A ABIGAIL Fuel Pump Assembly for 2004-2007 Chevy Silverado & GMC Sierra — Direct-Fit Module with Sending Unit (4.3L–8.1L)

A ABIGAIL fuel pump assembly replaces the factory module to restore reliable fuel delivery for 2004–2007 Chevy Silverado and GMC Sierra trucks across specified V6 and V8 engines.

This direct-fit replacement is engineered to match the original equipment's fit and function for select Silverado 1500, Silverado 2500/2500HD and GMC Sierra 1500/2500/2500HD models built between 2004 and 2007. The unit includes the module, sending unit, and all necessary components so you can swap the failed assembly without hunting down extra parts. Built and tested to meet tight tolerances, the pump is designed to provide consistent pressure and flow for gasoline engines ranging from 4.3L up to 8.1L.

How does this replacement pump match my original fuel system?

The A ABIGAIL assembly is manufactured to the same mounting and electrical specifications as many OE modules, ensuring a direct swap in compatible tanks. Connections, sending unit calibration, and mounting flange align with the factory layout to reduce installation complexity and calibration needs.

• Replaces part numbers such as E3609M, MU1415, MU1585, P76241M and others
• Includes module and sending unit for direct replacement
• Designed for 2004–2007 Silverado and Sierra models with listed engine sizes

Will installation be straightforward for a home mechanic?

Yes—this kit contains the core components required to replace the in-tank module so most technicians and experienced DIYers can complete the job with common tools. Standard safety precautions for working with fuel systems still apply, and access may require removing the fuel tank or dropping the module through an access panel depending on truck configuration.

• Comes with the complete module and sending unit to avoid extra parts sourcing
• Uses factory-style electrical and fuel line interfaces for easier hookup
• Installation typically requires basic hand tools and fuel-safe practices

What engines and models is this compatible with?

This assembly is listed for numerous small-block V6 and V8 engines in early-2000s Chevy and GMC trucks. Compatibility covers 4.3L, 4.8L, 5.3L, 6.0L and 8.1L gasoline engines for the specified model years, but always verify fitment with your VIN or existing part number before purchase.

• Fits Chevy Silverado 1500 and 2500 / 2500HD (2004–2007)
• Fits GMC Sierra 1500 and 2500 / 2500HD (2004–2007)
• Cross-references OE and aftermarket numbers like FG0340, 19133450, 530-2263

What should I expect from performance and durability?

The assembly is produced and tested to provide stable fuel pressure and flow under normal driving conditions, aiming to restore drivability and fuel system consistency. While longevity depends on operating conditions and maintenance, the unit is built to meet common industry quality checks comparable to original parts.

• Precision-built pump and internal components for steady fuel delivery
• Quality testing during production to reduce early failures
• Service support available for troubleshooting, replacement, or refund

Who is this for: This A ABIGAIL fuel pump assembly suits owners and mechanics working on 2004–2007 Chevrolet Silverado or GMC Sierra trucks with the listed engines who need a full module replacement that matches OE mounting and electrical characteristics. If you require a complete in-tank module replacement—module, sending unit, and associated components included—this product is made for restoring fuel system operation without sourcing separate parts. Always confirm compatibility using your vehicle's VIN, year, engine size, and the original part number before ordering.