ACDelco MU1657 Fuel Pump & Level Sensor Module – GM Genuine Part

ACDelco MU1657 Fuel Pump & Level Sensor Module – GM Genuine Part

Restore proper fuel delivery and accurate fuel level readings with the ACDelco MU1657 fuel pump and level sensor module. Built to GM Original Equipment specifications, this complete assembly provides reliable performance, quiet operation, and correct fitment for select Chevrolet Suburban and Avalanche models.

This all-in-one module includes the fuel pump, fuel level sensor, and sealing components, making it a direct replacement for worn or failing factory units. It helps restore consistent fuel pressure for smoother starts, stable engine performance, and improved drivability.

If you're experiencing hard starting, hesitation, fuel starvation, or inaccurate fuel gauge readings, this is the correct OE-style solution.

Condition: New
This item is new and unused. Packaging may show minor wear from storage.

Key Features

• Part Number: ACDelco MU1657
• GM Genuine Part for OE fit, form, and function
• Complete assembly includes fuel pump, level sensor, and sealing components
• Restores consistent fuel pressure for reliable performance
• Improves fuel gauge accuracy
• Designed for quiet operation
• Direct replacement for factory fuel pump modules

Vehicle Fitment

• 2004–2007 Chevrolet Suburban
• 2004–2007 Chevrolet Avalanche

Always verify compatibility using your VIN before purchase.

Important Notes

• Designed for gasoline applications only
• Professional installation recommended
• Ensure proper diagnosis before replacing fuel system components