Valeo 849121 Alternator

Overview of Valeo Alternator 849121 for Nissan Vehicles

The Valeo Alternator 849121 is designed to provide reliable electrical charging for select Nissan models. Engineered with a 12-volt system and internal fan type, this alternator supports efficient power generation for vehicles like the Nissan Cube, NV200, Sentra, and Versa.

• Voltage: 12V
• Internal fan for optimized cooling
• Clockwise rotation direction
• 6-groove pulley for secure belt engagement
• Durable aluminum housing
• Internal voltage regulator
• Amperage rating of 110A
• Technical number: Fg12t039

Detailed Features and Specifications

This Valeo Alternator 849121 is part of the Alternator product line, known for integrating essential components such as internal regulators and cooling fans to maintain consistent electrical output. The internal fan design helps dissipate heat effectively, ensuring stable operation under various driving conditions. The aluminum housing offers lightweight durability and corrosion resistance, which contributes to the alternator's longevity. With a clockwise rotation and a 6-groove pulley, this alternator is engineered to match the belt system of compatible Nissan models precisely. The 110-amp amperage rating supports the electrical demands of modern vehicles, including lighting, infotainment, and engine management systems.

Compatible Nissan Models and Applications

This alternator is compatible with the following Nissan vehicles:

• Nissan Cube
• Nissan NV200
• Nissan Sentra
• Nissan Versa

It is designed to replace worn or faulty alternators in these models, ensuring proper charging system performance and battery maintenance.

Common Issues Addressed by Valeo Alternator 849121

• Battery not charging or frequent battery drain
• Dimming or flickering vehicle lights
• Warning lights related to the charging system on the dashboard
• Unusual noises from the alternator pulley or fan
• Electrical system malfunctions due to inconsistent voltage output

Installation Notes and Tips

When installing the Valeo Alternator 849121, ensure the vehicle battery is disconnected to prevent electrical shorts. Verify the pulley groove count and rotation direction match the vehicle’s belt system. Properly torque mounting bolts and reconnect all electrical connectors securely. It is recommended to inspect the drive belt for wear and replace if necessary to maintain optimal alternator performance.

Quality Assurance and Warranty

Valeo alternators are manufactured to meet OEM standards, using quality materials such as aluminum housing and internal regulators for reliable operation. This alternator includes a technical number Fg12t039 for precise identification. While specific warranty details may vary, Valeo products typically come with a limited warranty covering defects in materials and workmanship.