VDO PM3946 Radiator Cooling Fan Motor

The VDO PM3946 is an application-specific radiator cooling fan motor engineered to replace the original electric motor that drives the engine cooling fan. Built in ISO and TS certified facilities to the same quality standards as motors supplied to global OE automakers, this motor delivers quiet, dependable operation and a long service life. VDO's exclusive Dual Bearing design — utilizing two ball bearings, bearing retainers, and riveted magnets — provides efficient, vibration-free performance that sets the standard for motor design and technology.

Key Features:

• OE-quality construction manufactured and tested to OEM specifications
• Dual Bearing design with two ball bearings and bearing retainers for quieter, more efficient operation
• Precision assembled and balanced with all-new components for vibration-free operation
• Flange-mounted design for straightforward, OE-style installation right out of the box
• 12-volt, plug-in motor with a single 2-terminal male blade connector
• Counterclockwise (left) shaft rotation; shaft diameter 8.00 mm, shaft length 0.812 in
• Motor diameter 2.750 in, motor length 4.125 in; mounting bolt pattern length 3.312 in
• Fixed (non-adjustable) speed; no external fan blade included

Every VDO part number is application-specific to ensure proper fit, form, and function — making installation straightforward for professional technicians and DIYers alike. Fits select 2002–2011 Honda and Acura models.