High-quality replacement fan blades and fan shrouds for your Peterbilt 379 help keep your engine cool with consistent airflow under high pressure driving conditions.
A properly-functioning fan blade and fan shroud are essential parts of your cooling system. If your Peterbilt 379 fan blade is cracked, unbalanced, or your fan shroud is warped or missing, it's time for a replacement.
We carry a full line of high-quality, direct-fit Peterbilt 379 fan shrouds and fan blades designed to boost airflow, reduce engine temps, and keep your truck running strong in all conditions.
How do Aftermarket Fan Blades & Shrouds Work?
The Fan Blade pulls air through the radiator and charge air cooler (CAC), helping to cool the engine coolant and compressed intake air. It's essential at low speeds or while idling when there's not enough natural airflow.
The Fan Shroud surrounds the fan and directs airflow through the radiator core instead of letting it escape around the edges. This increases cooling efficiency and improves low-speed performance.
Together, these components create a focused, high-pressure airflow system that keeps your
Peterbilt engine performing within safe temperatures.
Why Aftermarket Semi Truck Fan Blades, Shrouds Matter?
If you ve noticed symptoms like your Peterbilt 379 engine fan not working, rising engine temps, reduced AC performance, or odd noises under the hood, your fan blade or radiator fan shroud might be to blame.
Damage to these parts can result in:
- Reduced airflow and overheating
- Poor fuel economy due to excessive engine load
- Loss of power or efficiency
- Fan blades hitting the shroud (causing vibration or damage)
- Imbalanced fan operation and premature failure
Here are the Benefits of Choosing Our Aftermarket Parts
- Better Cooling Efficiency: Maximize airflow through your
Peterbilt radiator and CAC with a properly sealed and fitted Peterbilt 379 fan shroud.
- Improved Engine Performance: A properly cooled engine runs smoother, burns fuel more efficiently, and delivers better torque.
- Heavy-Duty Durability: Our Peterbilt 379 fan blades are built to handle high RPMs, vibration, and thermal stress.
- Direct Fit Options: Designed to match OE specs for a straightforward install no modifications required.
- Trusted Brands: We stock top names like BESTfit, engineered for reliability in high-heat, high-mileage applications.
Don t Forget About Supporting Replacement Parts
For a complete cooling system upgrade, check the functionality of your:
- Peterbilt 379 fan clutch: regulates when the fan engages to manage engine temp.
- Peterbilt 379 fan motor: especially important if you have an electric fan setup.
- Air conditioning idler pulley: maintains belt routing and tension for systems tied to AC and cooling.
- Tensioner assembly: keeps the belt tight to prevent slippage on the fan clutch.
These components all work together to ensure your fan spins at the right speed, at the right time, to protect your engine and optimize performance. Ignoring fan system issues can lead to overheating, costly breakdowns, or damage to other cooling components. If your fan is showing signs of wear vibration, noise, cracked blades, warped shrouds it's time to swap it out.
Shop aftermarket Peterbilt 379 fan blades and fan shrouds now and get your semi truck's cooling system back in top shape. Keep your engine protected, your cab cool, and your truck rolling.
