4JA1 Car Engine Alternator Compressor AC Evaporator for Isuzu Dependable Performance
The 4JA1 Alternator is engineered to deliver unmatched performance and reliability for industrial, commercial, and heavy-duty applications. Built with precision and innovation, this high-efficiency alternator combines cutting-edge technology with rugged durability, ensuring consistent power output even in the most demanding environments. Whether you're powering construction equipment, marine systems, or backup energy solutions, the 4JA1 stands as your ultimate partner in productivity.
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1.About us

We are Foshan Fengshunhua Auto Parts Trading Co.,Ltd with 20 years of source supply experience. We focus on recycle original equipment (OE) auto engines and aftermarket replacement parts for machine.

We cover an area of 7,000 square meters with extensive inventory of more than 500 models parts, engine stock is up to 2,500 units.Direct to enjoy the first-hand supply price.

2.Why choose FSH used auto engines?
Because we make buying quality guaranteed engine easy!

FSH recycled original equipment (OE) parts from your vehicle's manufacturer, so you get identical form, fit, and function without compromising the integrity of the product. Each of our undamaged used auto parts that we thoroughly inspect, dismantle, clean, and test before adding to our inventory.You want affordability and uncompromised quality. You've found it with FSH. Recycling auto parts means less raw material processing, keeping our prices low and our communities greener.

3.Why Choose the 4JA1 Alternator?

• Proven Durability: 20,000+ hours MTBF (Mean Time Between Failures) certified.

• Global Compliance: Meets ISO 8528, CE, and UL standards for safety and performance.

• Eco-Conscious Design: Low emissions and recyclable materials align with sustainability goals.

• 24/7 Support: Backed by a 3-month warranty and our worldwide technical network.

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4. Engineered Excellence: Core Technologies

The 4JA1 Alternator redefines reliability through its advanced engineering:

• Intelligent Cooling System: Optimized airflow and heat dissipation extend operational lifespan, even under continuous loads.

• Heavy-Duty Rotor & Stator: Precision-balanced components minimize vibration and noise while maximizing output (up to 98% efficiency).

• Smart Voltage Control: Auto-sensing technology adapts to load fluctuations, protecting connected devices from surges.

• Corrosion-Proof Housing: Reinforced aluminum alloy casing withstands harsh environments, from saltwater exposure to extreme temperatures.

We are Foshan Fengshunhua Auto Parts Trading Co.,Ltd with 20 years of source supply experience. We focus on recycle boutique used original equipment (OE) auto engines and assembly parts. 

We cover an area of 7,000 square meters with extensive inventory of more than 500 models parts, engine stock is up to 10000 units. Direct to enjoy the first-hand supply price without middleman.

Whether you are a used engine wholesaler or retailer, or an auto parts store or auto repair industry, FSH is your most effective partner. We are a supplier of premium original second-hand engines of Japanese and Korean brands, with more than 20 years of experience. All our engines are original brands, not remanufactured or refurbished. At the same time, the quality and performance are excellent. If you have requirements for quality and bulk price, then we can have a good discussion.  

All our engines are double-tested. When they are just removed from the vehicle, they will be started and tested for comprehensive performanceAll our engines are double-tested. When they are just removed from the vehicle, they will be started and tested for comprehensive performance. FSH's meticulous quality control is the main reason why many old customers repurchase, and peace of mind is their evaluation of us