# aFe Diesel Fuel Systems DFS780 Series 2017 GM Diesel 6.6L V8(td) L5P Full Time Operation 8-10PSI

The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe's POWER DFS780 Diesel Fuel System, with its patent-pending design, is capable of removing power-robbing debris such as air, water and other contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure pump, improving throttle response and horsepower at all RPMs.

-   Helical Spur Gears Runs Quieter That Straight Cut Gears
-   Marine Grade Motor Protects Against Dust And Water
-   Clear High Impact Polycarbonate Sight Glass
-   Contoured CNC Manifold Enhances Flow
-   Typical Install Is 2 Hours
-   Fuel Pressure Gauge Port
-   OE Quality Viton Seals
-   Built In The U.S.A.

This Part Fits:

Year

Make

Model

Submodel

2017-2019

Chevrolet

Silverado 2500 HD

High Country

2017-2019

Chevrolet

Silverado 2500 HD

LT

2017-2019

Chevrolet

Silverado 2500 HD

LTZ

2017-2019

Chevrolet

Silverado 2500 HD

WT

2017-2019

Chevrolet

Silverado 3500 HD

High Country

2017-2019

Chevrolet

Silverado 3500 HD

LT

2017-2019

Chevrolet

Silverado 3500 HD

LTZ

2017-2019

Chevrolet

Silverado 3500 HD

WT

2017-2019

GMC

Sierra 2500 HD

Base

2017-2019

GMC

Sierra 2500 HD

Denali

2017-2019

GMC

Sierra 2500 HD

SLE

2017-2019

GMC

Sierra 2500 HD

SLT

2017-2019

GMC

Sierra 3500 HD

Base

2017-2019

GMC

Sierra 3500 HD

Denali

2017-2019

GMC

Sierra 3500 HD

SLE

2017-2019

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 1433.08 CAD
- **Vendor:** aFe
- **Type:** Fuel Air Separators

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1433.08 CAD | In stock |

## Images

- Photo - Primary
- Photo - Unmounted
- User 4
- Photo - Unmounted
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- Photo - Unmounted

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/afe-diesel-fuel-systems-dfs780-series-2017-gm-diesel-6-6l-v8td-l5p-full-time-operation-8-10psi)
> Updated: 2026-07-15