What is the purpose of the DFS780 Fuel System Cold Weather Kit?

This kit warms your diesel fuel using your engine's coolant. This prevents the fuel from gelling up in freezing temperatures, ensuring your diesel engine can start and run smoothly in cold weather.

What is included in the kit?

The kit includes the necessary components to plumb into your engine's cooling system for fuel warming. The heater hose that connects the coolant spacer to the cooling system is not included.

Does this kit require any special tools for installation?

While specific tool requirements are not detailed, installation involves plumbing into the engine's cooling system. Refer to the manufacturer's installation instructions for a complete tool list and procedure.

aFe DFS780 Fuel System Cold Weather Kit (Fits DFS780 / DFS780 PRO)

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aFe

Specifications

Brand: aFe
Part #: 42-90001
UPC: 802959420140

aFe

aFe DFS780 Fuel System Cold Weather Kit (Fits DFS780 / DFS780 PRO)

Name: aFe DFS780 Fuel System Cold Weather Kit (Fits DFS780 / DFS780 PRO)
Brand: aFe
Price: 199.33 USD
Availability: InStock

$199.33

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

This kit warms your diesel fuel using engine coolant to prevent gelling in freezing temperatures. Fits aFe DFS780 and DFS780 PRO systems.

Key Features

Warms diesel fuel using engine coolant — prevents gelling in cold weather.
Designed for aFe DFS780 and DFS780 PRO diesel fuel systems.
Easy plumbing into your engine's cooling system.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Product Details

Make sure your diesel is prepared to perform in the coldest conditions with aFe's DFS780 Fuel System Cold Weather Kit. The kit works with DFS780 and DFS780 PRO diesel fuel systems and easily plumbs into your engine's cooling system to warm the fuel to keep it from gelling in freezing temperatures. Heater hose not included. Note: The Heater Hose connecting the coolant spacer to the cooling system is not included but can be easily sourced.