DeatschWerks
DeatschWerks 99-04 Chevy Silverado 1500/2500/3500 DW400 Pump Module - 9-401-7010
- SKU:
- DWK9-401-7010
- UPC:
- 0887753534583
- MPN:
- 9-401-7010
- Availability:
- Regularly stocked product
Description
Does the DW DW400 fuel pump fit my 2003 Chevy Silverado 1500?
The DW DW400 fuel pump is engineered as a direct drop-in replacement for your 2003 Chevy Silverado 1500, ensuring perfect fitment.
How easy is it to install the DW DW400 fuel pump?
Designed for easy DIY installation, the drop-in fitment of the DW DW400 fuel pump simplifies the upgrade process significantly.
The DW DW400 fuel pump offers the highest flowing in-tank performance of its time for 1997-2004 Chevrolet S10/Silverado 1500/2500 and GMC Sierra models. Featuring innovative fuel system components, it provides unparalleled fuel delivery. Trust DeatschWerks for a seamless, high-flow solution that transforms your vehicle's performance.
What Owners Say
Enthusiasts frequently recommend the DW400 as a solid fueling solution for E85 conversions and builds targeting 500-650whp, praising its ability to eliminate fuel pressure fluctuations and smooth out acceleration stumbles. The pump appears consistently in forum discussions alongside the Walbro 450 as a go-to upgrade for serious power applications. However, the DW400 has sparked some controversy in the community, with reports of pumps failing prematurely—particularly when not run at sustained high duty cycles. Tuners have varying opinions on working with DeatschWerks units, so checking with your specific tuner before purchasing is recommended. Despite these concerns, the DW400 maintains a strong reputation as a capable high-flow solution for demanding fuel delivery needs.
Key Features
- high-performance fuel system solutions
- high flow drop-in fitment fuel injectors
- highest flowing in-tank fuel pump of its time
- innovative fuel system components
- in-tank and in-line pumps
- fuel rails, fuel filters, pressure regulators, and fuel-specific lines, fittings, and adaptors
Why Choose the DW DW400 Fuel Pumps
Delivers consistent fuel flow for maximum engine power and responsiveness.
Achieves peak engine performance with a seamless, high-flow fuel delivery.
Transforms your S10/Silverado/Sierra into a more potent and reliable machine.
Provides the foundation for extreme horsepower with a robust fuel system.
Who Is This For?
Street Performance — 8/10
High flow pump supports enhanced engine performance.
Drag Racing — 9/10
Highest flowing pump ensures maximum fuel delivery.
Racing Competition — 9/10
High performance fuel system for demanding racing.
Engine Performance — 8/10
High flow pump supports increased engine power.
Easy DIY Install — 7/10
Drop-in fitment simplifies installation process.
Frequently Asked Questions
Does the DW DW400 fuel pump fit my 2003 Chevy Silverado 1500?
Yes, the DeatschWerks DW400 fuel pump is a direct drop-in fit for your 2003 Chevrolet Silverado 1500. This specific fitment ensures a straightforward installation process. You can confidently upgrade your fuel system for enhanced vehicle performance.
How easy is it to install the DW DW400 fuel pump?
The DW DW400 fuel pump offers easy DIY installation due to its drop-in fitment design. This installation type simplifies the process for enthusiasts. Expect a straightforward upgrade to your vehicle's fuel delivery system.
What are the performance benefits of the DW DW400 fuel pump for drag racing?
The DW DW400 fuel pump delivers unparalleled fuel delivery for drag racing, achieving a usage score of 9. This high-flow capability ensures your engine receives maximum fuel for peak performance. Trust this pump for demanding racing applications.
Is upgrading to a DW DW400 fuel pump worthwhile over the stock unit?
Upgrading to the DW DW400 fuel pump is highly recommended for performance gains, as it is the highest flowing in-tank fuel pump of its time. This technical superiority provides the foundation for extreme horsepower. Transform your vehicle into a more potent machine.
What is the best use case for the DW DW400 fuel pump?
The DW DW400 fuel pump is best for performance enthusiasts seeking enhanced fuel delivery for racing and street applications. Its high flow supports improved engine performance, scoring an 8 for Street Performance. Achieve peak engine performance with this seamless fuel delivery.
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Fuel Pumps — Fuel Delivery
Additional Information
CARB: |
This product is not CARB Legal and not for sale in California |
Clearance Item: |
N |
MPN: |
9-401-7010 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Fuel Delivery>Fuel Pumps |
Install Type: |
Drop-In |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Drag Racing: |
9/10 |
Racing Competition: |
9/10 |
Engine Performance: |
8/10 |
Easy DIY Install: |
7/10 |
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