A0557 12V 70A Alternator Fits Rover 820, Rover 825, Rover 827
Price range: £168.00 through £268.80
Compare the A0557 12V 70A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected Rover 820, Rover 825, Rover 827, Honda Accord Aerodeck models. Identification references include Lucas LRA00557, Bosch F042302042, Denso 1002112550. Its listed 12V 70A rating provides an electrical matching point for your existing unit. Check the 3-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 A0557 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 70 A |
| Volt | 12 V |
| No. of Grooves | 3 qty |
| Pulley Diameter | 62 mm |
| Mounting holes | 2 qty |
| Position | -45° |
| B+ | M6 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 4.5 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA0557 | Dyno Electrics |
| 401750661 | Euro Car Part |
| 0986CR0936 | Bosch Exchange |
| 0986UR0936 | Bosch Exchange |
| 1002112550 | Denso |
| 1002117070 | Denso |
| 100211750 | Denso |
| 1002117500 | Denso |
| 1100301ND | WAI |
| 110680 | HC-Cargo |
| 125522070 | PSH |
| 14931N | WAI |
| 14931R | WAI |
| 31100PH7014 | Honda |
| 31100PH7024 | Honda |
| 90295081 | Wilson |
| AL250X | Bosch (USA) |
| ALT30109 | Wood Auto |
| F042302042 | Bosch |
| LRA00557 | Lucas |
| LRA557 | Lucas |
| WOOALT30109 | Wood Auto |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| HONDA | Accord Aerodeck | 2.2 (2156ccm) Petrol | F22A7/F22A8 | MK IV | CB8/CB9 | 1990 - 1993 | |
| HONDA | Accord Aerodeck | 2.2 (2156ccm) Petrol | F22A8 | MK IV | CB8 | 1991 - 1993 | |
| HONDA | Legend | 2.5 (2493ccm) Petrol | C25A2 | MK I | HS | 1985 - 1987 | |
| HONDA | Legend | 2.5 (2493ccm) Petrol | C25A1 | MK I | HS | 1985 - 1987 | |
| HONDA | Legend | 2.7 (2675ccm) Petrol | C27A1 | MK I | KA3 | 1987 - 1988 | |
| HONDA | Legend | 2.7 (2675ccm) Petrol | C27A1 | MK I | HS/KA4 | 1988 - 1990 | |
| ROVER | 820 | 2.0 (1994ccm) Petrol | 20T4G | MK I | RS | 1994 - 1996 | |
| ROVER | 825 | 2.5 (2494ccm) Petrol | C25A2 | MK I | RS | 1986 - 1988 | |
| ROVER | 825 | 2.5 (2494ccm) Petrol | C25A2 | MK I | RS | 1986 - 1991 | |
| ROVER | 827 | 2.7 (2675ccm) Petrol | C27A2 | MK I | RS | 1988 - 1991 | |
| ROVER | 827 | 2.7 (2675ccm) Petrol | C27A1 | MK I | Fastback | RS | 1988 - 1999 |
| ROVER | 827 | 2.7 (2675ccm) Petrol | C27A1/C27A2 | MK I | RS | 1993 - 1996 |
Description
A0557 Replacement Alternator
Choose a replacement by comparing the A0557 alternator and its Lucas reference, LRA00557, with your existing unit. The listed electrical rating is 12V 70A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Rover 820 2.0 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 70A output: compare the listed rating with the original alternator.
- 3-groove pulley: check belt profile and alignment against the existing unit.
- 2 mounting holes: compare the fixing pattern and unit position.
- M6 B+ terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- Rover 820 2.0 Petrol – selected applications 1994–1996 (engine code 20T4G).
- Rover 825 2.5 Petrol – selected applications 1986–1988 (engine code C25A2).
- Rover 827 2.7 Petrol – selected applications 1988–1991 (engine code C27A2).
- Honda Accord Aerodeck 2.2 Petrol – selected applications 1990–1993 (engine code F22A7/F22A8).
- Honda Legend 2.5 Petrol – selected applications 1985–1987 (engine code C25A2).
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 A0557. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
0986CR0936, 0986UR0936, F042302042, 1002112550, 1002117070, 100211750, 1002117500, LRA00557, LRA557
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 A0557 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 A0557 fit my Rover 820?
Rover 820 2.0 Petrol (1994–1996) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A0557 replace Lucas LRA00557?
Lucas LRA00557 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 A0557?
The listed details include 12V, 70A output, 3 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A0557 new or remanufactured?
Check the current product condition selection for A0557. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A0557?
Compare 12V compatibility, 70A 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.
