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DeatschWerks DW420 Internal Fuel Pump 420 l/h



238,07 €
incl. 19% VAT , plus shipping costs
Status: will be reordered for you**
Order within the next x hours x minutes x seconds and your package will arrive on 13.08.2025 - 21.08.2025

DW420 universal internal fuel pump 420 l/h

Plug and Play internal Motorsport Fuel Pump

DeatschWerks highest-flow 39mm In-tank Pump

Engine: Variable
Capacity: 420 liters per hour
Contents: Compact fuel pump with clamps, with 9-1000 installation kit

Info: Only available as a set with the Combo Installation Kit

E85 Suitability: All DW pumps can be used with E85 and pure ethanol.

DeatschWerks’ Highest-flow 39mm In-tank Pump. 420lph in the same body formfactor as the DW300, DW200, and DW100. The DW420 Features OptimizatED Technology:

  • Optimum impeller blade count and angle have been selected to achieve peak efficiency at the target flow rate
  • Advanced carbon matrix materials are selected for increased durability especially when using high ethanol content fuels
  • Careful engineering of fluid flow within the pump eliminates turbulence and restrictions that can reduce output especially at high flow rates
  • To ensure quiet operation and long bearing life, motor armature is digitally precision balanced
All DeatschWerks fuel pumps undergo a multi-stage performance test to ensure the highest standards. This process, carried out by trained technicians, gives consumers the assurance that they will not buy any off-the-shelf product.
The performance tests include:
- Flow at pressures of 40 psi, 60 psi, 80 psi, 100 psi- Power consumption at each pressure
- PRV activation point
- Check valve function
- Cavitation
- Quality control

DW420 series, 420 l/h compact fuel pump, with mounting clamps, with universal installation kit.


Buy First Hand

We are the main German distributor for DeatschWerks with exclusive sales rights for Germany, Austria and Switzerland. Any Parts made by DeatschWerks can only be sold in these countries either by us or by our dealers. Buy your products first hand and benefit from our excellent support and consultation. Furthermore the short supply chain ensures a quick repair or replacement if needed. As the German distributor we guarantee you, that the product is functioning correctly. In the unlikely case of a malfunction, we send out a free replacement. Malfunctions that are resulting from misuse, improper use, negligence, unauthorized alteration or repair will not be compensated.
We only sell 100 % original products. Buying from us means, you always buy the latest version. No refurbished products and no knock offs that look deceptively like the real product.

Video
Fuel pumps - how to make the right choice?

PDF
Data Sheet
Installation Instructions

Images
Pump vs. Amperage Table

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