Genuine Valeo Alternator - MPN: 439961
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Alternator with freewheel belt pulley 439961 VALEO for SAAB OPEL CHEVROLETFree delivery in 1–3 days£274.33Visit shop →
ALTERNATOR 439961 FOR HOLDEN VAUXHALL ZAFIRA/Mk/III ASTRA/VI CASCADA INSIGNIAFree delivery in 1–3 days£287.87Visit shop →
Product Information
Full details
This genuine Valeo alternator, part number 439961, is designed for vehicle owners and mechanics seeking a reliable replacement for specific Opel, Vauxhall, Chevrolet, and General Motors vehicles. Its key benefit is delivering a consistent 140A charging current to keep your vehicle's electrical system powered. A potential caveat is that it requires professional installation due to its integrated nature within the vehicle's charging system.
All features
| Model Part Number | 439961 |
|---|---|
| Brand | Valeo |
Extended Product Information
FAQs
Is this alternator new or remanufactured?
This is a new part, without deposit, as stated in the product description.
What is the charging current of this alternator?
The alternator has a charging current of 140 Amperes (A).
Does this alternator come with a pulley?
Yes, it comes with a belt pulley that features a freewheel mechanism and has a diameter of 55 mm.
What is the voltage of this alternator?
The alternator operates at a voltage of 14 Volts (V).
How do I know if this Valeo alternator is compatible with my car?
You should verify the OEM part numbers listed (OPEL: 1204623, 13502581, 13588306, 95515963; VAUXHALL: 13502581, 13588306, 95515963; CHEVROLET: 13512753, 13588306, 84178065; GENERAL MOTORS: 84178065) against your vehicle's existing part number or consult a professional mechanic.
What does 'Fastening Type: Double Pivot Lever' mean?
This describes the mounting system of the alternator, indicating it uses a double pivot lever mechanism for secure attachment to the engine block.
What is the rotation direction?
The alternator is designed for clockwise rotation.
How heavy is this alternator?
The alternator weighs approximately 6.39 kilograms (kg).
Troubleshooting
Vehicle battery not charging or charging poorly.
Check the battery connections for corrosion or looseness. Inspect the serpentine belt for wear or improper tension. A faulty alternator will need replacement.
Warning light on dashboard (battery or check engine light).
This often indicates an issue with the charging system. A diagnostic scan may be required to pinpoint if the alternator is failing or if another component is at fault.
Whining or grinding noise from the alternator area.
This could indicate worn bearings within the alternator or an issue with the pulley. The alternator may require replacement.
Alternator overheating.
Ensure ventilation openings are clear of debris. Check the drive belt for correct tension, as a loose belt can cause the alternator to work harder. If the problem persists, the alternator may be internally faulty.
Pros and Cons
Pros
- Genuine Valeo part for guaranteed quality and fitment.
- High 140A charging capacity meets demanding electrical needs.
- Includes a freewheel pulley for enhanced component longevity.
- Direct replacement for multiple OEM part numbers, simplifying selection.
Cons
- Requires professional installation.
- Specific fitment for particular vehicle models only.
- Weight of 6.39kg may require careful handling during installation.
Setup, Compatibility & Care
Compatibility: This Valeo alternator, MPN 439961, is a direct replacement for specific OEM part numbers including OPEL: 1204623, 13502581, 13588306, 95515963; VAUXHALL: 13502581, 13588306, 95515963; CHEVROLET: 13512753, 13588306, 84178065; and GENERAL MOTORS: 84178065. Always verify your vehicle's existing part number and consult a professional or vehicle manual to confirm fitment before purchasing.
Setup: Installation of an alternator is a complex procedure that involves disconnecting the battery, removing drive belts, unmounting the old alternator, and securely mounting the new one. Proper alignment and tensioning of the drive belt are critical. Due to the electrical nature of the component and its integral role in the vehicle's power system, professional installation by a qualified mechanic is strongly recommended to ensure safety and correct operation.
Care: Alternators are largely maintenance-free components. However, ensuring the serpentine belt is in good condition and properly tensioned will prolong the alternator's life. Keep the alternator clean from excessive dirt and debris, especially around the pulley and ventilation openings, to prevent overheating and ensure efficient operation. Regular visual inspections of the drive belt and connections are advisable.