DeatschWerks 9-401-7040 DW400 415lph 40psi Fuel Pump for 01-05 Civic/Acura RSX

Vehicle Fitment

• 2002-2006 Acura RSX
• 2001-2005 Honda Civic DX
• 2001-2005 Honda Civic EX
• 2001-2005 Honda Civic HX
• 2001-2005 Honda Civic LX
• 2002-2005 Honda Civic Si
• 2003-2005 Honda Civic Hybrid

Fitment Notes

• 7th Gen Civic platform
• In-tank drop-in module

Features

• DW400 electric fuel pump
• In-tank drop-in design
• Gas and ethanol compatible
• Includes pressure regulator
• Includes sending unit
• Includes gasket

Specifications

• Flow rate: 109 gph / 415 lph
• Fuel pressure: 40 psi
• Voltage: 12V
• Inlet: Stock size, 1x
• Outlet: Stock size, 1x
• Wiring harness: Not included
• Mounting hardware: Not included

Included Components

• 1x DW400 Fuel Pump
• 1x Pressure Regulator
• 1x Sending Unit
• 1x Gasket

Product Description

The DeatschWerks 9-401-7040 is a DW400 in-tank electric fuel pump module built as a direct drop-in for the 7th Gen 2001-2005 Honda Civic and 2002-2006 Acura RSX. Rated at 109 gph (415 lph) with 40 psi of fuel pressure, the DW400 supports significantly higher power levels than the factory pump while running on both gasoline and ethanol blends.

The module ships as a complete drop-in unit, including a pressure regulator, sending unit, and gasket for a straightforward swap using the factory tank opening and mounting points. Wiring harness and mounting hardware are not included, so plan accordingly if your existing harness needs modification for the higher-flow pump.

A strong choice for turbocharged or heavily modified Civic and RSX builds that have outgrown the factory fuel pump's supply capacity, keeping fuel delivery consistent under sustained boost.