Audi Q3 2015-2018 Alternator 140A 06J903023R Charging Generator

Audi Q3 140 AMP Alternator

Used alternator / charging generator for selected Audi Q3 2015–2018 applications.

The key identification number for this unit is 06J903023R, with a rated charging output of 140 AMP.

The alternator is driven by the engine auxiliary belt and converts mechanical rotation into electrical energy. It supplies the vehicle's electrical consumers while maintaining battery charge during engine operation.

Supplied as a complete used alternator assembly with pulley, rear electrical connections and regulator assembly as shown in the listing photographs.

⚠ Exact Fitment Check Required

This listing is for an Audi Q3 2015–2018 alternator carrying part number 06J903023R.

Alternators can differ by engine, charging output, pulley design, electrical connector and vehicle equipment even when the housing appears identical.

Match 06J903023R to the original unit and verify the full 17-character vehicle VIN before installation.

Product Identification

Items Included

• 140A alternator assembly
• Multi-rib drive pulley
• Integrated voltage regulator assembly
• B+ output terminal
• Electrical connector housing
• Aluminium mounting housing / lugs
• Components supplied exactly as photographed

Features

• 140 AMP charging output
• Integrated electronic voltage regulation
• Multi-rib serpentine belt pulley
• B+ high-current charging terminal
• Electrical control connector
• Ventilated aluminium casing
• Copper internal windings
• Belt-driven charging generator

Item Specifics

Compatibility

Exact engine code is deliberately not stated because no donor VIN has been supplied. Match the complete part number and vehicle electrical specification before purchase.

Will Not Fit / Do Not Assume

• Do not assume every Audi Q3 2015–2018 uses this alternator.
• Do not purchase using vehicle year alone.
• Do not substitute another amperage rating without verification.
• Pulley specification must match the original unit.
• Electrical connector must match.
• Mounting-lug geometry must match.
• Part number 06J903023R should be verified against the original.
• VIN confirmation is recommended before installation.

Vehicle Body Reference

Used Part Condition

Used dismantled alternator. Expect normal engine-bay dirt, marks, oxidation and handling wear consistent with a previously installed component.

Pulley, mounting casing and rear electrical components are supplied exactly as shown in the listing photographs.

Please inspect all high-resolution photographs before ordering.

Reference Image Gallery

Why Choose a Correctly Matched Factory-Fitted Alternator?

Alternators are engineered around specific mounting geometry, belt alignment, electrical output, voltage regulation and vehicle charging-system requirements.

A correctly matched used factory-fitted component can provide dependable physical fit and electrical compatibility without the uncertainty associated with poorly specified low-cost copies.

Depending on current new-part pricing, premium recycled components may save buyers up to 70%.

Typical Installation Procedure

1. Confirm VIN and 06J903023R compatibility.
2. Confirm the replacement unit is rated at 140A.
3. Switch ignition off.
4. Disconnect the battery negative terminal.
5. Record the auxiliary-belt routing.
6. Release the auxiliary-belt tensioner.
7. Remove the belt from the alternator pulley.
8. Disconnect the electrical control plug.
9. Remove the B+ terminal protective cover.
10. Disconnect the main charging cable.
11. Remove the alternator retaining bolts.
12. Remove the original alternator.
13. Compare pulley, mountings and connections.
14. Fit the replacement alternator.
15. Reconnect electrical connections.
16. Refit the drive belt with correct rib alignment.
17. Reconnect the battery.
18. Start the engine and check charging voltage.
19. Confirm the battery/charging warning lamp extinguishes correctly.

Typical tools: metric socket set, ratchet, spanners, auxiliary-belt tensioner tool, torque wrench and digital multimeter.

Estimated workshop time: approximately 1–2 hours, depending on engine configuration and access.

Professional fitting is available at our repair facility, subject to availability.

Estimated Labour Cost Matrix

Shipping & Delivery

Postage is not free. Buyers pay the calculated shipping charge displayed at checkout.

Worldwide shipping is available where eligible through the eBay Global Shipping Programme, including supported destinations throughout the UK, Europe, USA, Canada, Australia and other international regions.

VAT Margin Scheme

Eligible used components are supplied under the Global VAT Margin Scheme. VAT is not separately charged or claimable on the invoice.

Fitment Verification & Returns

Buyers are strongly advised to compare the exact part number 06J903023R, 140A output specification, pulley, electrical connections and mounting points against the original unit.

High-resolution photographs and exact stamped numbers should be used in addition to the full vehicle VIN rather than relying solely on automated compatibility information.

Returns and any legally permissible reduction for loss of value are handled in accordance with applicable eBay rules and statutory consumer requirements.

How to Find Us / Customer Support

For fitment, condition or delivery questions, contact our team through eBay Messages. Registered business contact information is available within the Business Seller Information section.

For an exact compatibility check, provide the full 17-character VIN and the part number from the alternator currently fitted to your vehicle.

♻️ Reuse • Repair • Recycle 🌍

Reusing a quality alternator keeps substantial quantities of aluminium, copper, steel and electronic components in productive service instead of manufacturing a complete replacement. This helps reduce manufacturing waste, supports the circular automotive economy and supports an independent UK automotive business. 💚🔧🚗