banner

High Output Car Alternator

1、Application: For Mercedes-Benz vehicles, including E-Class and C-Class.
2、Compatibility: Fits OEM numbers 0124515041, 0124515046, 0124515048, 0124515060, 0124515063, 0124515212, 0986042550, 1986A00183, CA1689IR, CA2076IR, 1-2521-01BO, 1252101BO, 125101BO1, 14001N, 0111546602, 0111546802, 011154680280, 0111547202, 011154720280, 0111549202, 0121540002, A0111546602, A0111546802, A0111546802, A0111547202, A011154720280, A0111549202, A0121540002.
3、Performance: 12V 120A alternator with 6PK pulley and 55mm diameter for stable charging and reliable power supply.
4、Reliability: Durable design ensures long-lasting performance comparable to original equipment.
5、Quality: Made by XITU with 100% brand-new, high-quality components.
Send Inquiry Download
  • Product Description

High Output Car Alternator - 12V 120A Premium Performance Solution

Our High Output Car Alternator provides consistent, sustained power beyond manufacturing restrictions. Over 20 years of manufacturing experience go into this 12V 120A alternator for Mercedes-Benz E-Class and C-Class cars from Wuxi Xitu Industry and Trade Co., Ltd.

In our 20,000 m² IATF 16949-certified factory, this device is made with 50+ precision equipment and a 6PK pulley with 55mm diameter for reliable charging. Our over 500,000-unit production capacity ensures quality through thorough testing. To ensure durability under harsh situations, every product undergoes load curve analysis and thermal endurance testing.

High Output Car Alternator - 12V 120A Premium Performance Solution

What Makes Our High Output Car Alternator Different?

A product is an advanced electrical generator designed to exceed standard OEM specifications. Unlike factory units that handle basic vehicle electronics, our solution utilizes high-density copper windings and oversized rectifiers.

This design eliminates critical issues like voltage sag at idle and premature battery failure. You'll experience stable voltage even under extreme electrical loads from aftermarket accessories.

Our engineering team has optimized the internal regulator system to maintain consistent power delivery. Whether you're running professional audio equipment or auxiliary lighting, the alternator adapts automatically to your vehicle's demands.

High Output Car Alternator - 12V 120A Premium Performance Solution

Technical Specifications

ParameterDescription
Voltage12V
Output120A
Pulley Type6PK (6-rib serpentine)
Pulley Diameter55mm
Housing MaterialAluminum alloy
WindingsHigh-grade copper
RegulatorBuilt-in voltage regulator
ProtectionFully sealed, dust & water resistant
MountingOEM-standard bracket system
Operating Temperature-40°C to +85°C
CertificationsIATF 16949, ISO 9000
Warranty6 months
OEM Compatibility0124515041, 0124515046, 0124515048, 0124515060, A0111546602, CA1689IR, and 20+ more part numbers

Key Applications and Use Cases

Premium European Vehicle Service

Our alternator perfectly matches Mercedes-Benz E-Class and C-Class electrical requirements. If you maintain or repair luxury European vehicles, this unit provides OEM-equivalent reliability.

High-Demand Electrical Systems

Do you operate vehicles with upgraded audio systems or additional lighting? This High Output Car Alternator maintains battery health even with continuous high-draw accessories.

Fleet and Commercial Operations

Service vehicles idling for extended periods benefit from our alternator's thermal management design. Mobile workstations and utility trucks can power tools without draining the battery.

Off-Road and Expedition Vehicles

When you're running winches, refrigerators, or communication equipment in remote locations, consistent charging becomes critical. Our sealed, weather-resistant construction withstands harsh environments.

High Output Car Alternator - 12V 120A Premium Performance Solution

Manufacturing Excellence and Quality Assurance

Every unit leaving our facility meets strict international automotive standards. Our 50+ precision machines handle critical manufacturing processes with microscopic tolerances.

We conduct computerized load curve testing from 1,000 to 6,000 shaft RPM on each alternator. Ripple voltage analysis ensures AC leakage stays below 50mV to protect sensitive vehicle electronics.

Thermal endurance soaking at 100°C+ verifies insulation and diode integrity under extreme conditions. Rotor balance testing prevents harmonic vibrations that cause premature bearing failure.

Our in-house R&D team continuously refines product design based on real-world performance data. You receive not just a component, but a solution backed by two decades of automotive electrical expertise.

The 6-month warranty covers any non-human-induced quality issues with professional service or free replacement. This commitment reflects our confidence in manufacturing standards.

Installation and Compatibility Advantages

Perfect OEM Fit

Compatible with 25+ OEM part numbers including 0124515041, 0986042550, A0111546802, and CA2076IR. You can cross-reference your existing unit for guaranteed compatibility.

Standard Mounting System

The alternator uses factory bracket configurations for straightforward installation. No custom fabrication or modification is required for proper fitment.

Plug-and-Play Electrical Connection

Wiring harnesses match original equipment specifications exactly. Your technicians can complete installation using standard procedures and tools.

Pulley Optimization

The 6PK, 55mm pulley balances output at idle with high-RPM performance. This sizing ensures adequate charging when the vehicle is stationary while preventing belt slip at highway speeds.

High Output Car Alternator - 12V 120A Premium Performance Solution

Why Choose XITU as Your Supply Partner?

Proven International Track Record

We offer alternators and starters to various worldwide automakers. Our products work dependably across North America, South America, Europe, Russia, and more.

Scalable Production Capacity

We fulfil huge OEM and aftermarket orders with 500,000+ units each year. Stable lead times aid inventory planning.

Comprehensive Testing Protocol

Beyond industry-standard standards, we add quality checks. All products are inspected before packing.

Customer-Focused Technical Support

Our committed team answers application, installation, and troubleshooting problems quickly. Buy a product, get a technical partner.

Customization Capabilities

Need regional market-specific changes? Professional OEM/ODM services from our technical team fulfil your specific needs.

FAQ

Q: Can this alternator suit my Mercedes-Benz model year?

A: This item suits E-Class and C-Class cars with OEM numbers. Fit your alternator by checking its part number against our compatibility list.

Q: Must I upgrade my product wiring?

A: For this 120A device replacing a similar-output factory alternator, your wiring usually works. Consider updating the battery, chassis, and alternator cables to securely manage higher current if you've added large electrical accessories.

Q: How does the voltage regulator prevent overcharging?

A: The inbuilt regulator checks battery voltage and gives just the current needed to maintain optimal charge levels. Electrical demand and battery status automatically adjust output.

Q: When the engine becomes heated, why does output drop?

A: Heat raises resistance in all alternators, causing thermal fading. During lengthy operation, our aluminium housing and optimised ventilation reduce efficiency loss.

Q: How do I pick the proper vehicle amperage?

A: Divide total watts by 13.8V and add 20% safety buffer to get peak electrical draw. For most Mercedes E-Class and C-Class with mild accessories, 120A is sufficient.

Q: What's in the 6-month warranty?

A: Manufacturing faults and component failures not caused by poor installation, electrical system difficulties, or physical damage are covered. Service comprises expert repair or replacement under warranty.

Contact Us

Ready to upgrade your vehicle's charging system with High Output Car Alternator? Our team is here to answer technical questions and process your order efficiently.

Email: arisa@xitu-auto.com

Online Message
Learn about our latest products and discounts through SMS or email