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Four Seasons 37504 Engine Cooling Fan Motor Relay
| Brand | Four Seasons 37504 |
|---|---|
| Amperage Rating | 30 |
| Bracket? | w/ Bracket |
| Cover Color | Black |
| Description | Relays |
| Meets / Exceeds OEM? | Yes |
| Style | Radiator Fan Controller |
| Terminal Gender | Male |
| Terminal Quantity | 10 |
| Terminal Type | Blade |
| Type | Radiator Fan Controller |
| Voltage | 12 |
| Product line | Rad Fan Controller |
| Fits | Ford and Mercury · 19 vehicles |
OE direct replacement. Meets OEM requirements for a straightforward swap.
Radiator fan controller. Manages cooling fan operation with a 12-volt design.
Blade terminals. 10-terminal layout with a bracket for secure mounting.
Cross-references AMS Automotive 4756, Anchor 2885 and BBB Industries 42103 for the same application. See all 30.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Radiator Fan Controller for Ford and Mercury
Four Seasons 37504 is a radiator fan controller relay for 12-volt cooling systems. It uses a 10-terminal male blade connection, a black cover, and an included bracket to support a direct replacement on select Ford and Mercury applications.
Key Features
- Radiator fan controller relay for engine cooling fan motor circuits
- 12-volt electrical design with 30-amp amperage rating
- 10 blade terminals, male terminal gender
- Black cover with bracket-mounted design
- Meets or exceeds OEM requirements
- Four Seasons Rad Fan Controller line
Product Details
The Four Seasons Rad Fan Controller line focuses on replacement cooling-system relays built for specific vehicle electrical layouts. Part number 37504 is used in applications where the radiator fan controller manages fan operation for air-conditioned vehicles and related emissions configurations. This part cross-references Gates 19857 for the same application. Four Seasons 37504 is a direct-fit cooling relay solution for select Ford Tempo, Ford Escort, Mercury Topaz, and Mercury Lynx models.
Vehicle Fitment
- Fits 1987-1988 Ford Tempo, N/A, Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller
- Fits 1987-1988 Mercury Topaz, N/A, Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller
- Fits 1986-1987 Ford Escort, N/A, Controller Relay; w/ AC; Rad Fan Controller
- Fits 1985-1987 Mercury Lynx, N/A, w/ AC; Rad Fan Controller
- Fits 1984-1986 Ford Tempo, N/A, Controller Relay; Rad Fan Controller
- Fits 1984-1986 Mercury Topaz, N/A, Controller Relay; Rad Fan Controller
- Fits 1985 Ford Escort, N/A, w/ AC; Rad Fan Controller
- Fits 1984 Ford Escort, N/A, w/ High Output Engine; Rad Fan Controller
- Fits 1984 Mercury Lynx, N/A, w/ Factory Installed AC; Rad Fan Controller
- Fits 1984 Mercury Topaz, N/A, Compatible with vehicles equipped with air conditioning.; Rad Fan Controller
Installation Notes and Tips
Verify the terminal layout, bracket style, and 12-volt electrical specification before installation. Confirm the vehicle’s cooling fan relay location and match the application notes for air conditioning, federal emissions, or high-output engine configurations on Ford Escort, Ford Tempo, Mercury Topaz, and Mercury Lynx models.
Quality Assurance
Four Seasons identifies this part as meeting or exceeding OEM requirements. Use the confirmed fitment notes to match the correct radiator fan controller for the vehicle’s cooling system and electrical connector style.
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1988 | Ford | Tempo | — | — | — | — | N/A | Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller |
| 1988 | Mercury | Topaz | — | — | — | — | N/A | Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller |
| 1987 | Ford | Escort | — | 2.0L | L4 | — | N/A | Controller Relay; w/ AC; Rad Fan Controller |
| 1987 | Ford | Tempo | — | — | — | — | N/A | Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller |
| 1987 | Mercury | Lynx | — | 2.0L | L4 | DIESEL | N/A | w/ AC; Rad Fan Controller |
| 1987 | Mercury | Topaz | — | — | — | — | N/A | Controller Relay; Federal Emissions; w/ AC; Rad Fan Controller |
| 1986 | Ford | Escort | — | 2.0L | L4 | — | N/A | Controller Relay; w/ AC; Rad Fan Controller |
| 1986 | Ford | Tempo | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
| 1986 | Mercury | Lynx | — | 2.0L | L4 | DIESEL | N/A | w/ AC; Rad Fan Controller |
| 1986 | Mercury | Topaz | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
| 1985 | Ford | Escort | — | 2.0L | L4 | — | N/A | w/ AC; Rad Fan Controller |
| 1985 | Ford | Tempo | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
| 1985 | Mercury | Lynx | — | 2.0L | L4 | DIESEL | N/A | w/ AC; Rad Fan Controller |
| 1985 | Mercury | Topaz | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
| 1984 | Ford | Escort | — | — | — | — | N/A | w/ High Output Engine; Rad Fan Controller |
| 1984 | Ford | Tempo | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
| 1984 | Mercury | Lynx | Manual | 1.6L | L4 | — | N/A | w/ Factory Installed AC; Rad Fan Controller |
| 1984 | Mercury | Topaz | — | 2.0L | L4 | — | N/A | Compatible with vehicles equipped with air conditioning.; Rad Fan Controller |
| 1984 | Mercury | Topaz | — | 2.3L | L4 | — | N/A | Controller Relay; Rad Fan Controller |
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