My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

DeatschWerks 9-421S-1004 High-Flow In-Tank Fuel Pump with Install Kit - DW420 420LPH

(2006-2009 Honda S2000)

Manufacturer

Part Number

9-421S-1004
Sale Price

$158.02

Estimated ship date Saturday, November 28

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The DeatschWerks 9-421S-1004 is a high-performance DW420 series in-tank fuel pump designed to deliver reliable 420 liters per hour flow capacity for demanding applications. This complete pump assembly includes a comprehensive installation kit specifically engineered for 2006-2009 Honda S2000 models, making it an ideal upgrade for enthusiasts looking to support increased horsepower from forced induction or engine modifications.

Key Features:

  • 420 liters per hour flow rate supports up to approximately 700+ horsepower
  • Direct drop-in replacement with vehicle-specific installation kit included
  • High-pressure fuel delivery for supercharged and turbocharged applications
  • Durable construction designed for use with ethanol blends up to E85
  • Proven DW420 series pump technology for consistent fuel pressure
  • Complete installation hardware reduces setup time and complexity

DeatschWerks fuel pumps are engineered to meet the demands of high-performance street and race applications, providing the fuel flow needed to prevent lean conditions under heavy acceleration and high-load driving. The included installation kit ensures proper fitment and simplifies the upgrade process for your S2000.

Products specifications

Fits

2006-2009 Honda S2000

Prop 65

WARNING: Cancer and Reproductive Harm www.P65WARNINGs.ca.gov

Category

Vehicle Specific In-Tank Fuel Pumps

Flow Rate

420lph

Mounting Type

In Tank

Note

To ensure maximum voltage at the pump, a 10-gauge hardwire kit is strongly recommended for optimum performance. (DeatschWerks PN# FPHWK-10-HD)

Price Group

P1

Series

DW420

Shopify Category

Motor Vehicle Fuel Systems

Shopify Collection

Fuel Pumps

Shopify Type

Electric Fuel Pump

Good customer service

Fast and simple

Easy to order, but not sure how many are in package. Hoping for four

I received the parts packaged very well. I'm happy with my purchase

good communication

Quick, easy and free shipping. I'll be back!! Chris Wisconsin

I had tried to cancel an order prior to shipment, but the product still shipped. I have shipped back my product and am waiting on a full refund. Assuming this process goes smoothly, I would rate the customer service 5 stars. My name is Andre Hotard.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy