A4466 12V 180A Alternator Fits Audi A4, Audi A4 Allroad
Price range: £212.09 through £287.28
Identify a replacement alternator using Sahibs A4466, listed at 12V 180A. Listed applications include selected Audi A4, Audi A4 Allroad models. Identification references include Lucas LRA04466, Bosch 125812189, Valeo 439959. Its listed 12V 180A rating provides an electrical matching point for your existing unit. Check the 6-groove pulley, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your A4466 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 180 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 52 mm |
| Mounting holes | 3 qty |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4466 | Dyno Electrics |
| UD91087A | AS-PL |
| 125812189 | BOSCH |
| 439959 | VALEO |
| 439985 | VALEO |
| 440746 | VALEO |
| EG18S022 | VALEO |
| VAL439985 | VALEO |
| 04L903024H | VW |
| 04L903024HX | VW |
| 40748 | CEVAM |
| 2115801802 | DRI |
| 57910 | EAI |
| ALT01016 | ELECTROLOG |
| 28-8575 | ELSTOCK |
| 12090919 | EUROTEC |
| 556581RIV | KUHNER |
| LRA04466 | LUCAS |
| LRA4466 | LUCAS |
| 205.595.180.000 | PSH |
| AU8100 | SNRA |
| 910ST75 | STARTCAR |
| AL04341 | TMI |
| 21946N | WAI / TRANSPO |
Alternative Parts
| Alternative Part | Current Description | Alternative Description | Direct Alternative |
|---|---|---|---|
| A4467 | PULLEY OD 52MM | PULLEY OD 49MM | No |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | A4 | 2.0 (1968ccm) Diesel | DESA/DETA/DFVA | B9 | Avant | 8W5/8WD | 2015 - 2020 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | CZHA/DEUA | B9 | 8W2/8WC | 2015 - | |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUB | B9 | 8W2 | 2015 - 2019 | |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DESA/DETA/DFVA | B9 | 8W2/8WC | 2015 - | |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUB | B9 | Avant | 8W5 | 2015 - 2019 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | CZHA/DEUA | B9 | Avant | 8W5 | 2015 - 2019 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DESA/DETA/DFVA | B9 | Quattro | 8W2/8WC | 2015 - |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DESA/DETA/DFVA | B9 | Quattro Avant | 8W5/8WD | 2015 - 2020 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DETB | B9 | Quattro Avant | 8W5 | 2016 - 2018 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUC | B9 | Avant | 8W5 | 2016 - 2020 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUA | B9 | Quattro Avant | 8W5 | 2016 - 2019 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUC | B9 | 8W2 | 2016 - 2019 | |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DETB | B9 | Quattro | 8W2 | 2016 - 2019 |
| AUDI | A4 | 2.0 (1968ccm) Diesel | DEUA | B9 | Quattro | 8W2 | 2016 - 2019 |
| AUDI | A4 Allroad | 2.0 (1968ccm) Diesel | DEUB | B9 | Quattro Avant | 8WH | 2016 - 2018 |
| AUDI | A4 Allroad | 2.0 (1968ccm) Diesel | DESA/DETA/DFVA | B9 | Quattro Avant | 8WH/8WJ | 2016 - |
| AUDI | A4 Allroad | 2.0 (1968ccm) Diesel | DEUA | B9 | Quattro Avant | 8WH | 2016 - 2019 |
| AUDI | A4 Allroad | 2.0 (1968ccm) Diesel | DETB | B9 | Quattro Avant | 8WH | 2016 - 2019 |
Description
A4466 Replacement Alternator
Start your A4466 alternator comparison with the linked Lucas reference LRA04466 and the specifications shown on this page. The listed electrical rating is 12V 180A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Audi A4 2.0 Diesel variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 180A output: compare the listed rating with the original alternator.
- 6-groove pulley: check belt profile and alignment against the existing unit.
- 3 mounting holes: compare the fixing pattern and unit position.
- M8 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- Audi A4 2.0 Diesel – selected applications 2015–2020 (engine code DESA/DETA/DFVA).
- Audi A4 Allroad 2.0 Diesel – selected applications 2016–2018 (engine code DEUB).
These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.
OE Numbers and Cross-Reference Information
The following cross-reference numbers are associated with A4466. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
125812189, 439959, 439985, 440746, EG18S022, VAL439985, LRA04466, LRA4466
The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.
When Should You Replace Your Alternator?
Charging warning lights, repeated loss of battery charge, dim or fluctuating lights and inconsistent electrical operation can indicate a charging-system problem. Battery condition, wiring and the drive belt can produce similar symptoms; arrange a diagnostic check before replacing the alternator.
Why Buy from Sahibs Auto Electrics?
Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying A4466 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.
Frequently Asked Questions
Will A4466 fit my Audi A4?
Audi A4 2.0 Diesel (2015–2020) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4466 replace Lucas LRA04466?
Lucas LRA04466 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.
What specifications are listed for A4466?
The listed details include 12V, 180A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4466 new or remanufactured?
Check the current product condition selection for A4466. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4466?
Compare 12V compatibility, 180A output, pulley configuration, mounting points and electrical connections with the original alternator.
Does a battery warning light prove the alternator has failed?
No. Battery, belt, wiring and control faults can also affect charging. Use a charging-system test to establish the cause before ordering a replacement.
