A1658 12V 140A Alternator Fits Bmw 520i, Bmw 525i
Price range: £118.28 through £158.31
Identify a replacement alternator using Sahibs A1658, listed at 12V 140A. Listed applications include selected BMW 520i, BMW 525i models. Identification references include Lucas LRA01658, Bosch 120465031, Valeo 2541481. Its listed 12V 140A 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 A1658 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 | 6 qty |
| Pulley Diameter | 56 mm |
| Mounting holes | 3 qty |
| Position | -95° |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 7.2 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA1658 | Dyno Electrics |
| 120465031 | Bosch |
| 986039000 | Bosch Exchange |
| 986039007 | Bosch Exchange |
| 986043577 | Bosch Exchange |
| 112700 | HC-Cargo |
| 12201006 | AES |
| 12311733351 | BMW |
| 12311738351 | BMW |
| 12311738514 | BMW |
| 12311738515 | BMW |
| 12311744563 | BMW |
| 12311744567 | BMW |
| 13471N | WAI |
| 13471R | WAI |
| 1738351 | BMW |
| 1738514 | BMW |
| 1744563 | BMW |
| 215022140 | PSH |
| 2541481 | Valeo |
| 2541499 | Valeo |
| 433181 | Valeo |
| 437330 | Valeo |
| 439586 | Valeo |
| 555709 | Valeo |
| 90156254 | Wilson |
| 90203554 | Wilson |
| A14V19 | Valeo |
| AL0739X | Bosch (USA) |
| AL0741X | Bosch (USA) |
| ALT10230 | Wood Auto |
| CA1054IR | HC-Parts |
| CA1092IR | HC-Parts |
| DRA9000 | Delco Remy |
| HCA1054IR | HC-Parts |
| HCA1092IR | HC-Parts |
| LEA0665 | Lucas |
| LRA01658 | Lucas |
| LRA1658 | Lucas |
| LRB00353 | Lucas |
| LRB353 | Lucas |
| 6-Mar | Magneti Marelli |
| RNL3900 | RNL |
| RNL3900T | RNL |
| WOOALT10230 | Wood Auto |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| BMW | 520i | 2.0 (1990ccm) Petrol | M20B206KA | E34 | 1987 - 1990 | ||
| BMW | 520i | 2.0 (1990ccm) Petrol | M50B206S1/M50B206S2 | E34 | 1990 - 1995 | ||
| BMW | 525i | 2.5 (2494ccm) Petrol | M50B256S1/M50B256S2 | E34 | 1990 - 1993 | ||
| BMW | 525i | 2.5 (2494ccm) Petrol | M50256S1/M50256S2 | E34 | Touring | 1991 - 1993 | |
| BMW | 525i | 2.5 (2494ccm) Petrol | M50B256S1/M50B256S2 | E34 | X | 1991 - 1993 | |
| BMW | 525i | 2.5 (2494ccm) Petrol | M50B256S1/M50B256S2 | E34 | X Touring | 1992 - 1993 |
Description
A1658 Replacement Alternator
The Sahibs A1658 alternator is associated with Lucas reference LRA01658 for replacement identification. The listed electrical rating is 12V 140A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected BMW 520i 2.0 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.
- 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 520i 2.0 Petrol – selected applications 1987–1990 (engine code M20B206KA).
- BMW 525i 2.5 Petrol – selected applications 1990–1993 (engine code M50B256S1/M50B256S2).
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 A1658. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
120465031, 986039000, 986039007, 986043577, 2541481, 2541499, 433181, 437330, 439586, 555709, A14V19, LRA01658, LEA0665, LRA1658, LRB00353, LRB353, DRA9000
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 A1658 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 A1658 fit my BMW 520i?
BMW 520i 2.0 Petrol (1987–1990) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A1658 replace Lucas LRA01658?
Lucas LRA01658 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 A1658?
The listed details include 12V, 140A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A1658 new or remanufactured?
Check the current product condition selection for A1658. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A1658?
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.
