DeatschWerks DW420 Series 420 LPH In-Tank Fuel Pump with Install Kit, DWK9-421-0791

DW420 series, 420lph in-tank fuel pump w/ install kit for Forester 97-07, Impreza (including WRX and STI) 93-07 and Legacy GT 90-99 and 05-07

Upgrade fuel delivery in select Subaru applications with the DeatschWerks DW420 Series 420 LPH in-tank fuel pump and installation kit. Designed for high-performance fuel systems, this automotive fuel pump provides increased flow capacity for vehicles requiring more fuel than a standard replacement pump can deliver. The included installation components support a practical, application-focused upgrade for compatible Subaru Forester, Impreza, WRX, STI, and Legacy models.

Part number DWK9-421-0791 is engineered for in-tank installation and is intended for use with compatible gasoline fuel systems. Its high-flow design helps maintain consistent fuel supply under demanding operating conditions, making it suitable for performance builds and modified applications when properly matched to the vehicle’s fuel system, engine requirements, wiring, and fuel pressure regulator. Verify pump compatibility and system requirements before installation.

Fitment: Intended for Subaru Forester model years 1997–2007, Subaru Impreza including WRX and STI model years 1993–2007, and Subaru Legacy GT model years 1990–1999 and 2005–2007. Exact compatibility may vary by trim, engine, fuel system configuration, and market. This product is not CARB approved, and a required emissions acknowledgement may apply. Professional installation is recommended, and all fuel-system work should be performed using proper safety procedures.

The DeatschWerks DW420 Series pump is supplied as a complete pump-and-install-kit solution for qualifying applications. Confirm the vehicle’s existing fuel pump configuration, electrical requirements, and fuel compatibility before ordering. DeatschWerks part number DWK9-421-0791 identifies this specific pump and kit combination.

Features:

• High-flow fuel delivery: Provides up to 420 liters per hour for performance-oriented fuel systems.
• In-tank design: Installs inside the fuel tank on compatible Subaru applications.
• Application coverage: Designed for select Subaru Forester, Impreza, WRX, STI, and Legacy GT models.
• Installation-ready package: Includes an installation kit to support replacement or upgrade installation.

Fitments:
1990 Subaru Legacy Base
1990 Subaru Legacy L
1990 Subaru Legacy LS
1991 Subaru Legacy L
1991 Subaru Legacy LS
1991 Subaru Legacy LSi
1991 Subaru Legacy Sport
1992 Subaru Legacy L
1992 Subaru Legacy LS
1992 Subaru Legacy LSi
1992 Subaru Legacy Sport
1993 Subaru Impreza Base
1993 Subaru Impreza L
1993 Subaru Impreza LS
1993 Subaru Legacy L
1993 Subaru Legacy LS
1993 Subaru Legacy LSi
1993 Subaru Legacy Sport
1994 Subaru Impreza Base
1994 Subaru Impreza L
1994 Subaru Impreza LS
1994 Subaru Legacy Alpine Sport
1994 Subaru Legacy GT
1994 Subaru Legacy L
1994 Subaru Legacy LS
1994 Subaru Legacy LSi
1994 Subaru Legacy Outdoor
1994 Subaru Legacy Sport
1994 Subaru Legacy Sun Sport
1994 Subaru Legacy Touring
1995 Subaru Impreza Base
1995 Subaru Impreza L
1995 Subaru Impreza LX
1995 Subaru Impreza Outback
1995 Subaru Legacy Base
1995 Subaru Legacy Brighton
1995 Subaru Legacy L
1995 Subaru Legacy LS
1995 Subaru Legacy LSi
1995 Subaru Legacy Outback
1995 Subaru Legacy Postal
1996 Subaru Impreza Brighton
1996 Subaru Impreza L
1996 Subaru Impreza LX
1996 Subaru Impreza Outback
1996 Subaru Legacy Brighton
1996 Subaru Legacy GT
1996 Subaru Legacy L
1996 Subaru Legacy LS
1996 Subaru Legacy LSi
1996 Subaru Legacy Outback
1996 Subaru Legacy Postal
1997 Subaru Impreza Brighton
1997 Subaru Impreza L
1997 Subaru Impreza Outback
1997 Subaru Legacy Brighton
1997 Subaru Legacy GT
1997 Subaru Legacy L
1997 Subaru Legacy LSi
1997 Subaru Legacy Outback
1997 Subaru Legacy Outback Limited
1997 Subaru Legacy Postal
1998 Subaru Forester Base
1998 Subaru Forester L
1998 Subaru Forester S
1998 Subaru Impreza L
1998 Subaru Impreza Outback
1998 Subaru Impreza RS
1998 Subaru Legacy Brighton
1998 Subaru Legacy GT
1998 Subaru Legacy GT Limited
1998 Subaru Legacy L
1998 Subaru Legacy Outback
1998 Subaru Legacy Postal
1999 Subaru Forester Base
1999 Subaru Forester L
1999 Subaru Forester S
1999 Subaru Impreza L
1999 Subaru Impreza Outback
1999 Subaru Impreza RS
1999 Subaru Legacy Brighton
1999 Subaru Legacy GT
1999 Subaru Legacy L
1999 Subaru Legacy L 30th Anniversary
1999 Subaru Legacy Limited 30th Anniversary
1999 Subaru Legacy Outback
1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2000 Subaru Forester Base
2000 Subaru Forester L
2000 Subaru Forester S
2000 Subaru Impreza L
2000 Subaru Impreza Outback
2000 Subaru Impreza RS
2001 Subaru Forester Base
2001 Subaru Forester L
2001 Subaru Forester S
2001 Subaru Impreza L
2001 Subaru Impreza Outback
2001 Subaru Impreza RS
2002 Subaru Forester Base
2002 Subaru Forester L
2002 Subaru Forester S
2002 Subaru Impreza Outback
2002 Subaru Impreza RS
2002 Subaru Impreza TS
2002 Subaru Impreza WRX
2003 Subaru Forester X
2003 Subaru Forester XS
2003 Subaru Impreza Outback
2003 Subaru Impreza RS
2003 Subaru Impreza TS
2003 Subaru Impreza WRX
2004 Subaru Forester X
2004 Subaru Forester XS
2004 Subaru Forester XT
2004 Subaru Impreza Outback
2004 Subaru Impreza RS
2004 Subaru Impreza TS
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2005 Subaru Forester X
2005 Subaru Forester XS
2005 Subaru Forester XS L.L. Bean Edition
2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2005 Subaru Impreza Outback Sport
2005 Subaru Impreza RS
2005 Subaru Impreza WRX
2005 Subaru Impreza WRX STI
2005 Subaru Legacy GT
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2006 Subaru Forester X
2006 Subaru Forester X L.L. Bean Edition
2006 Subaru Forester XT Limited
2006 Subaru Impreza 2.5i
2006 Subaru Impreza Outback Sport
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX STI
2006 Subaru Impreza WRX TR
2006 Subaru Legacy 2.5i
2006 Subaru Legacy GT
2006 Subaru Legacy GT spec.B
2007 Subaru Forester X
2007 Subaru Forester X L.L. Bean Edition
2007 Subaru Forester XT Limited
2007 Subaru Impreza 2.5i
2007 Subaru Impreza Outback Sport
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2007 Subaru Impreza WRX TR
2007 Subaru Legacy 2.5i
2007 Subaru Legacy 2.5i Limited
2007 Subaru Legacy 2.5i Special Edition
2007 Subaru Legacy GT Limited
2007 Subaru Legacy GT spec.B

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: true
Regular Stock: t
Units Per Sku: 1