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The DeatschWerks DW400 Pump Module is an in‑tank fuel pump assembly for 1999–2004 Chevy Silverado and GMC Sierra 1500/2500/3500 V8 applications (4.8L, 5.3L, 6.0L; excludes Flex Fuel). From a manufacturer known for high‑flow fuel system components, the DW400 offers increased fuel delivery capacity over stock and is presented as a vehicle‑specific replacement pump module built from DeatschWerks' fuel system expertise.
DeatschWerks 99-04 Chevy Silverado 1500/2500/3500 DW400 Pump Module
