Hayden Engine Cooling Fan-Universal P/N:3900
Pull cooling air through the radiator with the Hayden 12 in. electric cooling fan, part number 3910, a universal-fit puller fan that Hayden engineers and tests to take the heat. It fits many vehicles, among them the 1975-2003 Ford F-150 4.2L / 4.6L / 4.9L / 5.0L / 5.4L / 5.8L / 5.9L, 1994-2003 Dodge Ram 1500 3.7L / 3.9L / 4.7L and 1983-2003 Ford Mustang 2.3L / 3.8L / 4.6L / 5.0L. See the Buyer's Guide tab for the full list.
Hayden backs this 12-volt fan with more than 45 years of automotive cooling experience and builds it to meet or surpass O.E. design and performance.
An electric cooling fan moves air across the radiator core when vehicle speed alone does not supply enough airflow, such as at idle or in slow traffic.
Country of origin: Italy.
Interchange: 733910 · 37138 · 993910 · 2811950 · A90791 · 30101504 · VA10AP50C25A · T2031
This part cross-references / interchanges with the following part numbers:
Does the Hayden 3910 fit a 1975-2003 Ford F-150 4.2L / 4.6L / 4.9L / 5.0L / 5.4L / 5.8L / 5.9L?
Yes. It is also listed for the 1983-2003 Ford Mustang 2.3L / 3.8L / 4.6L / 5.0L, among many other vehicles. Check the Buyer's Guide tab for your exact engine.
Is this a puller or a pusher fan?
It is a puller only. The 12-inch fan is designed to pull air through the radiator and is not intended for pusher use.
How much airflow and current does the fan use?
Its high ratings are 1325 CFM in free air and 1130 CFM when radiator-mounted. It has a high amp draw of 12.1 A on a 12-volt system.
What comes in the box?
The box holds one 12-inch black electric fan of plastic construction, with mounting hardware included. It connects through a blade-type connector.
What are signs a cooling fan may need replacing?
Signs include a fan that does not run, runs noisily or wobbles, or engine temperature that rises at idle or in traffic. Diagnose the cause first, because sensors, relays or wiring can also be at fault.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.