• Exclusive Product Advantages
  •  
    • Premium Quality & Broad Compatibility
    • Quick & Easy Bolt-On Installation
    • Top-Tier Aftermarket Replacement Parts
    • Worry-Free After-Sales Support
    • Precision-Crafted for Perfect Fitment
    • High Performance & Long-Lasting Durability
     
  • Alternator Mounting Position & Core Functions
  •  
  • 7127-SE105 Alternator Fit for Buick Century/Electra/LeSabre 75-82/77-82/77-83

    Exclusive Product Advantages

     

    • Premium Quality & Broad Compatibility
    • Quick & Easy Bolt-On Installation
    • Top-Tier Aftermarket Replacement Parts
    • Worry-Free After-Sales Support
    • Precision-Crafted for Perfect Fitment
    • High Performance & Long-Lasting Durability

     

    Alternator Mounting Position & Core Functions

     

    The alternator is typically mounted at the front of the engine, secured by brackets and driven by the serpentine belt. Its position near the crankshaft pulley ensures stable rotation and efficient power generation while the engine runs. This mounting location also supports heat dissipation and easy access for installation, inspection, and replacement.

     

    As a key component of the vehicle’s electrical system, its core functions include supplying continuous electrical power to the ignition system, fuel injection, lights, audio, electronic control modules, and other onboard devices. Meanwhile, it automatically charges the 12V battery to maintain proper voltage and extend battery life. Without a functional alternator, the battery would quickly drain, leading to stalling and complete electrical failure. A high-quality alternator ensures stable voltage output, reliable performance, and normal operation of all vehicle electronics.

     

    Key Specifications

     

    Amperage Rating:100A/105A
    Decoupled Or Clutch Pulley:No
    Fan Type:EF
    One Wire Capable:1-Wire System
    Plug Clock:3
    Belt Type:V-Belt
    Pulley Groove Quantity:1
    Pulley Included:Yes
    Pulley Type:Conventional
    Regulator Type:IR
    Rotation Direction:CW
    Voltage:12V
    Pulley Class:V1

     

    Compatible Part Numbers

     

    20-102-7,7127-SE105,ADR0335,ADR0151

     

    Vehicle Application

     

    Buick Apollo 1973-1974
    Buick Century 1975-1982
    Buick Electra 1977-1982
    Buick Estate Wagon 1978-1979
    Buick LeSabre 1977-1983
    Buick Regal 1975-1983
    Buick Riviera 1980
    Buick Skylark 1975-1982
    Chevrolet Bel Air 1970-1975
    Chevrolet Blazer 1973-1974
    Chevrolet C10 1975-1982
    Chevrolet C10 Pickup 1973-1974
    Chevrolet C10 Suburban 1973-1983
    Chevrolet C20 1975-1982
    Chevrolet C20 Pickup 1973-1974
    Chevrolet C20 Suburban 1973-1986
    Chevrolet C30 1975-1982
    Chevrolet Camaro 1975-1983
    Chevrolet Caprice 1973-1982
    Chevrolet Chevelle 1973
    Chevrolet Citation 1980-1982
    Chevrolet Citation II 1984-1985
    Chevrolet El Camino 1973-1983
    Chevrolet G10 1975-1982
    Chevrolet G10 Van 1973-1974
    Chevrolet G20 1975-1982
    Chevrolet G20 Van 1973-1974
    Chevrolet G30 1975-1982
    Chevrolet G30 Van 1974
    Chevrolet Impala 1973-1985
    Chevrolet K10 1975-1982
    Chevrolet K10 Pickup 1973-1974
    Chevrolet K10 Suburban 1973-1983
    Chevrolet K20 1975-1982
    Chevrolet K20 Pickup 1973-1974
    Chevrolet K20 Suburban 1970-1982
    Chevrolet K30 1977-1982
    Chevrolet K30 Pickup 1973-1974
    Chevrolet K5 Blazer 1975-1983
    Chevrolet Laguna 1973-1976
    Chevrolet Malibu 1973-1983
    Chevrolet Monte Carlo 1973-1983
    Chevrolet Monza 1975-1980
    Chevrolet Nova 1973-1979
    Chevrolet P10 1975-1978
    Chevrolet P20 1975-1984
    Chevrolet P20 Van 1973-1974
    Chevrolet P30 1976-1985
    Chevrolet P30 Van 1973-1974

     

    Basic Installation Steps for the Alternator

     

    1.Disconnect the negative terminal of the vehicle battery to avoid short circuits and electrical hazards.

    2.Locate the original alternator at the front of the engine, then loosen the serpentine belt tensioner and remove the drive belt.

