140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
Price:
Negotiable
MOQ:
2 pcs
Delivery Time:
5-8 Work Days
Brand:
YIMI
Product Description
Alternator 04C 903 023 K For Audi A3 8V / VW Golf Mk7
The alternator (generator) carrying OEM number 04C 903 023 K is the electrical heart of modern Volkswagen Group petrol engines, including the Audi A3 8V and VW Golf Mk7 1.2 TSI and 1.4 TSI models. This 140A unit converts the engine's mechanical rotation into electrical current, powering everything from the ignition system to the LED headlamps and recharging the battery under all driving conditions.
Product Specifications
| Part Number: | 04C 903 023 K | Product Name: | Alternator |
| Car Model: | Audi A3 8V VW Golf Mk7 | Engine Model: | VAG EA211 |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| Material: | High-strength aluminum alloy & precision bearings | ||
| Cooling Type: | Engine coolant circulation | ||
| Installation: | Direct OEM replacement | ||
| Quality Standard: | OEM equivalent / ISO quality control | ||
Vehicle Applications
This Audi / VW alternator 04C 903 023 K directly replaces the factory unit in the following configurations:
Audi
| Model | Generation | Chassis Code | Years | Engine |
|---|---|---|---|---|
| Audi A3 | 3rd Gen (8V) | 8V1 (Sedan), 8VK (Sportback) | 2012‑2017 | 1.2 TSI, 1.4 TSI |
| Audi A1 | 1st Gen (8X) | 8XA, 8XF, 8XK | 2012‑2018 | 1.2 TFSI / 1.4 TFSI |
Volkswagen
| Model | Generation | Chassis Code | Years | Engine |
|---|---|---|---|---|
| Golf Mk7 | 7th Gen | 5G1 (Hatchback), BQ1 (Estate), BE1, BE2 | 2012‑2020 | 1.2 TSI / 1.4 TSI |
| Golf Variant | 7th Gen | BA5, 5G1 | 2013‑2020 | 1.2 TSI / 1.4 TSI |
| Jetta Mk6 / Mk6.5 | 6th Gen | 162, 163 | 2015‑2018 | 1.4 TSI (with Start‑Stop) |
| Passat | B8 | 3G2, 3G5 | 2014‑2019 | 1.4 TSI / 1.8 TSI |
SEAT / Škoda
| Model | Generation | Years | Engine |
|---|---|---|---|
| SEAT Leon | Mk3 (5F) | 2012‑2018 | 1.2 TSI / 1.4 TSI |
| SEAT Ateca | KH7 | 2016‑2019 | 1.0 TSI / 1.4 TSI |
| Škoda Octavia | Mk3 (5E) | 2012‑2019 | 1.2 TSI / 1.4 TSI |
| Škoda Karoq | NU7 | 2017‑2019 | 1.0 TSI / 1.4 TSI |
| Škoda Yeti | 5L | 2009‑2015 | 1.2 TSI |
Features & Benefits
- Precision 140A Output - Designed for EA211 engines with high electrical loads including EPAS, heated seats, and PTC cabin air heaters
- LIN-Bus Communication - Fully compatible with modern VAG electrical systems for optimal fuel efficiency
- Overrunning Alternator Pulley (OAP) - Extends belt life and prevents belt slap
- OE Supplier Quality - Manufactured by VALEO under IATF 16949 and ISO 9001 certified quality systems
- Direct Fitment - No adapters or wiring modifications required
- 6-Rib Poly-V Belt Compatibility - Matches standard accessory belt drive for EA211 engines
- Enhanced Heat Dissipation - Designed for Start-Stop duty cycles
- No Software Coding Required - Direct replacement without complex programming
Installation & Maintenance
⚠️ IMPORTANT: This alternator is directly driven by the engine's accessory belt and is a key component of the vehicle's electrical charging system. Professional installation by a qualified auto electrician is strongly recommended.
Common Failure Symptoms:
- Red battery icon on instrument cluster while engine is running
- "Check Charging System" or "Battery/Alternator Workshop" message
- Fault codes P0562 (System Voltage Low) or P0622 (Generator Field Control Circuit)
- Dimming headlights or flickering interior lights at idle
- Sluggish engine crank on cold mornings
- Whining noise from the accessory belt area
Packaging & Supply
- Individual packaging: Sealed in anti-static VCI bag, foam-lined carton
- Carton dimensions: Approximately 22 × 18 × 14 cm
- Net weight: Approximately 4.5-5.5 kg
- Master carton: 8 units per export carton
- Lead time: 3-7 working days for stock orders
- Minimum order quantity: 1 piece
- Shipping methods: FedEx, UPS, DHL for samples; sea freight for bulk
- H/S Code: 8511.50
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Yimi (Guangzhou) Automotive Parts Co, Ltd
Location
Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person
James