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Engine cooling fan blades for your Dodge Ram 3500 start at $31.95, and we stock 13 options from GPD, SKP, and Dorman. The fan blade draws air through the radiator to prevent overheating at low speeds and idle. A cracked, missing, or unbalanced blade reduces airflow, causing the engine to run hot and risking serious damage.
The most important factors are blade count, diameter, and whether your Dodge Ram 3500 uses a mechanical (belt-driven) or electric fan assembly. Pitch angle and number of blades directly affect airflow volume and noise level, so matching OE specifications keeps cooling performance and clearances correct. Confirm the part fits your specific engine and shroud configuration before ordering.
| Option | Best for | What you get |
|---|---|---|
| OE-Replacement (exact fit) | Drivers who want factory performance and guaranteed fitment | Matches original blade count, diameter, and pitch; drops in without shroud modifications |
| Thermal (Flex) Fan Blade | Vehicles with mechanical clutch fans; fuel-efficiency priority | Blade pitch flattens at highway speed to reduce parasitic drag and engine noise |
| Severe-Duty / High-Pitch Blade | Towing, off-road, or vehicles that frequently overheat | Steeper pitch angle moves more air at low RPM; heavier-duty material resists cracking under load |
| Reverse-Rotation Blade | Engines where the fan sits behind the radiator or uses a reverse-rotation accessory drive | Engineered to pull air in the correct direction; using a standard blade in reverse creates dangerously low airflow |
On a mechanical fan, the blade typically unbolts from the fan clutch hub using a set of bolts arranged in a circle; hold the clutch steady with a strap wrench while breaking them loose. Transfer any spacers or balance weights from the old blade to the new one, then torque the fasteners evenly in a cross pattern to the specification listed in your service manual. On electric fan assemblies, the blade usually snaps or bolts onto the motor shaft — disconnect the battery first, remove the shroud if needed for clearance, and confirm the blade spins freely without contacting the shroud before reinstalling everything.