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DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
Community Media
DeatschWerks DW300 Series Fuel Pump w/ Install Kit (Part Number: )
DeatschWerks DW300 Series Fuel Pump w/ Install Kit
Subaru Models (inc. 2002-2007 WRX/STi)
Read 11 Reviews | 34 Q&As
Part # 9-301-0791
msrp: $169.00

In stock! Ships same day

Features & Product Details

RallySport Direct proudly offers a great selection of fuel system upgrades, components, and accessories brought toy ou by DeatschWerks.

Here, you are looking at the DeatschWerks DW300 Fuel Pump. Once you start adding go-fast performance products that increase power, torque, and boost, then you have to start upgrading your fuel system to supplement the fuel flow needed for such modifications. 

This fuel pump is compatible with many fuels including E-85 and will come provided with a filter kit making it ready for the installation. 



  • E85 friendly 
  • Direct replacement for your OEM unit
  • 300 LPH
  • High torque 
  • High flow
  • Includes Filter Kit
  • Includes grommet, hose, clamps, and filter
  • Specifications

    Brand: DeatschWerks
    Adjustable: No
    Fuel Flow: 320lph
    Install Kit Included: Yes
    Mfgr. Warranty: 3 Years
    Condition: New Product
    Return Policy:

    RallySport Guarantee - 30 Days

    Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

    RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

    The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
    RallySport Guarantee



    11 Reviews
    4.9 out of 5 Stars
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    Customer Photos and Videos
    DeatschWerks DW300 Series Fuel Pump w/ Install Kit ( Part Number: 9-301-0791)
    Great product 5 months ago
    5out of 5stars

    Used this unit to replace the stock pump in my 2002 WRX (EJ205, 270HP). The stock unit had 220k mi on it, so the DW pump definitely makes startups easier and throttle application is smoother. Installation is easy, though the fitment is a bit tight. This pump is about 1/4-1/2 in. taller than the stock unit.
    Was this review helpful?
    Great for all your fueling needs 1 year ago
    5out of 5stars

    Little louder than stock when it's primed, but with the noise the car makes while it runs, you can't tell the pump is even running.
    Was this review helpful?
    DeatschWerks DW300 Series Fuel Pump  1 year ago
    5out of 5stars

    Easy install, no problems.
    Was this review helpful?
    DeatschWerks DW300 1 year ago
    5out of 5stars

    Great product, easy install.
    Was this review helpful?
    2004 Subaru Impreza Wrx STi 3 years ago
    5out of 5stars

    Bought this fuel pump so I can upgrade my injectors for more power to later go to E85. The fuel pump went in just like it was suppose to with no problems.
    Was this review helpful?


    • Q: Good for power goal and injectors  Nelson Asay2 months ago

      Hi. So I actually have 2 questions, I have a power goal hitting between 375-400whp. Would this fuel pump be good enough to flow and maintain that kind of power, also I am getting ID 1300cc fuel injectors. Will this pump work fine this those as well? Thanks in advance RSD!
    • Q: Universal or year specific?  Elijah3 months ago

      is this pump a "universal fit" or specifically for 2002-2007 wrx/sti's?
    • Q: Good pick for EJ207 swap?  W. Seisenbacher5 months ago

      I am debating between this and the 255lph pump for my planned EJ207V8 swap. Would this flow enough for an EJ207V8 with these mods: 8mm phenolic spacers VF37 turbo @21psi Tomei Expreme Twin Scroll Headers ACT Streetlite Flywheel Aiming for ~350AWHP
    • Q: Non turbo 2.5i  Yaboyrumble10 months ago

      Would the dw300 work fine on my na 2.5i or would 255 be better??
      • 0 of 0 people found the following answer helpful

        A:  Unfortunately, we have it as a universal fitments so we have no confirmed fitment for your car, however, these pumps are meant for turbo charged vehicles pushing big power. This would give you far more fuel than you would ever use.

        Devan M. @ RallySport Direct 10 months ago  
        Was this answer helpful?
      • 0 of 0 people found the following answer helpful

        A:  I have the AEM 340lph pump on my NA 06 2.5i, works just fine. Open loop runs a little bit rich but the ECU compensates for up to +/-40% air and fuel. No tune yet, but runs better than the OEM fuel pump in my opinion. You can do a bigger pump with OEM injectors without an issue. The amount of fuel that will enter the cylinders depends on the size of the injectors, not the pump, but big injectors with a small fuel pump will burn up the pump. Too big fuel injectors and pump with too little air will cause saturation of the cylinders and vice versa.

        Zack M @
        Was this answer helpful?

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