DeatschWerks DW400 Fuel Pump Module — Fits 99-04 Chevy Silverado 1500/2500/3500

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SKU: DWK9-401-7010
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About DeatschWerks DeatschWerks builds the high-flow fuel pumps and injectors ...Read More

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Sale price$588.01 Regular price$589.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About DeatschWerks

DeatschWerks builds the high-flow fuel pumps and injectors that feed modern boosted builds — from 750cc to 2200cc injectors and 415 lph to 750 lph pumps. The choice of EcoBoost Mustang, MK7 Golf R, EVO X, and forced-induction Honda builds.

Watch in action

Performance Fuel Delivery for GM Trucks

Upgrade your 1999-2004 Chevrolet Silverado or GMC Sierra with the DeatschWerks DW400 Fuel Pump Module. Designed to meet the demands of high-performance engines, this module provides a significant flow increase over stock systems, making it the perfect choice for truck owners looking to add forced induction or optimize their engine for increased power.

Why Choose DeatschWerks?

  • High Flow Capacity: The DW400 pump is one of the most capable in-tank pumps available.
  • Drop-In Fitment: Engineered specifically for the 99-04 GM truck platform for easy installation.
  • Comprehensive Solution: Includes the pump and module assembly for a complete upgrade.
  • Proven Reliability: Built by industry leaders in fuel system technology.

DeatschWerks has built a reputation for excellence by providing high-performance fuel solutions that don't require extensive modification. This module is no exception, offering a direct-fit solution that maintains factory-like functionality while providing the fuel volume necessary for high-horsepower builds. Whether you are towing, racing, or simply looking for a more robust fuel system, this module delivers consistent performance under all driving conditions. With a 36,000sf facility dedicated to quality assurance and innovation, DeatschWerks ensures every component meets the highest standards. Experience the difference in fuel delivery quality with parts sourced from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Chevrolet S10 SS
1997-2003 Chevrolet S10 Base
1997-2003 Chevrolet S10 ZR2
1997-2004 Chevrolet S10 LS
1999-2003 Chevrolet S10 Xtreme
2002-2004 Chevrolet S10 ZR5
1999-2004 Chevrolet Silverado 1500 Base
1999-2004 Chevrolet Silverado 1500 LT
2002-2004 Chevrolet Silverado 1500 WT
2003-2004 Chevrolet Silverado 1500 SS
2004 Chevrolet Silverado 1500 Hybrid
2004 Chevrolet Silverado 1500 Z71 Off-Road
1999-2004 Chevrolet Silverado 2500 Base
1999-2004 Chevrolet Silverado 2500 LS
2004 Chevrolet Silverado 2500 WT
2001-2004 Chevrolet Silverado 3500 Base
2001-2004 Chevrolet Silverado 3500 LS
2001-2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
1999-2003 GMC Sierra 1500 SL
1999-2004 GMC Sierra 1500 SLE
1999-2004 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2004 GMC Sierra 1500 WT
2002-2004 GMC Sierra 1500 Base
1999-2002 GMC Sierra 2500 SL
1999-2004 GMC Sierra 2500 SLE
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 3500 SL
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About DeatschWerks

DeatschWerks builds the high-flow fuel pumps and injectors that feed modern boosted builds — from 750cc to 2200cc injectors and 415 lph to 750 lph pumps. The choice of EcoBoost Mustang, MK7 Golf R, EVO X, and forced-induction Honda builds.

Watch in action

Performance Fuel Delivery for GM Trucks

Upgrade your 1999-2004 Chevrolet Silverado or GMC Sierra with the DeatschWerks DW400 Fuel Pump Module. Designed to meet the demands of high-performance engines, this module provides a significant flow increase over stock systems, making it the perfect choice for truck owners looking to add forced induction or optimize their engine for increased power.

Why Choose DeatschWerks?

  • High Flow Capacity: The DW400 pump is one of the most capable in-tank pumps available.
  • Drop-In Fitment: Engineered specifically for the 99-04 GM truck platform for easy installation.
  • Comprehensive Solution: Includes the pump and module assembly for a complete upgrade.
  • Proven Reliability: Built by industry leaders in fuel system technology.

