Dorman - OE Solutions Engine Cooling Fan Assembly P/N:620-659
Dorman 620-975 radiator fan for the 2006-2008 Buick Lucerne V6 3.8L, the 2006-2011 Lucerne V8 4.6L, the 2009-2011 Lucerne V6 3.9L and other vehicles pulls air through the radiator to help cool the engine. This cooling fan assembly has two fans on one shroud and no controller. It is designed to match the fit and performance of the stock fan.
Overheating at idle, a fan that stays still or a noisy motor can mean this fan is worn, though a fan relay or a blown fuse can be behind the same signs, so find the cause before replacing it. Each vehicle takes one assembly, which carries both fans.
It is a direct-fit replacement for the 2006-2008 Buick Lucerne V6 3.8L, the 2006-2011 Lucerne V8 4.6L, the 2009-2011 Lucerne V6 3.9L and the 2006-2010 Cadillac DTS V8 4.6L.
Fit and size
Build and materials
One radiator fan (dual fan) with its shroud. A controller is not included.
Interchange: 15-80639
76020 · 21999691 · 21999768 · 21999769 · 21999770 · 2811602 · FA70323 · CF12069 · 621440
This part cross-references / interchanges with the following part numbers:
Is this Dorman radiator fan right for the 2006-2011 Buick Lucerne V8 4.6L?
Yes. Dorman 620-975 fits the 2006-2011 Buick Lucerne V8 4.6L, and it also fits the 2006-2010 Cadillac DTS V8 4.6L.
Does this Dorman cooling fan come with a shroud?
Yes. Dorman 620-975 is one dual fan assembly with a black plastic shroud; a controller is not included.
Are Dorman fans of this type brushed or brushless?
Brushed. The motors in this dual fan assembly are brushed, and the blades are plastic.
How can I tell if this radiator fan is wearing out?
Overheating at idle, a fan that does not spin or a noisy motor can mean wear. With the engine off and cool, you can look for cracked blades or a damaged shroud; a shop can test the motors.
How many connectors does this dual radiator fan have?
Two male connectors, with a terminal quantity of two. The assembly has no controller.
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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.