B0373 12V 90A Alternator Fits Audi 100, Audi A6, Audi A8
£90.37 – £120.96Price range: £90.37 through £120.96
Compare the B0373 12V 90A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected Audi 100, Audi A6, Audi A8 models. Identification references include Lucas LRB00373, Bosch 120485018, Valeo 2541348. Its listed 12V 90A 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 B0373 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| AMP | 90 A |
| Volt | 12 V |
| No. of Grooves | 6 qty |
| Pulley Diameter | 65 mm |
| Mounting holes | 3 qty |
| Position | -60° |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 5.8 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYB0373 | Dyno Electrics |
| 401441571 | Euro Car Part |
| 120485018 | BOSCH |
| 986042161 | BOSCH |
| 111478 | CARGO |
| F032111478 | CARGO |
| DRB2161 | DELCO |
| 20110372 | PRESTOLITE |
| 2541348 | VALEO |
| 2541473 | VALEO |
| 2541658 | VALEO |
| 2541894 | VALEO |
| 436381 | VALEO |
| 436387 | VALEO |
| 436388 | VALEO |
| 439005 | VALEO |
| A13VI155 | VALEO |
| A13VI24 | VALEO |
| A13VI70 | VALEO |
| NA441 | VALEO |
| NA558 | VALEO |
| NA561 | VALEO |
| 054903015F | VW |
| 054903015FX | VW |
| 58903016 | VW |
| 058903016A | VW |
| 058903016B | VW |
| 058903016BX | VW |
| 058903016E | VW |
| 58903018 | VW |
| 058903018A | VW |
| 058903018AX | VW |
| 058903018B | VW |
| 058903018BX | VW |
| 058903018X | VW |
| 071903016G | VW |
| 78903015 | VW |
| 078903015B | VW |
| 078903015D | VW |
| 078903015DX | VW |
| 078903016A | VW |
| 078903016AX | VW |
| 078903017B | VW |
| 54903015F | VW |
| 54903015FX | VW |
| 78903015D | VW |
| 78903015DX | VW |
| 78903016A | VW |
| 78903016AX | VW |
| ALTS237 | 3EFFE |
| PRAS237 | 3EFFE |
| CGB-81976 | AINDE |
| CGB-82851 | AINDE |
| ANM44381X | ANDEL |
| AEA3273 | AUTOELECTRO |
| CAL15223AS | CASCO |
| 4963 | CEVAM |
| 56476 | EAI |
| ALT0023 | ELECTROLOG |
| 28-1944 | ELSTOCK |
| 9042161 | FRIESEN |
| CA1139IR | HC PARTS |
| CA837IR | HC PARTS |
| 32040340 | HERTH+BUSS |
| 30837RI | KUHNER |
| 11.0837 | LAUBER |
| 11.1139M | LAUBER |
| 440984 | LOGISTIK |
| LRB00373 | LUCAS |
| LRB373 | LUCAS |
| 89212141 | POWERMAX |
| 205.505.090 | PSH |
| 205.505.090.000 | PSH |
| 20179322BN | REAL |
| 311302 | RHIAG |
| 2015223 | SANDO |
| ALT172230 | SIOM |
| ALT3430 | SIOM |
| SA099 | SOVEREIGN |
| STX100197 | STARDAX |
| STX100197R | STARDAX |
| STX100234 | STARDAX |
| STX100234R | STARDAX |
| STX100235 | STARDAX |
| STX100235R | STARDAX |
| STX101251 | STARDAX |
| 13464L | WAI / TRANSPO |
| 13814N | WAI / TRANSPO |
Alternative Parts
| Alternative Part | Current Description | Alternative Description | Direct Alternative |
|---|---|---|---|
| B0372 | 90A | 120A | Yes |
| A1450 | With air pipe | Without air pipe | No |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | 100 | 2.2 (2226ccm) Petrol | AAN | C4 | Quattro | 4A2 | 1990 - 1994 |
| AUDI | 100 | 2.6 (2598ccm) Petrol | ACZ | C4 | Quattro Avant | 4A5 | 1992 - 1994 |
| AUDI | 100 | 2.6 (2598ccm) Petrol | ABC | C4 | Avant | 4A5 | 1992 - 1994 |
| AUDI | 100 | 2.6 (2598ccm) Petrol | ABC | C4 | 4A2 | 1992 - 1994 | |
| AUDI | 100 | 2.8 (2771ccm) Petrol | AAH | C4 | 4A2 | 1990 - 1994 | |
| AUDI | A6 | 2.4 (2393ccm) Petrol | AFM | C4 | 4A2 | 1995 - 1997 | |
| AUDI | A6 | 2.6 (2598ccm) Petrol | ACZ | C4 | 4A2 | 1994 - 1997 | |
| AUDI | A6 | 2.6 (2598ccm) Petrol | ACZ | C4 | Avant | 4A5 | 1994 - 1997 |
| AUDI | A6 | 2.6 (2598ccm) Petrol | ABC | C4 | Avant/Avant-Estate | 4A5 | 1994 - 1997 |
| AUDI | A6 | 2.6 (2598ccm) Petrol | ABC | C4 | 4A2 | 1994 - 1997 | |
| AUDI | A6 | 2.8 (2771ccm) Petrol | AEJ | C4 | Avant | 4A5 | 1994 - 1995 |
| AUDI | A6 | 2.8 (2771ccm) Petrol | AEJ | C4 | 4A2 | 1994 - 1997 | |
| AUDI | A6 | 2.8 (2771ccm) Petrol | ACK | C4 | Quattro | 4A2 | 1996 - 1997 |
| AUDI | A8 | 2.8 (2771ccm) Petrol | ACK/ALG/AMX/APR/AQD | D2 | Quattro | 4D2 | 1995 - 2002 |
| AUDI | A8 | 2.8 (2771ccm) Petrol | ACK/ALG/AMX/APR/AQD | D2 | 4D2 | 1996 - 2002 |
Description
B0373 Replacement Alternator
Choose a replacement by comparing the B0373 alternator and its Lucas reference, LRB00373, with your existing unit. The listed electrical rating is 12V 90A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Audi 100 2.2 Petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 90A 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
- Audi 100 2.2 Petrol – selected applications 1990–1994 (engine code AAN).
- Audi A6 2.4 Petrol – selected applications 1995–1997 (engine code AFM).
- Audi A8 2.8 Petrol – selected applications 1995–2002 (engine code ACK/ALG/AMX/APR/AQD).
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 B0373. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
120485018, 986042161, 2541348, 2541473, 2541658, 2541894, 436381, 436387, 436388, 439005, A13VI155, A13VI24, A13VI70, NA441, NA558, NA561, LRB00373, LRB373, DRB2161, 20110372
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 B0373 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 B0373 fit my Audi 100?
Audi 100 2.2 Petrol (1990–1994) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does B0373 replace Lucas LRB00373?
Lucas LRB00373 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 B0373?
The listed details include 12V, 90A output, 6 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is B0373 new or remanufactured?
Check the current product condition selection for B0373. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering B0373?
Compare 12V compatibility, 90A 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.






