DeatschWerks 9-421-1019 DW420 Fuel Pump w/Install Kit 420lph for 04-08 Mazda RX8

Vehicle Fitment

• 2004-2008 Mazda RX-8 Base
• 2005 Mazda RX-8 Shinka
• 2008 Mazda RX-8 40th Anniversary Edition
• 2008 Mazda RX-8 Grand Touring
• 2008 Mazda RX-8 Sport
• 2008 Mazda RX-8 Touring

• Designed for OEM in-tank fuel pump replacement
• Includes vehicle-specific install kit (PN: 9-1019)
• Professional installation recommended; 10-gauge hardwire kit advised for optimal performance

Features

• High-performance 420 LPH flow rate supports increased fuel demands
• Compact 39mm diameter for drop-in fitment
• Compatible with ethanol-blended fuels (E85 safe)
• Quiet and reliable turbine impeller design
• Includes comprehensive install kit with filter, clamps, and wiring
• Backed by a 3-year limited warranty

Specifications

• Part Number: 9-421-1019
• Series: DW420
• Flow Rate: 420 LPH
• Fuel Compatibility: Gasoline and E85
• Mounting Style: In-tank
• Diameter: 39mm
• Recommended Wiring: 10-gauge hardwire kit (PN: FPHWK-10-HD)

Included Components

• 1x DW420 420 LPH In-Tank Fuel Pump
• 1x Vehicle-Specific Install Kit (PN: 9-1019)
• Installation Instructions

Product Description

The DeatschWerks 9-421-1019 DW420 Fuel Pump Kit is engineered for 2004-2008 Mazda RX-8 models, offering a high-performance solution for increased fuel demands. With a flow rate of 420 LPH, this in-tank fuel pump supports both gasoline and E85 applications, making it ideal for high-horsepower builds.

Its compact 39mm diameter ensures a drop-in fitment, and the included vehicle-specific install kit (PN: 9-1019) simplifies installation. The turbine impeller design provides quiet and reliable operation, while compatibility with ethanol-blended fuels adds versatility. For optimal performance, a 10-gauge hardwire kit (PN: FPHWK-10-HD) is recommended.