Fuel Pump E3943M Replacement for Chevy S10 GMC Sonoma Isuzu Hombre

In this review of the Fuel Pump E3943M replacement module, the bottom line is simple: this assembly is best for DIY mechanics and budget-conscious owners of 1997-2000 Chevy S10, GMC Sonoma, or Isuzu Hombre with the 2.2L L4 who need a straightforward fuel pump replacement. The reviewer found the unit delivers consistent fuel flow out of the box and is supplied as a complete module, making installation quicker than hunting separate parts. It is a practical, value-oriented option when a like-for-like OE replacement is required.

Key Features

• Complete module: Ships with the module, sending unit and required components so installers have what they need for a single-unit swap and avoid parts-matching problems.
• OE-equivalent fit: Built and tested to the same quality standards as original equipment, which helps restore original fuel delivery characteristics in compatible trucks.
• Interchangeable part numbers: Replaces several OEM numbers including MU110 and E3943M, simplifying parts lookup for 1997-2000 2.2L L4 applications.
• Vehicle compatibility: Specifically listed for 1997-2000 Chevy S10, GMC Sonoma and Isuzu Hombre 2.2L engines, reducing uncertainty about fitment for those models.
• Customer support: Manufacturer offers troubleshooting, replacement or refund assistance, which eases concerns if a unit fails or needs help after purchase.

Who It's For

This pump is aimed at hands-on owners and independent shops working on late 1990s compact pickups with the 2.2L L4 engine who want a direct, drop-in style fuel module rather than a piecemeal solution. It suits those who value lower cost and quick installation over premium aftermarket options.

Shoppers who demand extended long-term durability or who need a unit for a vehicle outside the exact 1997-2000 2.2L S10/Sonoma/Hombre fitment should look elsewhere or confirm compatibility; some customers have reported early failures, so fleet buyers or those needing maximum longevity may prefer an OEM or higher-end unit.

Pros & Cons

Pros

• Generally easy to install as a full module, saving time on the bench.
• Good value for the price compared with buying multiple components separately.
• Works well initially for fuel delivery and restores functionality in compatible trucks.

Cons

• Mixed feedback on long-term durability, with several reports of failure within months.
• Fit and perceived quality vary by unit, so a small number of customers report fitment or finish issues.

Specifications

Brand	A ABIGAIL
Compatible Models	Chevy S10, GMC Sonoma, Isuzu Hombre (1997-2000)
Engine	L4 2.2L
Interchange Part Numbers	Replaces MU110, MU1756, E3943M, 67349, FG0069, GM 19177259, 25175791, 25178729
Package Contents	Module, sending unit and necessary components
Intended Use	Fuel pump assembly replacement

Our Verdict

The Fuel Pump E3943M replacement is a practical, cost-conscious choice for owners of 1997-2000 S10, Sonoma and Hombre 2.2L trucks who need a complete, drop-in fuel module. It offers good initial performance and easier installation than sourcing separate parts, making it good value for routine repairs. Buyers who prioritize absolute long-term reliability should weigh mixed durability reports before deciding.

Frequently Asked Questions

Will this fit my 1999 Chevy S10 with a 2.2L engine?
Yes, the unit is listed as compatible with 1997-2000 Chevy S10 models equipped with the L4 2.2L engine.

Does the package include everything needed for installation?
Yes, the shipment includes the module, sending unit and the necessary components to complete a standard replacement.

What if the pump fails after installation?
Contact customer service for troubleshooting, replacement or refund options as offered by the seller.