Electric Fuel Pump
InfoVehicle Info Needed
ACDELCOPART NUMBER: 065-MU1578

Electric Fuel Pump

$28543
ShippingShips on 10/20/2026
Lowest PriceLowest Price Guarantee

Electric Fuel Pump
  • Length: 5.16 in.
  • Terminal Quantity: 2
  • Terminal Type: Blade
  • Terminal Gender: Male
  • Connector Gender: Female
  • Connector Shape: Oblong
  • Fuel Type: Gas
  • Sold Individually

    ACDelco MU1578 Electric Fuel Pump is designed as an application-specific service replacement that supports proper fit, function, and system integration. Supports accurate fuel delivery and dependable engine operation. Verify vehicle fitment and system configuration before installation.

    ACDelco MU1578 Features:

    • Application-specific design helps maintain proper fuel-system fit, routing, or control
    • Designed to restore fuel delivery in compatible applications
    • Works with the tank, lines, filter, and fuel-management components as part of the fuel-delivery system

    ACDelco MU1578 Notes:

    • Verify vehicle application, position, and system configuration before installation.
  • Part TypeElectric Fuel Pump
    BrandACDELCO
    Package Height3.7
    Package Width4.0
    Package Length5.16
    Weight1.28 PG
    Outlet Quantity1
    ConstructionNew
    Inlet TypeThreaded
    Strainer IncludedNo
    Outlet Thread Diameter (Mm)16
    Terminal GenderMale
    Seal And Lock Ring IncludedNo
    Product DescriptionGM Genuine Parts Electrical Fuel Pumps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These pumps deliver fuel to your vehicle's fuel injectors, helping to provide a steady, reliable fuel supply to your vehicle's engine. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). &#9888;<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Outlet Outside Diameter16
    Universal Or Specific FitSpecific
    Gasket Or Seal IncludedNo
    Width (In)4
    Gaskets IncludedNo
    Terminal TypeBlade
    Regulator IncludedNo
    Connector ShapeOblong
    Outlet TypeThreaded
    Internal Or External MountExternal
    Negative GroundYes
    Part CategoryReplacement Parts
    Wiring Harness IncludedYes
    Internal Or ExternalExternal
    Wire Quantity2
    Faq - Answer 8Could special tools be required for fuel pump installation?
    Faq - Answer 7Are there preventative measures I can take to help prevent/minimize fuel contamination that could damage my fuel pump?
    Maximum Flow Rating0.58
    Fuel TypeGas
    Meets Or Exceeds Original Equipment ManuYes
    Mounting Bracket IncludedNo
    Minimum Flow Rating0.33
    Voltage12
    Features &#38;#38; Benefits - Bullet 2Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
    Meets Or Exceeds Original Equipment Manufacture SpecificationsYes
    Features &#38;#38; Benefits - Bullet 3GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
    Minimum Free Flow Rate20
    Features &#38;#38; Benefits - Bullet 4GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
    Terminal Quantity2
    Fuel Sending Unit IncludedNo
    Features &#38;#38; Benefits - Bullet 5GM regularly updates production and service part designs to integrate new materials and technologies
    Features &#38;#38; Benefits - Bullet 1Helps provide a reliable fuel supply to your vehicle's engine
    In Tank Or ExternalExternal
    Good Maintenance Practices - Section 1 - Bullet 8When servicing an electric fuel pump, always replace the strainer, and inspect the inline fuel filter for contamination.
    Connector GenderFemale
    Mounting Hardware IncludedNo
    Good Maintenance Practices - Section 1 - Bullet 9When replacing a fuel pump, check for proper electrical connections, pressure, volume, and current.
    Good Maintenance Practices - Section 1 - Bullet 6Running your vehicle with a near empty fuel tank can cause your pump to fail. For longevity, maintain proper fuel levels.
    Good Maintenance Practices - Section 1 - Bullet 7Fuel contamination is one of the top reasons for fuel pump failure. For proper operation and longevity, it is critical to have a clean fuel system.
    Signs Of Wear &#38;#38; Troubleshooting - Section 1 - Bullet 6Poor engine starting characteristics
    Good Maintenance Practices - Section 1 - Bullet 10Make a service appointment if your vehicle shows any of the following symptoms: 'Service Engine Soon' light is illuminated, improper engine idling, hesitation, or stalling, excessive exhaust smoke, abnormal engine noises, or noticeable fuel odors.
    Signs Of Wear &#38;#38; Troubleshooting - Section 1 - Bullet 7Slow response when accelerating
    Signs Of Wear &#38;#38; Troubleshooting - Section 1 - Bullet 8Intermittent power loss
    Height (In)3.7
    Signs Of Wear &#38;#38; Troubleshooting - Section 1 - Bullet 9Excessive noise
    Good Maintenance Practices - Section 1 - Bullet 11Refer to your Vehicle Owner's manual for additional vehicle maintenance practices.
    Faq - Question 5Yes. GM Original Equipment fuel pumps have gone through the same rigorous testing and meet the specifications of the production pump your vehicle was built with.
    Fuel Pump Inlet TypeThreaded Female
    Signs Of Wear &#38;#38; Troubleshooting - Section 1 - Bullet 5Signs of wear for electric fuel pumps include but are not limited to:
    Minimum Pressure9
    Part FitmentDirect Fit
    Mounting LocationExternal
    Faq - Question 4Yes. Refer to a parts catalog for specific applications.
    Weight (Lb)1.28
    Maximum Pressure9
    Grade TypeOE
    Vendor Part NumberMU1578
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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