Four Seasons 46144 Engine Cooling Fan Clutch

Severe Duty Thermal Fan Clutch for GM Vans

Four Seasons Fan Clutch 46144 is a severe duty thermal engine cooling fan clutch built for select Chevrolet Express and GMC Savana vans. It uses thermal engagement to help regulate fan speed based on operating temperature, supporting consistent cooling performance in demanding service conditions.

Key Features

• Thermal clutch type for temperature-responsive fan engagement
• Severe duty style for demanding cooling system applications
• Overall diameter: 7.2 in. / 196.3 mm
• Overall height: 3.88 in. / 98.6 mm
• Fan bolt circle: 3.25 in.
• Four-bolt fan mounting pattern with 1 bolt hole and 1 mounting hole
• Cross-references Anchor 2983 for the same application

Detailed Description

Four Seasons 46144 is part of the Fan Clutch line, a product line focused on engine cooling fan control for vehicle-specific applications. This thermal fan clutch is engineered for severe duty use and is listed for 2021-2024 Chevrolet Express 2500 and Express 3500, as well as 2021-2024 GMC Savana 2500 and Savana 3500. It is also listed for 2018-2020 Chevrolet Express 2500 and Express 3500 and 2018-2020 GMC Savana 2500 and Savana 3500 with high performance reverse rotation engine cooling fan clutch notes. If you are searching for a Four Seasons 46144 fan clutch for Chevrolet Express 2500 or GMC Savana 3500 cooling system service, this part matches the documented fitment and dimensions.

What It Helps Address

• Cooling fan engagement that is delayed or inconsistent
• Excessive fan noise from a worn thermal clutch
• Engine temperature control concerns under load or in severe duty use
• Reduced cooling performance in Chevrolet Express and GMC Savana vans
• Replacement needs for a worn or failing engine cooling fan clutch

Installation Notes and Tips

Verify the fan bolt circle, overall diameter, and mounting pattern before installation. Confirm whether the vehicle uses the standard thermal fan clutch application or the reverse rotation configuration noted for 2018-2020 models. Always compare the original part number, mounting layout, and cooling fan orientation to the vehicle service information before replacement.

Quality Assurance

Four Seasons 46144 is a thermal severe duty fan clutch built for documented GM van applications and supported by published interchange references, including Anchor 2983. Confirmed fitment includes 2021-2024 Chevrolet Express 2500, 2021-2024 Chevrolet Express 3500, 2021-2024 GMC Savana 2500, and 2021-2024 GMC Savana 3500, along with the listed 2018-2020 applications.