Four Seasons 37556 HVAC Relay
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Four Seasons

Four Seasons 37556 HVAC Relay

Brand Four Seasons 37556
Terminal Quantity 4
Connector Gender Male
Terminal Gender Male
Amperage Rating 70
Bracket? W/ bracket
Color Black
Connector Shape Square
Description Relays
Meets / Exceeds OEM? Yes
Style Standard relay
Type Standard
Fits —

OE direct replacement. Meets OEM requirements for dependable relay performance.

Standard relay. Square connector and 4 terminals for straightforward installation.

70-amp rating. Handles demanding electrical loads with confidence.

Cross-references Four Seasons 37556 and A10156 for the same application. See all 2.

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Four Seasons 37556 HVAC Relay

Four Seasons 37556 is a standard HVAC relay built for automotive climate control circuits that need reliable switching performance. This Four Seasons Relay line part uses a 4-terminal, male connector design with a square connector shape and a black finish for straightforward replacement service.

Key Features

  • Standard HVAC relay for heating and air conditioning control circuits
  • 4-terminal, male connector and male terminal layout
  • 70 amp amperage rating for demanding electrical loads
  • Square connector shape with black housing
  • Includes a mounting bracket
  • Meets or exceeds OEM requirements
  • Four Seasons 37556 interchange reference: A10156

Product Details

This HVAC relay is part of the Four Seasons Relay product line, a standard relay series used in automotive electrical and climate control applications. Four Seasons 37556 is built as a direct-style replacement for relay service where consistent circuit control is required. It is a practical choice for HVAC relay replacement on vehicles such as Honda Civic and Toyota Camry applications when the original relay matches this configuration.

This part cross-references A10156 for the same application.

Common Issues It Can Help Resolve

  • Intermittent HVAC blower or compressor relay operation
  • No power delivery to a climate control circuit
  • Relay chatter or inconsistent electrical switching
  • Heat-related relay failure in the HVAC system
  • Electrical contact wear in the relay control path

Installation Notes and Tips

Verify terminal count, connector shape, bracket style, and amperage rating before installation. Match the original relay layout and connector gender to the vehicle’s existing HVAC relay socket for proper fitment. Confirm the replacement location in the vehicle’s relay panel or HVAC control circuit before installation.

Quality Assurance

Four Seasons 37556 is listed as meeting or exceeding OEM requirements, supporting OE-style replacement standards for HVAC relay service.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 37556A10156