DeatschWerks has built a reputation for excellence by providing high-performance fuel solutions that don't require extensive modification. This module is no exception, offering a direct-fit solution that maintains factory-like functionality while providing the fuel volume necessary for high-horsepower builds. Whether you are towing, racing, or simply looking for a more robust fuel system, this module delivers consistent performance under all driving conditions. With a 36,000sf facility dedicated to quality assurance and innovation, DeatschWerks ensures every component meets the highest standards. Experience the difference in fuel delivery quality with parts sourced from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Chevrolet S10 SS
1997-2003 Chevrolet S10 Base
1997-2003 Chevrolet S10 ZR2
1997-2004 Chevrolet S10 LS
1999-2003 Chevrolet S10 Xtreme
2002-2004 Chevrolet S10 ZR5
1999-2004 Chevrolet Silverado 1500 Base
1999-2004 Chevrolet Silverado 1500 LT
2002-2004 Chevrolet Silverado 1500 WT
2003-2004 Chevrolet Silverado 1500 SS
2004 Chevrolet Silverado 1500 Hybrid
2004 Chevrolet Silverado 1500 Z71 Off-Road
1999-2004 Chevrolet Silverado 2500 Base
1999-2004 Chevrolet Silverado 2500 LS
2004 Chevrolet Silverado 2500 WT
2001-2004 Chevrolet Silverado 3500 Base
2001-2004 Chevrolet Silverado 3500 LS
2001-2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
1999-2003 GMC Sierra 1500 SL
1999-2004 GMC Sierra 1500 SLE
1999-2004 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2004 GMC Sierra 1500 WT
2002-2004 GMC Sierra 1500 Base
1999-2002 GMC Sierra 2500 SL
1999-2004 GMC Sierra 2500 SLE
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 3500 SL
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

Product Details

Product Description

About DeatschWerks

DeatschWerks builds the high-flow fuel pumps and injectors that feed modern boosted builds — from 750cc to 2200cc injectors and 415 lph to 750 lph pumps. The choice of EcoBoost Mustang, MK7 Golf R, EVO X, and forced-induction Honda builds.

Watch in action

Performance Fuel Delivery for GM Trucks

Upgrade your 1999-2004 Chevrolet Silverado or GMC Sierra with the DeatschWerks DW400 Fuel Pump Module. Designed to meet the demands of high-performance engines, this module provides a significant flow increase over stock systems, making it the perfect choice for truck owners looking to add forced induction or optimize their engine for increased power.

Why Choose DeatschWerks?

  • High Flow Capacity: The DW400 pump is one of the most capable in-tank pumps available.
  • Drop-In Fitment: Engineered specifically for the 99-04 GM truck platform for easy installation.
  • Comprehensive Solution: Includes the pump and module assembly for a complete upgrade.
  • Proven Reliability: Built by industry leaders in fuel system technology.

DeatschWerks has built a reputation for excellence by providing high-performance fuel solutions that don't require extensive modification. This module is no exception, offering a direct-fit solution that maintains factory-like functionality while providing the fuel volume necessary for high-horsepower builds. Whether you are towing, racing, or simply looking for a more robust fuel system, this module delivers consistent performance under all driving conditions. With a 36,000sf facility dedicated to quality assurance and innovation, DeatschWerks ensures every component meets the highest standards. Experience the difference in fuel delivery quality with parts sourced from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1998 Chevrolet S10 SS
1997-2003 Chevrolet S10 Base
1997-2003 Chevrolet S10 ZR2
1997-2004 Chevrolet S10 LS
1999-2003 Chevrolet S10 Xtreme
2002-2004 Chevrolet S10 ZR5
1999-2004 Chevrolet Silverado 1500 Base
1999-2004 Chevrolet Silverado 1500 LT
2002-2004 Chevrolet Silverado 1500 WT
2003-2004 Chevrolet Silverado 1500 SS
2004 Chevrolet Silverado 1500 Hybrid
2004 Chevrolet Silverado 1500 Z71 Off-Road
1999-2004 Chevrolet Silverado 2500 Base
1999-2004 Chevrolet Silverado 2500 LS
2004 Chevrolet Silverado 2500 WT
2001-2004 Chevrolet Silverado 3500 Base
2001-2004 Chevrolet Silverado 3500 LS
2001-2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
1999-2003 GMC Sierra 1500 SL
1999-2004 GMC Sierra 1500 SLE
1999-2004 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2004 GMC Sierra 1500 WT
2002-2004 GMC Sierra 1500 Base
1999-2002 GMC Sierra 2500 SL
1999-2004 GMC Sierra 2500 SLE
2002-2004 GMC Sierra 2500 Base
2003-2004 GMC Sierra 2500 WT
2001-2002 GMC Sierra 3500 SL
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2002-2004 GMC Sierra 3500 Base
2004 GMC Sierra 3500 WT

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