Four Seasons
Rad Fan Controller

Four Seasons 37515 Engine Cooling Fan Controller

Brand Four Seasons 37515
Amperage Rating 30
Bracket? No
Cover Color Black
Description Relays
Meets / Exceeds OEM? Yes
Style Radiator Fan Controller
Terminal Gender Female
Terminal Quantity 24
Terminal Type Pin
Type Radiator Fan Controller
Voltage 12
Product line Rad Fan Controller
Fits Ford and Mercury · 11 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable cooling control.

Radiator fan controller. Manages fan operation with a 12-volt, 30-amp design.

Pin terminals. Female terminals provide a secure electrical connection.

Cross-references Febi-Bilstein 37515, 3S4Z12B577BA and 8CZ12B577BA for the same application. See all 8.

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Four Seasons Rad Fan Controller 37515

Four Seasons 37515 is a 12-volt radiator fan controller built for engine cooling fan relay control in select Ford and Mercury applications. It meets or exceeds OEM requirements and uses a 24-terminal female pin layout with a black cover and 30-amp amperage rating.

The Four Seasons Rad Fan Controller line focuses on direct-fit cooling control components for vehicles that rely on accurate fan relay operation. This part number, 37515, is a radiator fan controller designed for the cooling system used in 1998-2002 Ford Escort and 1998-1999 Mercury Tracer models.

Key Features

  • Radiator fan controller for engine cooling fan relay operation
  • 12-volt electrical design
  • 30-amp amperage rating
  • 24-terminal female pin connection
  • Black cover color
  • Meets or exceeds OEM specifications
  • Direct application coverage for Ford Escort and Mercury Tracer

Application Details

Fits 1998-2002 Ford Escort, N/A; Controller Relay; Unleaded Fuel; Rad Fan Controller. Fits 1998-1999 Mercury Tracer, N/A; Controller Relay; Unleaded Fuel; Rad Fan Controller. This part cross-references Febi-Bilstein 37515 for the same application.

What It Helps Address

  • Cooling fan relay faults that prevent proper fan activation
  • Intermittent radiator fan operation
  • Overheating caused by poor fan control
  • Electrical connection issues at the fan controller interface
  • OEM-style replacement needs for Ford Escort and Mercury Tracer cooling systems

Installation Notes

Verify terminal count, terminal gender, and connector style before installation. Confirm the vehicle uses a 12-volt radiator fan controller with a 30-amp rating and the listed application notes. Match the part number 37515 to the original unit and inspect the cooling fan circuit for related relay or wiring concerns during service.

Quality Assurance

Four Seasons lists this radiator fan controller as meeting or exceeding OEM requirements, supporting a replacement choice for cooling system electrical repair on the specified Ford and Mercury models.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2002FordEscortSE2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
2001FordEscortSE2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
2000FordEscortLX2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1999FordEscortSE2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1999FordEscortLX2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1999FordEscortSE Equi2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1999MercuryTracer———N/AController Relay; Unleaded Fuel; Rad Fan Controller
1998FordEscortSE2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1998FordEscortLX2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1998FordEscortSE Equi2.0LL4N/AController Relay; Unleaded Fuel; Rad Fan Controller
1998MercuryTracer———N/AController Relay; Unleaded Fuel; Rad Fan Controller
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Febi-Bilstein — 375153S4Z12B577BA8CZ12B577BA11137515A77209F8CZ12B577BAF8CZ12B577BBF8CZ12B577BC