Volkswagen Golf Mk7 alternator 04C 903 023 K - Used original Parts
RM 500
Condition: Used (Original)At a Glance
- Volkswagen Golf Mk7 alternator 04C 903 023 K - Used original Parts
- Part number: 04C 903 023 K
- Fits: Volkswagen Golf MK7 · confirm by chassis number before ordering
- Used Original · tested working
- RM 500 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
Failure of the 04C 903 023 K alternator in the Volkswagen Golf Mk7 platform typically manifests through a red battery icon on the instrument cluster or a "Check Charging System" warning. Technicians often observe fault codes such as P0562 (System Voltage Low) or P0622 (Generator Field Control Circuit) during a diagnostic scan. Physical symptoms include dimming headlights during idling, a sluggish engine crank, or an audible whining noise from the accessory belt area indicating bearing wear. If your vehicle requires frequent jump-starts despite having a healthy battery, the internal voltage regulator or rectifier diodes in the alternator have likely failed.
Introduction
Securing a Genuine used alternator is the most reliable method to restore your vehicle's electrical integrity without the high cost of a brand-new unit. This specific 140A component has been salvaged from low-mileage donor vehicles and subjected to a comprehensive bench test to verify consistent voltage output. Unlike low-quality aftermarket replicas, this Genuine part ensures seamless communication with the Golf Mk7's sophisticated LIN-bus energy management system. Our technicians have inspected the brushes, slip rings, and pulley to ensure this part is ready for immediate bolt-on installation.
Product Details
- Brand: Volkswagen
- Model Compatibility: Golf Mk7 (typically 1.2 / 1.4 TSI engines)
- Part Name: Alternator / Generator
- Part Number: 04C 903 023 K
- Amperage: 140A
- Condition: Genuine Used (Tested Working)
- Notes: Pulley and internal regulator included. Surface may show minor cosmetic oxidation consistent with normal use.
Frequently Asked Questions
What symptoms indicate failure?
The most common signs are a dashboard battery warning light, flickering interior electronics, and a battery that refuses to hold a charge despite being relatively new.
Does this require coding?
The alternator itself does not require software coding. However, if your battery was completely discharged during the failure, you may need to reset the Battery Management System (BMS) using a diagnostic tool to ensure the new charging profile is recognized.
Is this original?
Yes, this is a Genuine Volkswagen factory component. It is built to higher tolerances and provides better heat dissipation than non-genuine alternatives.
Part price does not include installation. Our workshop can install for you, labour is charged separately and confirmed with you before any work starts.
We cannot diagnose your car over WhatsApp or photos. Not sure this part will solve your problem? Come for a workshop check, diagnosis fee RM180. If you proceed with the repair using our parts, the RM180 is offset into the labour charge. If you decide not to repair, only the RM180 applies.
All parts are tested and guaranteed to work. Whether a part solves your car's problem can only be confirmed by diagnosis.
Shipping: from Kuala Lumpur, West Malaysia ~RM50, East Malaysia ~RM80 (estimate, confirm via WhatsApp). Delivery 1-2 working days in secure anti-static packaging.
Warranty: 30-day exchange for control units, engines, gearboxes and other major parts; 14 days for small parts. Claims require proof of installation by a qualified workshop. No warranty for items opened, modified, or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
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