A4574 12V 180A Alternator Fits VW Touareg, Audi RS4, Audi RS5
Price range: £180.00 through £288.00
Compare the A4574 12V 180A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected VW Touareg, Audi RS4, Audi RS5, Audi S4 models. Identification references include Lucas LRA04574. 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 A4574 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 | 56 mm |
| Mounting holes | 4 qty |
| Position | 90° |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 7.41 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4574 | Dyno Electrics |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | RS4 | 2.9 (2894ccm) Petrol | DECA | B9 | Quattro Avant | 8W5/8WD | 2017 - |
| AUDI | RS5 | 2.9 (2894ccm) Petrol | DECA | Quattro | F53/F5P | 2017 - 2017 | |
| AUDI | RS5 | 2.9 (2894ccm) Petrol | DECA | Quattro Sportback | F5A/F5F | 2018 - | |
| AUDI | S4 | 3.0 (2995ccm) Petrol | CWGD | B9 | Quattro Avant | 8W5 | 2016 - 2017 |
| AUDI | S4 | 3.0 (2995ccm) Petrol | CWGD | B9 | Quattro | 8W2 | 2016 - 2017 |
| AUDI | S5 | 3.0 (2995ccm) Petrol | CWGD | Quattro | F57/F5E | 2016 - 2017 | |
| AUDI | S5 | 3.0 (2995ccm) Petrol | CWGD | Quattro | F53/F5P | 2016 - 2017 | |
| AUDI | S5 | 3.0 (2995ccm) Petrol | CWGD | Quattro Sportback | F5A/F5F | 2016 - 2017 | |
| VW | Touareg | 3.0 (2995ccm) Petrol | DCBE | 4Motion | CR7/RC8 | 2018 - | |
| VW | Touareg | 3.0 (2995ccm) Plug-in Hybrid/petrol | DCBE | 4Motion | CR7/RC8 | 2020 - |
Description
A4574 Replacement Alternator
Start your A4574 alternator comparison with the linked Lucas reference LRA04574 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 VW Touareg 3.0 Petrol 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.
- 4 mounting holes: compare the fixing pattern and unit position.
- M8 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- VW Touareg 3.0 Petrol – selected applications 2018 – (engine code DCBE).
- Audi RS4 2.9 Petrol – selected applications 2017 – (engine code DECA).
- Audi RS5 2.9 Petrol – selected applications 2017–2017 (engine code DECA).
- Audi S4 3.0 Petrol – selected applications 2016–2017 (engine code CWGD).
- Audi S5 3.0 Petrol – selected applications 2016–2017 (engine code CWGD).
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 A4574. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
LRA04574
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 A4574 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 A4574 fit my VW Touareg?
VW Touareg 3.0 Petrol (2018 -) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4574 replace Lucas LRA04574?
Lucas LRA04574 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 A4574?
The listed details include 12V, 180A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4574 new or remanufactured?
Check the current product condition selection for A4574. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4574?
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.
