DeatschWerks 5.5L Modular Surge Tank with Three DW400 Fuel Pumps, Universal - DWK6-401-55ST

DeatschWerks, LLC provides high-performance fuel system solutions for the automotive aftermarket. Located in Oklahoma City, OK, DW houses all of the company?s functions including design, end-manufacturing, quality assurance, sales, marketing, and administration in its 36,000sf facility. DeatschWerks? roots were established in 2004 by offering high flow drop-in fitment fuel injectors. In 2009 DW expanded into fuel pumps with the DW300, the highest flowing in-tank fuel pump of its time. Since then, DW has developed a wide range of innovative fuel system components which include in-tank and in-line pumps, surge tanks, fuel rails, fuel filters, pressure regulators, and fuel-specific lines, fittings, and adaptors. Today, the DeatschWerks line-up of fuel system components includes over 800 SKU?s covering Sport Compact, Modern Muscle, Euro, and Powersport applications. 5.5L Staged Surge Tank, Universal. Includes 3 DW400 Fuel Pumps.

The DeatschWerks DWK6-401-55ST 5.5L Modular Surge Tank is a universal fuel system solution designed for high-performance automotive applications. This staged surge tank includes three DW400 fuel pumps to support demanding fuel delivery requirements while helping maintain consistent fuel pressure during acceleration, cornering, and other high-load conditions.

DeatschWerks engineered this surge tank as part of its modular fuel system lineup, providing a practical way to expand fuel capacity and pump capability in custom builds. The integrated DW400 pumps deliver high-flow performance for applications requiring increased fuel volume, making this assembly suitable for sport compact, modern muscle, European, and other performance-oriented vehicles. Its universal configuration allows builders and installers to adapt the system to a wide range of vehicle layouts and fuel system designs.

The DeatschWerks DWK6-401-55ST is intended for automotive use and is not emissions-certified for California applications. Professional installation is recommended, including appropriate fuel lines, fittings, electrical connections, filtration, and fuel pressure regulation for the specific vehicle and fuel type. Confirm available space, mounting requirements, electrical demand, and compatibility with the rest of the fuel system before installation. The package includes the modular surge tank assembly and three DW400 fuel pumps.

Product Specifications & Technical Data

• Brand: DeatschWerks
• Part Number: DWK6-401-55ST
• Product Type: Modular surge tank assembly
• Surge Tank Capacity: 5.5 liters
• Fuel Pumps Included: Three DW400 pumps
• Application: Universal automotive fitment
• Fuel System Use: High-performance fuel delivery
• Emissions Status: Not CARB approved

What's Included

• One DeatschWerks 5.5L modular surge tank assembly
• Three DeatschWerks DW400 fuel pumps

Features:

• Staged Surge Tank: Helps maintain a steady fuel supply during high-demand driving, acceleration, and cornering.
• Three DW400 Fuel Pumps: Provides high-flow fuel delivery capacity for demanding performance applications.
• 5.5L Fuel Capacity: Adds reserve volume to support consistent pump operation and reduce fuel starvation risk.
• Universal Automotive Design: Adaptable to custom fuel system installations across sport compact, modern muscle, European, and other performance vehicles.

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