NTLTPYY Electric Fuel Pump Module for Chevy Silverado 1500 2014-2018 — E4123M Direct-Fit, Corrosion-Resistant Complete Assembly

NTLTPYY E4123M is a direct-fit in-tank electric fuel pump module engineered to restore reliable fuel delivery for 2014–2018 Chevy Silverado 1500 and compatible GMC Sierra 1500 engines.

If your Silverado or Sierra is showing signs of weak fuel pressure, hard starts, or hesitation under load, this NTLTPYY electric fuel pump module is built as a like-for-like replacement to help re-establish proper fuel flow. Designed to match OE fitment and electrical connections for many common part numbers, the module ships as a complete assembly sized to fit factory tanks and mounting points. Materials and construction focus on corrosion resistance and mechanical strength to withstand in-tank environments.

How does this pump restore performance in everyday driving?

The E4123M module provides steady in-tank fuel delivery to maintain correct pressure and avoid fuel starvation during acceleration or towing. By replacing a worn or failing pump, the engine receives consistent fuel flow, which improves throttle response and reduces hard-starting events.

• Delivers stable pressure to meet factory specifications for 4.3L, 5.3L and 6.2L engines.
• Complete module includes sending unit for accurate fuel level readings.
• Corrosion-resistant housing protects internal components in fuel environments.
• Tested for heat and flow to improve reliability under load.

Will this unit fit my Silverado or Sierra?

This pump is intended for Chevy Silverado 1500 and GMC Sierra 1500 model years 2014–2018 equipped with V6 and V8 engines within the listed displacements. It matches multiple OEM reference numbers, but you should verify compatibility with your current module before purchasing.

• Compatible model years: 2014–2018 Silverado and Sierra 1500.
• Fits engine sizes: 4.3L, 5.3L, 6.2L V6/V8 applications.
• Cross-references common OE numbers for easier identification.
• Confirm physical dimensions: approximately 16.93×7.09×9.84 inches, 4.74 lb.

What features improve durability and fuel efficiency?

The assembly uses reinforced materials and a corrosion-resistant outer housing to reduce premature wear. It is engineered to supply continuous, even flow that helps the engine optimize combustion, which can translate to smoother operation and potentially improved fuel economy compared with a failing pump.

• High-strength construction for in-tank durability.
• Corrosion-resistant housing suited for modern fuels.
• Designed to maintain consistent fuel flow under varying loads.
• Includes sending unit to preserve accurate fuel level readings.

How straightforward is installation and what should I check first?

Installation follows the factory procedure for an in-tank module replacement and typically requires tank access, proper sealing, and correct electrical connections. Before ordering, inspect your current assembly for matching mounting style and electrical connector, and compare OE numbers to the cross-reference list.

• Requires tank access and proper sealing to avoid leaks.
• Ensure electrical connector orientation matches your vehicle.
• Compare OE/reference numbers listed with your existing module.
• Professional installation recommended if you lack in-tank experience.

Who is this for? Drivers and technicians replacing a failing or noisy fuel pump on 2014–2018 Chevy Silverado 1500 or GMC Sierra 1500 models who want a complete, factory-style in-tank module. It suits owners seeking a compatible alternative to several OEM part numbers for V6 and V8 applications, as well as garages needing a tested replacement that prioritizes corrosion resistance, steady fuel delivery, and restored fuel-level feedback.