DeatschWerks 04-7 Impreza STi Installation guide

Brand: DeatschWerks

Model: 04-7 Impreza STi

Type: Installation guide

DeatschWerks 04-7 Impreza STi is a high-performance fuel pump designed to increase fuel flow and support higher horsepower applications. It features a compact design for easy installation and is compatible with both DW200 and DW300 fuel pumps. The included fuel sock and isolator minimize noise and vibration, ensuring a smooth and quiet operation. Easily prime the fuel pump assembly by cycling the key to the on position. Experience improved fuel delivery and enhanced engine performance with DeatschWerks 04-7 Impreza STi fuel pump.

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

9-201/301-0791

04-7 Impreza STi DW200/300 Fuel Pump

Installation Guide

Parts List:

• DW200/300

• Fuel Hose

• Hose Clamps (x2)

• Fuel Sock

• 6” Electrical Connector

• Fuel Pump Isolator

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

04-7 STi DW200/300 Fuel Pump Install

PLEASE READ – this guide is intended to aid in the installation of our products. It is recommended that

factory manuals or instructions are followed to remove the fuel pump assembly from the vehicle. Some

instructions in this guide are generic. The factory manual should supersede any contradiction.

Below is a picture of suggested tools that will make the installation process easier.

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

1 – remove the fuel sock cover from the base of the assembly

2 – loosen the hose clamps and push them up the hose toward the top, then pull the pump out of the

assembly. Disconnect the electrical connector from the pump

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

3 – prep the DW300 by installing the fuel sock and retainer. Start installation of the retainer by pressing it

on with your thumb, then use a 4-5mm deep socket to press it on the rest of the way

4 – measure and cut the supplied hose, then install it onto the assembly inlet. Slide the new hose clamps

on the hose toward the top of the assembly and install the DW200/300 with the supplied isolator on the

bottom of the pump. The supplied electrical connector is for earlier Impreza models that came with a

different pump connector design. The OE connector can be retained

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

6 – install the top of the fuel sock cover first (white piece)

DeatschWerks

04-7 Impreza STi DW200/300 Fuel Pump Installation Guide

7 – install the bottom of the fuel sock cover (black) by clicking into place

8 – reinstall the assembly into the fuel tank and attach a length of hose to the outlet of the pump

assembly allowing it to drain into a fuel safe container and prime the fuel pump assembly

9 – cycle the key to the on position as many times as required to prime the pump assembly and evacuate

the air introduced during the pump installation process

10 – attach supply line to the outlet of the pump assembly

DeatschWerks 04-7 Impreza STi Installation guide

DeatschWerks 04-7 Impreza STi Installation guide

DeatschWerks 04-7 Impreza STi Installation guide

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