DeatschWerks DW420 Series

1986–1989 Chevrolet Corvette 5.7L V8

Part #: 9-421-1028

Overview

The DeatschWerks DW420 Series 420lph In-Tank Fuel Pump with Install Kit is designed specifically for enthusiasts seeking reliable, high-performance fuel delivery for their classic Chevrolet Corvette models from 1986 to 1989. Whether you're restoring a vintage Corvette or enhancing its fueling system for increased performance, this pump offers a perfect balance of flow capacity and durability. Its robust construction ensures consistent fuel supply, supporting your vehicle's power needs during spirited driving or restoration projects.

This fuel pump is ideal for Corvette owners who want a direct replacement that improves upon the factory unit, providing increased flow rates to support modifications or simply restore optimal fueling. With its straightforward installation process and high-quality components, you'll get a dependable upgrade that enhances your vehicle's overall performance and reliability.

Key Features

The DeatschWerks DW420 Series fuel pump incorporates several advanced features designed to meet the demands of performance-oriented applications:

• High-capacity 420 liters per hour (lph) flow rate ensures your Corvette receives ample fuel for increased horsepower and torque.
• Precision-engineered in-tank design minimizes fuel turbulence and maintains consistent pressure, crucial for optimal engine performance.
• Constructed with durable, corrosion-resistant materials to withstand the harsh environment inside the fuel tank.
• Includes a comprehensive install kit with all necessary hardware, fittings, and instructions for a hassle-free upgrade.
• Compatible with OEM fuel systems, making it an ideal replacement for the factory pump in 1986-1989 Corvette models.
• Supports modifications and tuning by providing a reliable fuel supply under increased demand.
• Designed for longevity and consistent performance, reducing the risk of fuel starvation during high-performance driving.

Construction & Design

The DW420 Series pump features a high-quality, compact design that fits seamlessly into the factory fuel tank. Its internal components are crafted from corrosion-resistant materials, ensuring durability over years of service. The pump's motor is engineered for quiet operation and efficient power consumption, while the integrated filter prevents debris from reaching the engine. The included install kit simplifies the replacement process, with all necessary fittings and hardware to ensure a secure, leak-free connection. Overall, the design emphasizes reliability, ease of installation, and long-term performance, making it a top choice for Corvette enthusiasts and restorers alike.

Installation & Fitment

The DeatschWerks DW420 Series fuel pump is a direct bolt-in replacement for the factory pump in 1986-1989 Chevrolet Corvette models equipped with a 5.7L V8 engine. The included install kit contains all necessary hardware and fittings, making the upgrade straightforward for experienced DIY enthusiasts and professional installers. No cutting, drilling, or complex modifications are required. It is recommended to verify fuel system compatibility and perform a fuel system check before installation to ensure optimal operation.

• Plug-and-play installation with OEM mounting points
• No tuning or additional modifications typically required for proper operation

What's Included

• DeatschWerks DW420 Series 420lph in-tank fuel pump
• Complete install kit with fittings, clamps, and hardware
• Installation instructions

Ideal For

• Corvette owners restoring or upgrading their fuel system
• Performance enthusiasts seeking increased fuel flow for tuning or modifications
• Restorers looking for a reliable OEM replacement
• Anyone aiming to improve fuel delivery consistency and engine response