Four Seasons 36128 Engine Cooling Fan Motor Relay

Radiator Fan Controller for OE-Style Cooling Control

Four Seasons Rad Fan Controller 36128 is an engine cooling fan motor relay built for 12-volt systems and rated at 30 amps. It uses a 4-pin male terminal layout, includes a bracket and skirt, and is listed as meeting or exceeding OEM requirements for direct replacement service.

Key Features

• Brand: Four Seasons Rad Fan Controller
• Part number: 36128
• Radiator fan controller / engine cooling fan motor relay
• 12-volt electrical design
• 30 amp amperage rating
• 4-pin male terminal type
• Black cover color
• Bracket and skirt included in the design
• Meets or exceeds OEM specifications

Product Details

This Four Seasons radiator fan controller is used in cooling system circuits that manage electric radiator fan operation. It is a direct-fit relay-style component for vehicles that require a 12V, 30A controller with a 4-terminal male connection. The Four Seasons Rad Fan Controller line focuses on replacement cooling electrical components for service applications where reliable fan control is required. This part cross-references UAC RE1011C for the same application.

Compatible With 1999-2004 Jeep Grand Cherokee, w/o Connector; Rad Fan Controller. Compatible With 1996-2000 Dodge Caravan, Fits vehicles with air conditioning systems.; Rad Fan Controller. Compatible With 1997-1999 Dodge Neon, w/o Connector; Rad Fan Controller. The Four Seasons 36128 application coverage also includes Chrysler, Plymouth, and Dodge models listed in the fitment data.

Common Cooling System Issues It May Address

• Radiator fan not switching on at the correct temperature
• Intermittent electric fan operation
• Cooling fan relay electrical failure
• Overheating caused by poor fan control
• Fan circuit response problems in A/C-equipped vehicles

Installation Notes and Tips

Verify terminal style, connector condition, and mounting location before installation. Some listed applications note use without a connector, while others specify vehicles with air conditioning systems, so confirm the exact vehicle configuration before ordering. Match the 4-pin male terminal layout and 12-volt electrical requirements to the original part number 36128 application.

Quality Assurance

Four Seasons lists this radiator fan controller as meeting or exceeding OEM requirements, making it a service replacement option for cooling fan relay applications. Confirm fitment against the vehicle listing before installation, especially on Jeep Grand Cherokee, Dodge Caravan, and Dodge Neon applications.