 Mercury Cougar, A/C Compressor Cut-Out Relay for Engine Cooling Fan Motor Relay.; relay.

Quality Assurance

Four Seasons designs this relay to meet or exceed OEM specifications, supporting dependable electrical performance in HVAC relay applications. The Four Seasons Relay 36134 is built for standard replacement use where correct terminal layout, connector style, and circuit type are required.