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.