A ABIGAIL Fuel Pump E3500M for Chevy Silverado & GMC Sierra 1999–2004 — In‑Tank Module with Sending Unit & Pressure Sensor

A ABIGAIL Fuel Pump E3500M is a direct-replacement in-tank fuel pump assembly with sending unit and pressure sensor designed to restore reliable fuel delivery on 1999–2004 Chevy Silverado and GMC Sierra trucks.

Built to match original-equipment fit and function, this complete module includes the pump, sending unit and the necessary hardware so you can swap it into compatible 4.3L, 4.8L, 5.3L, 6.0L and 8.1L models without modification. Each unit is manufactured and tested to the brand’s quality standards and replaces multiple OE cross-reference numbers for straightforward fitment. Before ordering, verify the fitment chart to ensure exact compatibility with your vehicle’s year, engine and tank configuration.

Will this pump fit my Chevy Silverado or GMC Sierra from 1999 to 2004?

This E3500M assembly is intended for a range of V6 and V8 engines in Chevy and GMC full-size pickups within the 1999–2004 model years. Fitment depends on the tank design and fuel system variant, so checking the compatibility dropdown or chart is essential. No vehicle-side modification should be required when the part matches your application.

• Compatible engines: 4.3L, 4.8L, 5.3L, 6.0L, 8.1L
• Replaces common OEM numbers listed in the interchange data
• Includes the sending unit and pressure sensor in the module
• Confirm year/make/model and tank type via compatibility chart

How does the E3500M assembly simplify installation?

The unit ships as a complete module so you avoid sourcing separate components. Because the pump, float sending unit and pressure sensor arrive preassembled, installation time is reduced and alignment issues are minimized. Typical installs replace the old module without cutting or modifying the fuel tank or wiring connectors when fitment matches.

• Preassembled module for faster swap-in replacement
• Standard electrical and fuel line connections that match OEM locations
• Includes necessary mechanical components and seals
• Straightforward service procedure when compatibility is correct

What performance and reliability features should I expect?

This A ABIGAIL assembly is engineered to deliver consistent pressure and flow comparable to the original equipment it replaces. Components are precision-built and undergo quality checks to ensure stable fuel delivery across normal operating conditions. The sending unit and pressure sensor are included to restore accurate fuel level readings and system regulation.

• Precision-built pump for stable flow and pressure
• Integrated sending unit for accurate fuel level readings
• Pressure sensor included to support proper fuel regulation
• Manufactured and tested to meet rigorous quality standards

What should I do if I encounter issues after installation?

If you experience fitment or operation concerns, A ABIGAIL offers customer support for troubleshooting, replacement or refund according to the purchase terms. Collect the vehicle details and part information before contacting support to speed resolution. Retaining the original packaging and order information helps with warranty or return requests.

• Contact customer service for troubleshooting or replacements
• Have vehicle year, engine and order details ready
• Follow return instructions if a refund or exchange is needed
• Images provided show actual item and components for reference

Who is this for: technicians, do-it-yourself owners and fleet managers who need a dependable, direct-fit in-tank fuel pump assembly for late‑1990s to early‑2000s Chevy Silverado and GMC Sierra trucks. It’s especially useful for anyone replacing a failed pump, restoring fuel level accuracy, or completing a timed maintenance job where a complete, OE‑style module with sending unit and pressure sensor is preferred over piecemeal repairs. Always verify vehicle compatibility before purchase to ensure a seamless installation.