A1866 12V 90A Alternator Fits VW Passat, Audi A4
Price range: £102.37 through £133.87
Compare the A1866 12V 90A alternator from Sahibs Auto Electrics with the unit currently fitted. Listed applications include selected VW Passat, Audi A4 models. Identification references include Lucas LRA01866, Bosch 123310031, Valeo 2541844. Its listed 12V 90A rating provides an electrical matching point for your existing unit. Check the 5-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 A1866 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 | 5 qty |
| Pulley Diameter | 56 mm |
| Mounting holes | 4 qty |
| Position | -90° |
| B+ | M8 |
| Insulated Return | No |
| Water cooled | No |
| Vacuum pump | No |
| Start/Stop | No |
| Weight | 5.6 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYA1866 | Dyno Electrics |
| 401441871 | Euro Car Part |
| 123310031 | BOSCH |
| 123320009 | BOSCH |
| 123320025 | BOSCH |
| 123320055 | BOSCH |
| 986042020 | BOSCH |
| 112201 | CARGO |
| F032112201 | CARGO |
| DRB2020 | DELCO |
| 8EL737714-001 | HELLA |
| IA1252 | ISKRA / LETRIKA |
| IA1255 | ISKRA / LETRIKA |
| MG 214 | MAHLE |
| MG 602 | MAHLE |
| 35214955 | PRESTOLITE |
| 2541844 | VALEO |
| 2541944B | VALEO |
| 436644 | VALEO |
| A13VI137 | VALEO |
| NA560 | VALEO |
| 021902017A | VW |
| 027911287A | VW |
| 028903018G | VW |
| 028903023E | VW |
| 028903023EX | VW |
| 028903025C | VW |
| 028903025E | VW |
| 028903027S | VW |
| 028903027T | VW |
| 50902017 | VW |
| 28903027S | VW |
| 28903027T | VW |
| 50903017 | VW |
| 52903017 | VW |
| ALTF627 | 3EFFE |
| ALTS646 | 3EFFE |
| ALTS646L | 3EFFE |
| PRAS646 | 3EFFE |
| CGB-83726 | AINDE |
| ANM44240X | ANDEL |
| AEA2252 | AUTOELECTRO |
| STA0260R | BOVEZ |
| CAL10205AS | CASCO |
| 4566 | CEVAM |
| 57169 | EAI |
| ALT10258 | ELECTROLOG |
| ALT1883 | ELECTROLOG |
| 28-3726 | ELSTOCK |
| 210120 | ERA |
| 219134 | ERA |
| CA1486IR | HC PARTS |
| 32042020 | HERTH+BUSS |
| 301486RI | KUHNER |
| 301562RI | KUHNER |
| 11.1486 | LAUBER |
| 441633 | LOGISTIK |
| 441709 | LOGISTIK |
| LRA01866 | LUCAS |
| LRA1866 | LUCAS |
| 89212288 | POWERMAX |
| 9212288 | POWERMAX |
| 20101502BN | REAL |
| 310849 | RHIAG |
| 2010205 | SANDO |
| ALT4900 | SIOM |
| ALT4900A | SIOM |
| STX100299 | STARDAX |
| STX100299R | STARDAX |
| STX100351 | STARDAX |
| STX100351R | STARDAX |
| STX100388 | STARDAX |
| STX100388R | STARDAX |
| STX101381 | STARDAX |
| STX101394 | STARDAX |
| STX101768 | STARDAX |
| 22865R | WAI / TRANSPO |
| ALT10346 | WOODAUTO |
Alternative Parts
| Alternative Part | Current Description | Alternative Description | Direct Alternative |
|---|---|---|---|
| A2175 | 90A | 70A | No |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| AUDI | A4 | 1.9 (1896ccm) Diesel | 1Z/AHH/AHU | B5 | Avant | 8D5 | 1995 - 1998 |
| AUDI | A4 | 1.9 (1896ccm) Diesel | 1Z/AHH/AHU | B5 | 8D2 | 1996 - 1998 | |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | 8D2 | 1996 - 1998 | |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | Quattro | 8D2 | 1996 - 2000 |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AFF | B5 | 8D2 | 1996 - 1998 | |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | Avant | 8D5 | 1996 - 1998 |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | Quattro Avant | 8D5 | 1996 - 1998 |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AJM/ATJ | B5 | Quattro | 8D2 | 1998 - 2000 |
| AUDI | A4 | 1.9 (1896ccm) Diesel | AJM | B5 | 8D2 | 2000 - 2001 | |
| AUDI | A4 | 1.9 (1896ccm) Diesel | ATJ | B5 | Quattro Avant | 8D5 | 2000 - 2001 |
| AUDI | A4 | 1.9 (1896ccm) Plug-in Hybrid/diesel | AHU | B5 | Avant | 8D5 | 1998 - 2000 |
| VW | Passat | 1.9 (1896ccm) Diesel | AHH/AHU | B5 | 3B5 | 1996 - 1998 | |
| VW | Passat | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | 3B2 | 1996 - 1998 | |
| VW | Passat | 1.9 (1896ccm) Diesel | AHH/AHU | B5 | 3B2 | 1996 - 1998 | |
| VW | Passat | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | Syncro | 3B2 | 1997 - 1998 |
| VW | Passat | 1.9 (1896ccm) Diesel | AFN/AVG | B5 | Syncro | 3B5 | 1997 - 1998 |
Description
A1866 Replacement Alternator
The Sahibs A1866 alternator is associated with Lucas reference LRA01866 for replacement identification. The listed electrical rating is 12V 90A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected VW Passat 1.9 Diesel 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.
- 5-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
- VW Passat 1.9 Diesel – selected applications 1996–1998 (engine code AHH/AHU).
- Audi A4 1.9 Diesel – selected applications 1995–1998 (engine code 1Z/AHH/AHU).
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 A1866. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
123310031, 123320009, 123320025, 123320055, 986042020, 2541844, 2541944B, 436644, A13VI137, NA560, LRA01866, LRA1866, DRB2020, 35214955, MG 214, MG 602, IA1252, IA1255
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 A1866 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 A1866 fit my VW Passat?
VW Passat 1.9 Diesel (1996–1998) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does A1866 replace Lucas LRA01866?
Lucas LRA01866 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 A1866?
The listed details include 12V, 90A output, 5 pulley grooves. Compare the complete specifications on this page with the unit being replaced.
Is A1866 new or remanufactured?
Check the current product condition selection for A1866. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering A1866?
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.
