A4578 12V 150A Alternator Fits Ford Ecosport, Ford Focus
Price range: £134.17 through £180.61
Compare the A4578 12V 150A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected Ford Ecosport, Ford Focus, Ford Focus Estate/Wagon models. Identification references include Lucas LRA04578. Its listed 12V 150A 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 A4578 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 150 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 52 mm |
| Mounting holes | 4 qty |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 6 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA4578 | Dyno Electrics |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| FORD | Ecosport | 1.5 (1496ccm) Petrol | XZJF | K1 | 2018 - | ||
| FORD | Focus | 1.5 (1496ccm) Petrol | Y2DA | MK IV | HM | 2018 - 2025 | |
| FORD | Focus | 1.5 (1496ccm) Petrol | Y2DA | MK IV | HN | 2018 - 2025 | |
| FORD | Focus Estate/Wagon | 1.5 (1496ccm) Petrol | Y2DA | MK IV | HP | 2018 - 2025 |
Description
A4578 Replacement Alternator
The Sahibs A4578 alternator is associated with Lucas reference LRA04578 for replacement identification. The listed electrical rating is 12V 150A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Ford Ecosport 1.5 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 150A 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
- Ford Ecosport 1.5 Petrol – selected applications 2018 – (engine code XZJF).
- Ford Focus 1.5 Petrol – selected applications 2018–2025 (engine code Y2DA).
- Ford Focus Estate/Wagon 1.5 Petrol – selected applications 2018–2025 (engine code Y2DA).
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 A4578. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
LRA04578
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 A4578 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 A4578 fit my Ford Ecosport?
Ford Ecosport 1.5 Petrol (2018 -) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A4578 replace Lucas LRA04578?
Lucas LRA04578 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 A4578?
The listed details include 12V, 150A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A4578 new or remanufactured?
Check the current product condition selection for A4578. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A4578?
Compare 12V compatibility, 150A 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.