    3.Disconnect all electrical wiring connectors and terminals attached to the alternator.

    4.Remove the mounting bolts and adjusting brackets that secure the alternator, then take out the old unit.

    5.Position the new alternator correctly, install and tighten the mounting bolts and brackets.

    6.Reattach the drive belt and adjust the belt tension to the proper level.

    7.Reconnect all electrical connectors to the new alternator securely.

    8.Reconnect the vehicle battery, start the engine, and check for normal charging, unusual noise or leakage.

     

    Safety & Installation Instructions

     

    • Disconnect the negative battery cable before installation to avoid short circuits or electrical damage.
    • Adjust the drive belt tension properly. Avoid over-tightening or loosening, which may cause charging issues or bearing damage.
    • Ensure all electrical connectors are securely connected and free of corrosion, oil or dirt.
    • Do not forcibly pry or impact the alternator during installation to prevent structural or internal damage.
    • After installation, start the engine and check for abnormal noise, belt alignment, and normal charging function.

     

    Important Tips

     

    1.It is highly recommended to double-check your vehicle’s make, model, production year, and original equipment (OE) part number before placing an order to ensure perfect compatibility and correct fitment for your automobile.

    2.If you have any questions regarding vehicle compatibility, part selection, or installation procedures, please feel free to contact our professional support team at any time for further assistance.

    3.Prevent unexpected vehicle breakdowns and electrical failures caused by a faulty alternator! Our premium-quality alternator provides quick shipping, precise OEM-style fitment, stable charging performance, and excellent durability for long-term use.



    Payment

    We will only ship to the confirmed shipping address given with the payment.

    We do not offer local pickups.

    Shipping

    1. Orders processed within 24 hours of payment verification.(if you want cancel orders or change address pls contact us within 6 hours after payment,or we are not responsible for shipping a replacement.)

    2. The images shown are not the actual item and are for your reference only.

    3. Fast shipping:All our packages use USPS Package Service

    4. If you have not received your shipment within 15 days from payment , please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

    Returns

    1. You have 7 days to contact us and 10 days to return it from the date it was received.

    2. All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and item custom lable.

    3. We will refund your full winning bid amount, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER both Buyer and Seller cancel the transaction from eBay. OR, you may choose to have a replacement.

    Contact Us

    We are always been trying to provide best service and reliable products for every customer.


    If you are satisfed with the product you recieved,please leave us positive feedback.


    If you are not satisfied for any reason, please do not be quick to leave negative or neutral feedback.We will work hard to make sure every customer 100 percent satisfied, and reslove any problem for you.

    Shop Category
    7127-SE105 Alternator Fit for Buick Century/Electra/LeSabre 75-82/77-82/77-83

    Exclusive Product Advantages

     

    • Premium Quality & Broad Compatibility
    • Quick & Easy Bolt-On Installation
    • Top-Tier Aftermarket Replacement Parts
    • Worry-Free After-Sales Support
    • Precision-Crafted for Perfect Fitment
    • High Performance & Long-Lasting Durability

     

    Alternator Mounting Position & Core Functions

     

    The alternator is typically mounted at the front of the engine, secured by brackets and driven by the serpentine belt. Its position near the crankshaft pulley ensures stable rotation and efficient power generation while the engine runs. This mounting location also supports heat dissipation and easy access for installation, inspection, and replacement.

     

    As a key component of the vehicle’s electrical system, its core functions include supplying continuous electrical power to the ignition system, fuel injection, lights, audio, electronic control modules, and other onboard devices. Meanwhile, it automatically charges the 12V battery to maintain proper voltage and extend battery life. Without a functional alternator, the battery would quickly drain, leading to stalling and complete electrical failure. A high-quality alternator ensures stable voltage output, reliable performance, and normal operation of all vehicle electronics.

     

    Key Specifications

     

    Amperage Rating:100A/105A
    Decoupled Or Clutch Pulley:No
    Fan Type:EF
    One Wire Capable:1-Wire System
    Plug Clock:3
    Belt Type:V-Belt
    Pulley Groove Quantity:1
    Pulley Included:Yes
    Pulley Type:Conventional
    Regulator Type:IR
    Rotation Direction:CW
    Voltage:12V
    Pulley Class:V1

     

    Compatible Part Numbers

     

    20-102-7,7127-SE105,ADR0335,ADR0151

     

    Vehicle Application

     

