A4508 12V 140A Alternator Fits Audi RS3, Audi RSQ3
Price range: £150.94 through £199.97
Sahibs A4508 is a replacement alternator with a listed 12V 140A rating. Listed applications include selected Audi RS3, Audi RSQ3 models. Identification references include Lucas LRA04508, Bosch F000BL08G3. Its listed 12V 140A rating provides an electrical matching point for your existing unit. Check the 5-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 A4508 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 140 A |
| Volt | 12 V |
| No. of Grooves | 5 qty |
| Pulley Diameter | 55.8 mm |
| Mounting holes | 4 qty |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 6.8 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4508 | Dyno Electrics |
| 07K903023G | Volkswagen AG |
| 07K903023GX | Volkswagen AG |
| 21879N | WAI |
| 305313140 | PSH |
| F000BL08G3 | Bosch |
| F000BL08G4 | Bosch |
| LRA04508 | Lucas |
| LRA4508 | Lucas |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | RS3 | 2.5 (2480ccm) Petrol | CZGB | Quattro Sportback | 8VA | 2015 - 2016 | |
| AUDI | RSQ3 | 2.5 (2480ccm) Petrol | CZGA | Quattro | 8UB/8UG | 2013 - 2018 | |
| AUDI | RSQ3 | 2.5 (2480ccm) Petrol | CZGB | Quattro | 8UG | 2016 - 2018 |
Description
A4508 Replacement Alternator
Choose a replacement by comparing the A4508 alternator and its Lucas reference, LRA04508, with your existing unit. The listed electrical rating is 12V 140A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Audi RS3 2.5 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 140A output: compare the listed rating with the original alternator.
- 5-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
- Audi RS3 2.5 Petrol – selected applications 2015–2016 (engine code CZGB).
- Audi RSQ3 2.5 Petrol – selected applications 2013–2018 (engine code CZGA).
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 A4508. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
F000BL08G3, F000BL08G4, LRA04508, LRA4508
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 A4508 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 A4508 fit my Audi RS3?
Audi RS3 2.5 Petrol (2015–2016) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4508 replace Lucas LRA04508?
Lucas LRA04508 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 A4508?
The listed details include 12V, 140A output, 5 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4508 new or remanufactured?
Check the current product condition selection for A4508. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4508?
Compare 12V compatibility, 140A 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.
