A4557 12V 230A Alternator Fits Bmw 330d, Bmw 335d, Bmw 430d
Price range: £181.31 through £247.25
Identify a replacement alternator using Sahibs A4557, listed at 12V 230A. Listed applications include selected BMW 330d, BMW 335d, BMW 430d, BMW 430d Coupe models. Identification references include Lucas LRA04557, Valeo 439794, Delco Remy DRA1872. Its listed 12V 230A 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 A4557 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 230 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 55 mm |
| Mounting holes | 3 qty |
| Position | -95° |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 7.21 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4557 | Dyno Electrics |
| 12318509226 | BMW |
| 12318509227 | BMW |
| 12318570675 | BMW |
| 12318570676 | BMW |
| 14201402 | AES |
| 215578220 | PSH |
| 439794 | Valeo |
| 440434 | Valeo |
| 610050 | Valeo |
| ALT14551 | Wood Auto |
| DRA1872 | Delco Remy |
| FG23S041 | Valeo |
| FGN23S041 | Valeo |
| LRA04557 | Lucas |
| LRA4557 | Lucas |
| VAL439794 | Wood Auto |
| VALFG23S041 | Wood Auto |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F31 | Touring | 2012 - 2019 | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F30 | 2012 - 2018 | ||
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F31 | Touring Van | 2012 - 2019 | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F30 | xDrive | 2013 - 2018 | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F31 | xDrive Touring | 2013 - 2019 | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F31 | xDrive Touring Van | 2013 - 2019 | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F34 | xDrive Gran Turismo | 2014 - | |
| BMW | 330d | 3.0 (2993ccm) Diesel | N57D30A | F34 | Gran Turismo | 2014 - | |
| BMW | 335d | 3.0 (2993ccm) Diesel | N57D30B | F31 | xDrive Touring | 2013 - 2019 | |
| BMW | 335d | 3.0 (2993ccm) Diesel | N57D30B | F30 | xDrive | 2013 - 2018 | |
| BMW | 335d | 3.0 (2993ccm) Diesel | N57D30B | F34 | xDrive Gran Turismo | 2014 - | |
| BMW | 430d | 3.0 (2993ccm) Diesel | N57D30A | F33 | 2014 - 2020 | ||
| BMW | 430d | 3.0 (2993ccm) Diesel | N57D30A | F36 | xDrive Gran Coupe | 2014 - 2020 | |
| BMW | 430d | 3.0 (2993ccm) Diesel | N57D30A | F36 | Gran Coupe | 2014 - 2020 | |
| BMW | 430d Coupe | 3.0 (2993ccm) Diesel | N57D30A | F32 | 2013 - 2020 | ||
| BMW | 430d Coupe | 3.0 (2993ccm) Diesel | N57D30A | F32 | xDrive | 2014 - 2020 | |
| BMW | 435d | 3.0 (2993ccm) Diesel | N57D30B | F33 | xDrive | 2014 - 2020 | |
| BMW | 435d | 3.0 (2993ccm) Diesel | N57D30B | F36 | xDrive Gran Coupe | 2014 - 2020 | |
| BMW | 435d Coupe | 3.0 (2993ccm) Diesel | N57D30B | F32 | xDrive | 2013 - 2020 | |
| BMW | X5 30d | 3.0 (2993ccm) Diesel | N57D30A | F15 | xDrive | 2013 - 2018 | |
| BMW | X5 40d | 3.0 (2993ccm) Diesel | N57D30B | F15 | xDrive | 2013 - 2018 | |
| BMW | X5 M50d | 3.0 (2993ccm) Diesel | N57D30C | F15 | xDrive | 2013 - 2018 | |
| BMW | X6 30d | 3.0 (2993ccm) Diesel | N57D30A | F16 | xDrive | 2014 - 2019 | |
| BMW | X6 40d | 3.0 (2993ccm) Diesel | N57D30B | F16 | xDrive | 2014 - 2019 | |
| BMW | X6 M50d | 3.0 (2993ccm) Diesel | N57D30C | F16 | xDrive | 2014 - 2019 |
Description
A4557 Replacement Alternator
For a A4557 alternator enquiry, use Lucas reference LRA04557 alongside the vehicle and original unit details. The listed electrical rating is 12V 230A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected BMW 330d 3.0 Diesel variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 230A 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
- BMW 330d 3.0 Diesel – selected applications 2012–2019 (engine code N57D30A).
- BMW 335d 3.0 Diesel – selected applications 2013–2019 (engine code N57D30B).
- BMW 430d 3.0 Diesel – selected applications 2014–2020 (engine code N57D30A).
- BMW 430d Coupe 3.0 Diesel – selected applications 2013–2020 (engine code N57D30A).
- BMW 435d 3.0 Diesel – selected applications 2014–2020 (engine code N57D30B).
- BMW 435d Coupe 3.0 Diesel – selected applications 2013–2020 (engine code N57D30B).
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 A4557. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
439794, 440434, 610050, FG23S041, FGN23S041, LRA04557, LRA4557, DRA1872
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 A4557 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 A4557 fit my BMW 330d?
BMW 330d 3.0 Diesel (2012–2019) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4557 replace Lucas LRA04557?
Lucas LRA04557 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 A4557?
The listed details include 12V, 230A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4557 new or remanufactured?
Check the current product condition selection for A4557. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4557?
Compare 12V compatibility, 230A 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.