    Buick Apollo 1973-1974
    Buick Century 1975-1982
    Buick Electra 1977-1982
    Buick Estate Wagon 1978-1979
    Buick LeSabre 1977-1983
    Buick Regal 1975-1983
    Buick Riviera 1980
    Buick Skylark 1975-1982
    Chevrolet Bel Air 1970-1975
    Chevrolet Blazer 1973-1974
    Chevrolet C10 1975-1982
    Chevrolet C10 Pickup 1973-1974
    Chevrolet C10 Suburban 1973-1983
    Chevrolet C20 1975-1982
    Chevrolet C20 Pickup 1973-1974
    Chevrolet C20 Suburban 1973-1986
    Chevrolet C30 1975-1982
    Chevrolet Camaro 1975-1983
    Chevrolet Caprice 1973-1982
    Chevrolet Chevelle 1973
    Chevrolet Citation 1980-1982
    Chevrolet Citation II 1984-1985
    Chevrolet El Camino 1973-1983
    Chevrolet G10 1975-1982
    Chevrolet G10 Van 1973-1974
    Chevrolet G20 1975-1982
    Chevrolet G20 Van 1973-1974
    Chevrolet G30 1975-1982
    Chevrolet G30 Van 1974
    Chevrolet Impala 1973-1985
    Chevrolet K10 1975-1982
    Chevrolet K10 Pickup 1973-1974
    Chevrolet K10 Suburban 1973-1983
    Chevrolet K20 1975-1982
    Chevrolet K20 Pickup 1973-1974
    Chevrolet K20 Suburban 1970-1982
    Chevrolet K30 1977-1982
    Chevrolet K30 Pickup 1973-1974
    Chevrolet K5 Blazer 1975-1983
    Chevrolet Laguna 1973-1976
    Chevrolet Malibu 1973-1983
    Chevrolet Monte Carlo 1973-1983
    Chevrolet Monza 1975-1980
    Chevrolet Nova 1973-1979
    Chevrolet P10 1975-1978
    Chevrolet P20 1975-1984
    Chevrolet P20 Van 1973-1974
    Chevrolet P30 1976-1985
    Chevrolet P30 Van 1973-1974

     

    Basic Installation Steps for the Alternator

     

    1.Disconnect the negative terminal of the vehicle battery to avoid short circuits and electrical hazards.

    2.Locate the original alternator at the front of the engine, then loosen the serpentine belt tensioner and remove the drive belt.

    3.Disconnect all electrical wiring connectors and terminals attached to the alternator.

    4.Remove the mounting bolts and adjusting brackets that secure the alternator, then take out the old unit.

    5.Position the new alternator correctly, install and tighten the mounting bolts and brackets.

    6.Reattach the drive belt and adjust the belt tension to the proper level.

    7.Reconnect all electrical connectors to the new alternator securely.

    8.Reconnect the vehicle battery, start the engine, and check for normal charging, unusual noise or leakage.

     

    Safety & Installation Instructions

     

    • Disconnect the negative battery cable before installation to avoid short circuits or electrical damage.
    • Adjust the drive belt tension properly. Avoid over-tightening or loosening, which may cause charging issues or bearing damage.
    • Ensure all electrical connectors are securely connected and free of corrosion, oil or dirt.
    • Do not forcibly pry or impact the alternator during installation to prevent structural or internal damage.
    • After installation, start the engine and check for abnormal noise, belt alignment, and normal charging function.

     

    Important Tips

     

    1.It is highly recommended to double-check your vehicle’s make, model, production year, and original equipment (OE) part number before placing an order to ensure perfect compatibility and correct fitment for your automobile.

    2.If you have any questions regarding vehicle compatibility, part selection, or installation procedures, please feel free to contact our professional support team at any time for further assistance.

    3.Prevent unexpected vehicle breakdowns and electrical failures caused by a faulty alternator! Our premium-quality alternator provides quick shipping, precise OEM-style fitment, stable charging performance, and excellent durability for long-term use.



    We will only ship to the confirmed shipping address given with the payment.

    We do not offer local pickups.

    1. Orders processed within 24 hours of payment verification.(if you want cancel orders or change address pls contact us within 6 hours after payment,or we are not responsible for shipping a replacement.)

    2. The images shown are not the actual item and are for your reference only.

    3. Fast shipping:All our packages use USPS Package Service

    4. If you have not received your shipment within 15 days from payment , please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

    1. You have 7 days to contact us and 10 days to return it from the date it was received.

    2. All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and item custom lable.

    3. We will refund your full winning bid amount, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER both Buyer and Seller cancel the transaction from eBay. OR, you may choose to have a replacement.

    We are always been trying to provide best service and reliable products for every customer.


    If you are satisfed with the product you recieved,please leave us positive feedback.


    If you are not satisfied for any reason, please do not be quick to leave negative or neutral feedback.We will work hard to make sure every customer 100 percent satisfied, and reslove any problem for you.


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