Hella Alternator - 12V
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eBayHella 8EL012427-781 Alternator Fits Audi VW 100 80 A4 A6 A8 Cabriolet Passat
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Product Information
Full details
This guide is for Audi owners seeking a reliable replacement alternator for specific 80 B4, A6 C4, and Cabriolet B3 models with 2.3L to 2.8L engines. The key benefit is OE-quality performance and exact fitment, ensuring consistent power delivery. A potential caveat is the need to verify specific vehicle compatibility and pulley measurements before purchase.
All features
| Model Part Number | 8EL 012 427-781 |
|---|---|
| Brand | Hella |
Extended Product Information
FAQs
What does the 90A charging current mean?
The 90A (amperes) indicates the maximum current the alternator can produce to charge the battery and power the vehicle's electrical systems.
How do I confirm this alternator fits my Audi?
Verify your Audi's exact model, year, and engine size. Compare the part number 8EL 012 427-781 and OEM cross-references (like AUDI: 078 903 015) with your vehicle's original part. Also, check that the pulley specifications (6-groove, 65mm) match.
What type of belt does this alternator use?
This alternator features a 6-groove, 65mm pulley designed for a V-ribbed belt.
Is this alternator a direct replacement for all Audi models?
No, this alternator is specifically designed for certain Audi 80 B4, A6 C4, and Cabriolet B3 models with 2.3L to 2.8L engines. Always verify compatibility.
What is the voltage of this alternator?
This is a 12V alternator, compatible with standard automotive electrical systems.
How often should I check my alternator?
Alternators typically do not require regular maintenance. However, it's advisable to inspect the drive belt and listen for unusual noises during routine vehicle checks.
Troubleshooting
Battery warning light remains illuminated
Check electrical connections to the alternator and ensure the drive belt is properly tensioned and not slipping. Verify the alternator is correctly installed and functioning.
Dimming headlights or electrical components not functioning at full power
This may indicate insufficient charging. Check belt tension and inspect for any damage. If the belt is fine, the alternator may be failing and require replacement.
Unusual noises (whining, grinding) coming from the alternator
This could indicate worn bearings or a faulty pulley. The alternator may need to be replaced.
Alternator not charging the battery sufficiently
Ensure the correct part number for your vehicle is installed. Check all electrical connections and battery health. If all else fails, the alternator may be defective.
Pros and Cons
Pros
- Meets Original Equipment (OE) quality standards
- Ensures reliable charging performance
- Designed for specific Audi model fitment
- Robust construction for durability
- 90A charging capacity suitable for many applications
Cons
- Requires verification of compatibility before purchase
- Pulley specifications (6-groove, 65mm) must match existing setup
- Not a universal fit for all vehicles
- Installation may require specialized tools or knowledge
Setup, Compatibility & Care
Setup: Installation of the Hella Alternator requires mechanical knowledge and potentially specialized tools. Ensure the vehicle's battery is disconnected before beginning installation. Mount the alternator securely according to the vehicle's service manual specifications. Connect the wiring harness and ensure the belt is properly tensioned on the 6-groove, 65mm pulley.
Compatibility: This alternator is specifically designed for Audi models 80 B4, A6 C4, and Cabriolet B3, primarily with 2.3L to 2.8L engines. It is crucial to cross-reference the part number (8EL 012 427-781) with your vehicle's original equipment manufacturer (OEM) part numbers (e.g., AUDI: 078 903 015, 078 903 015 B, 078 903 015 D, 078 903 015 DX, 078 903 016 A, 078 903 016 AX, 078 903d) and to confirm the pulley size and belt type match your existing setup.
Care: Alternators are generally maintenance-free. However, it's good practice to periodically check the drive belt for wear and proper tension. Keep the alternator clean from excessive dirt and debris. Listen for any unusual noises, such as whining or grinding, which could indicate bearing issues.