Dorman 621-434 radiator fan for the 2007 Mazda CX-9 V6 3.5L and the 2008-2015 CX-9 V6 3.7L pulls air through the radiator to help cool the engine. This cooling fan assembly pairs two fans with a controller and is designed with the same materials and components as the original part.
- Dorman OE Solutions line unit with two fans and a controller
- Brushed motors, tested in laboratory settings for performance
- Plastic fan blades and a plastic shroud
- Male connector with 3 terminals
Quick facts
- Part: Dorman 621-434 radiator fan
- Also called: cooling fan assembly
- Fits: 2007 Mazda CX-9 V6 3.5L and the 2008-2015 CX-9 V6 3.7L
- Material: Plastic fan blades and shroud
- Condition: New
Overheating at idle or in slow traffic, or a fan that never turns on, can be signs of a worn radiator fan. A stuck thermostat, for one, can also run an engine hot, so these signs alone do not prove the fan is at fault.
Fits
It is a direct-fit replacement for the 2007 Mazda CX-9 V6 3.5L and the 2008-2015 Mazda CX-9 V6 3.7L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Number of fans: 2
- Connector: male, 3 terminals
Build and materials
- Type: dual fan assembly with controller
- Motor type: brushed
- Blade material: plastic
- Shroud: included, plastic
- Condition: New
- Country of origin: Taiwan
In the box
One radiator fan assembly, shroud included. That single assembly is all the vehicle takes.
Interchange: 76321 · CA2615025 · CY0115025E · CY0115025F · L33E1515Y · 622880
This part cross-references / interchanges with the following part numbers:
76321, CA2615025, CY0115025E, CY0115025F, L33E1515Y, 622880
Frequently Asked Questions
Is this Dorman cooling fan right for the 2008-2015 Mazda CX-9 V6 3.7L?
Yes. Dorman 621-434 is a direct-fit radiator fan for the 2008-2015 Mazda CX-9 V6 3.7L, and the 2007 CX-9 V6 3.5L takes it too.
Do Dorman fans like the 621-434 come with a shroud?
Yes. Dorman 621-434 comes as one radiator fan assembly with the plastic shroud included.
Is this a single or dual radiator fan?
This radiator fan is a dual unit with two fans and a controller. The motors are brushed and the fan blades are plastic.
Can a bad radiator fan make an engine run hot in traffic?
Yes, it can. If the fans do not turn on as the engine heats up, it can run hot at a stop or in slow traffic. A shop can test the fans and controller.
Does the Dorman 621-434 cross-reference to number CY0115025E?
Yes. CY0115025E is among the numbers this Dorman 621-434 radiator fan replaces.
