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140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
Specifications
B+ Terminal :
M8 (8mm)
Brand Name :
YIMI
Model Number :
Audi A3 8V VW Golf Mk7 1.2 1.4 TSI
Supply Ability :
10000 pcs/month
Price :
Negotiable
Payment Terms :
T/T,Western Union
Packaging Details :
Neutral Package or as customers’ request
Voltage :
12V
Current Rating :
140 Amps
Plug Position :
12 o'clock orientation
Certification :
ISO/TS16949
Place of Origin :
China
MOQ :
2 pcs
Cooling Type :
Engine coolant circulation
Material :
High-strength aluminum alloy
Delivery Time :
5-8 Work Days
Pulley Type :
Freewheel belt pulley (OAP)
Number of Ribs :
6-groove
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.
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
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
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140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf

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Product Detail
B+ Terminal :
M8 (8mm)
Brand Name :
YIMI
Model Number :
Audi A3 8V VW Golf Mk7 1.2 1.4 TSI
Supply Ability :
10000 pcs/month
Price :
Negotiable
Payment Terms :
T/T,Western Union
Contact Supplier
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf
140A Output Alternator 04C 903 023 K with LIN-Bus Communication and Overrunning Pulley for Audi A3 VW Golf

Yimi (Guangzhou) Automotive Parts Co, Ltd

Verified Supplier
3 Years
guangzhou
Since 2005
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Isuzu Cars Parts, Isuzu Engine Parts, Isuzu Chassis Parts
Total Annual :
8000000-10000000
Employee Number :
100~150
Certification Level :
Verified Supplier
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