A4657 12V 220A Alternator Fits Alfa Romeo Giulia, Alfa Romeo Stelvio
Price range: £172.90 through £231.42
The A4657 12V 220A Alternator is a replacement charging unit from Sahibs Auto Electrics. Listed applications include selected Alfa Romeo Giulia, Alfa Romeo Stelvio models. Identification references include Lucas LRA04657, Denso 104211-1230. Its listed 12V 220A 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 A4657 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 220 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 54 mm |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 7.55 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4657 | Dyno Electrics |
| UD102221A | AS-PL |
| 104211-1230 | DENSO |
| 50553764 | FIAT |
| AEK4408 | AUTOELECTRO |
| CAL40019AS | CASCO |
| CAL40019GS | CASCO |
| 40931 | CEVAM |
| 2183292202 | DRI |
| 28-8780 | ELSTOCK |
| 20040019OV | ITAB AUTOMOTIVE |
| 556502RI | KUHNER |
| LRA04657 | LUCAS |
| LRA4657 | LUCAS |
| 105.530.220.260 | PSH |
| 20132910OE | REAL |
| 2040019.1 | SANDO |
| ALT420190 | SIOM |
| AL04661 | TMI |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| ALFA ROMEO | Giulia | 2.2 (2143ccm) Diesel | 46335975/55266388/55268532/55284636 | 952AGA25/952AGA250/952AGM25/952AGM250/952ASA2/952ASM2 | 2015 - 2018 | ||
| ALFA ROMEO | Stelvio | 2.2 (2143ccm) Diesel | 46346359/55271838/55284529 | Q4 | 949AXB2A | 2016 - 2018 | |
| ALFA ROMEO | Stelvio | 2.2 (2143ccm) Diesel | 55275156 | 949AXC1A | 2016 - 2018 | ||
| ALFA ROMEO | Stelvio | 2.2 (2143ccm) Diesel | 55271838 | Q4 | 949AXE2A | 2016 - 2018 | |
| ALFA ROMEO | Stelvio | 2.2 (2143ccm) Diesel | 55275156 | 949AXD1A | 2016 - 2018 |
Description
A4657 Replacement Alternator
Choose a replacement by comparing the A4657 alternator and its Lucas reference, LRA04657, with your existing unit. The listed electrical rating is 12V 220A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Alfa Romeo Giulia 2.2 Diesel variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 220A output: compare the listed rating with the original alternator.
- 6-groove pulley: check belt profile and alignment against the existing unit.
- Lucas LRA04657 reference: a starting point for identifying the replacement.
Compatible Vehicles and Applications
- Alfa Romeo Giulia 2.2 Diesel – selected applications 2015–2018 (engine code 46335975/55266388/55268532/55284636).
- Alfa Romeo Stelvio 2.2 Diesel – selected applications 2016–2018 (engine code 46346359/55271838/55284529).
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 A4657. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
104211-1230, LRA04657, LRA4657
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 A4657 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 A4657 fit my Alfa Romeo Giulia?
Alfa Romeo Giulia 2.2 Diesel (2015–2018) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4657 replace Lucas LRA04657?
Lucas LRA04657 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 A4657?
The listed details include 12V, 220A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4657 new or remanufactured?
Check the current product condition selection for A4657. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4657?
Compare 12V compatibility, 220A 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.
