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Four Seasons 37517 Engine Cooling Fan Controller
| Brand | Four Seasons 37517 |
|---|---|
| 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 · 7 vehicles |
OE direct replacement. Meets OEM requirements for a straightforward replacement.
Radiator fan controller. Manages cooling fan operation with 12-volt, 30-amp capability.
Pin terminals. Female connectors help simplify electrical hookup.
Cross-references Four Seasons 37517, 1R3Z12B577AA and 11137517 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Radiator Fan Controller for Mustang Cooling Control
Four Seasons 37517 is a 12-volt radiator fan controller built for engine cooling fan relay control in select Ford Mustang applications. It uses a 24-terminal female pin connection and a black housing, with a 30-amp amperage rating and OE-level replacement intent.
The Four Seasons Rad Fan Controller line focuses on direct-fit cooling system electrical control components for radiator fan operation. This part is listed as a radiator fan controller and relay-style component that meets or exceeds OEM requirements for the specified application.
- Fits 1999-2004 Ford Mustang, N/A
- 12-volt radiator fan controller for engine cooling fan relay control
- 24-terminal female pin design for the specified electrical connection
- 30-amp amperage rating for cooling fan circuit control
- Black cover color
- Meets or exceeds OEM requirements
Four Seasons 37517 is used to manage radiator fan relay operation in the cooling system. In Ford Mustang cooling fan controller applications, it helps maintain proper fan command and electrical switching for consistent engine temperature control. This part cross-references Ford OE numbers 1R3Z12B577AA and XR3Z12B577AA for the same application.
Common Cooling System Issues
- Radiator fan not switching on at the correct temperature
- Intermittent fan operation caused by a failed controller relay
- Cooling fan circuit electrical faults tied to worn control components
- Overheating concerns related to fan command loss
- Unstable radiator fan performance in 1999-2004 Ford Mustang models
Installation Notes and Tips
Verify the terminal count, terminal gender, and connector style before installation. Confirm the vehicle uses the listed N/A position application and compare the original controller to Four Seasons 37517 before replacement. Inspect related fan relay wiring, connectors, and fuse protection during diagnosis to avoid repeat failures.
Quality Assurance
Four Seasons lists this radiator fan controller as meeting or exceeding OEM requirements for the specified application. The part number 37517 is also referenced under Four Seasons 37517 for catalog and interchange lookup.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Ford | Mustang | 3.8L | V6 | N/A | Controller Relay; Rad Fan Controller |
| 2004 | Ford | Mustang | 4.6L | V8 | N/A | Controller Relay; Rad Fan Controller |
| 2003 | Ford | Mustang | — | — | N/A | Controller Relay; Rad Fan Controller |
| 2002 | Ford | Mustang | — | — | N/A | Controller Relay; Rad Fan Controller |
| 2001 | Ford | Mustang | — | — | N/A | Controller Relay; Rad Fan Controller |
| 2000 | Ford | Mustang | 3.8L | V6 | N/A | Controller Relay; Rad Fan Controller |
| 1999 | Ford | Mustang | 3.8L | V6 | N/A | Controller Relay; Rad Fan Controller |
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