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
AC Service Tap:No
Amperage Rating:160A
Brushless:No
Cooling Method:Air
Decoupled Or Clutch Pulley:No
Fan Type:IF
One Wire Capable:No
Outside Pulley Diameter (mm):64
Plug Clock:11
Polarity:Negative
Belt Type:Serpentine Belt
Pulley Groove Quantity:6
Pulley Included:Yes
Pulley Type:Conventional
Regulator Type:IR
Rotation Direction:CW
Voltage:12V
Pulley Class:S6
Compatible Part Numbers
113774, 15093928, 15857608, 15905871, 25877026, 400-12253, ADR0369, 334-2742A, 8301N, 8301
Vehicle Application
Cadillac Escalade 2007-2008 All Engine
Cadillac Escalade 2009-2009 V8 6.0L w/ Optional Equipment
Cadillac Escalade 2009-2010 V8 6.2L w/ Optional Equipment
Cadillac Escalade 2011-2014 V8 6.2L
Cadillac Escalade ESV 2007-2014 All Engine
Cadillac Escalade EXT 2007-2013 All Engine
Chevrolet Avalanche 2007-2013 V8 5.3L
Chevrolet Avalanche 2007-2009 V8 6.0L w/ Optional Equipment
Chevrolet Silverado 1500 2007-2009 All Engine
Chevrolet Silverado 1500 2010-2013 All Exc. V8 6.0L
Chevrolet Silverado 2500 HD 2007-2009 All Engine
Chevrolet Silverado 2500 HD 2010-2014 V8 6.0L
Chevrolet Silverado 3500 HD 2007-2009 All Engine
Chevrolet Silverado 3500 HD 2010-2014 V8 6.0L
Chevrolet Suburban 1500 2007-2014 V8 5.3L
Chevrolet Suburban 1500 2007-2009 V8 6.0L w/ Optional Equipment
Chevrolet Suburban 2500 2007-2010 V8 6.0L w/ Optional Equipment
Chevrolet Suburban 2500 2011-2013 V8 6.0L
Chevrolet Tahoe 2007-2009 V8 4.8L w/ Optional Equipment
Chevrolet Tahoe 2007-2014 V8 5.3L
Chevrolet Tahoe 2009-2009 V8 6.0L w/ Optional Equipment
Chevrolet Tahoe 2009-2009 V8 6.2L w/ Optional Equipment
GMC Sierra 1500 2007-2008 All Engine
GMC Sierra 1500 2009-2013 V6 4.3L
GMC Sierra 1500 2009-2013 V8 4.8L
GMC Sierra 1500 2009-2013 V8 5.3L
GMC Sierra 1500 2009-2009 V8 6.0L Only Fit Gas
GMC Sierra 1500 2009-2013 V8 6.2L
GMC Sierra 2500 HD 2007-2009 All Engine
GMC Sierra 2500 HD 2010-2014 V8 6.0L
GMC Sierra 3500 HD 2007-2009 All Engine
GMC Sierra 3500 HD 2010-2014 V8 6.0L
GMC Yukon 2007-2009 V8 4.8L w/ Optional Equipment
GMC Yukon 2007-2014 V8 5.3L
GMC Yukon 2009-2010 V8 6.0L w/ Optional Equipment
GMC Yukon 2007-2008 V8 6.2L
GMC Yukon 2009-2010 V8 6.2L w/ Optional Equipment
GMC Yukon 2011-2014 V8 6.2L
GMC Yukon XL 1500 2007-2014 V8 5.3L
GMC Yukon XL 1500 2007-2009 V8 6.0L w/ Optional Equipment
GMC Yukon XL 1500 2007-2008 V8 6.2L
GMC Yukon XL 1500 2009-2010 V8 6.2L w/ Optional Equipment
GMC Yukon XL 1500 2011-2014 V8 6.2L
GMC Yukon XL 2500 2007-2010 V8 6.0L w/ Optional Equipment
GMC Yukon XL 2500 2011-2013 V8 6.0L
Hummer H2 2008-2009 V8 6.2L
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.