A1521 12V 70A Alternator Fits BMW Marine D 150, BMW Marine D 190

Price range: £138.00 through £220.80

The A1521 12V 70A Alternator is a replacement charging unit from Sahibs Auto Electrics. Listed applications include selected Bmw Marine D 150, Bmw Marine D 190, Bmw Marine D 35, Bmw Marine D 50 models. Identification references include Lucas LRA01521, Valeo 2928810, Prestolite 510843. Its listed 12V 70A rating provides an electrical matching point for your existing unit. Check the single-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 A1521 replacement alternator online from Sahibs Auto Electrics for UK delivery or Click & Collect.

SKU: A1521 Category:

Product Specification

DescriptionValue
AMP70 A
Volt12 V
No. of Grooves1 qty
Pulley Diameter76 mm
Mounting holes2 qty
B+M6
Insulated ReturnNo
Water cooledNo
Vacuum pumpNo
Start/StopNo
Weight5.18 Kg

Cross Reference

Reference NumberBrand
DYA1521Dyno Electrics
215030070PSH
2928810Valeo
2940208Valeo
510843Prestolite
9AR2881Motorola
9AR2881PMotorola
9AR2898Motorola
9AR2898PMotorola
LRA01521Lucas
LRA1521Lucas

Vehicle Applications

BrandModelEngineEngine CodeSeriesModel TypeTypeYear
BMW MARINED 1503590ccm Diesel1981 - 1985
BMW MARINED 1903590ccm Diesel1982 - 1986
BMW MARINED 351410ccm Diesel1979 - 1987
BMW MARINED 502120ccm Diesel1979 - 1987

Description

A1521 Replacement Alternator

The Sahibs A1521 alternator is associated with Lucas reference LRA01521 for replacement identification. The listed electrical rating is 12V 70A. An alternator maintains battery charge and supplies electrical power while the engine runs. Applications include selected Bmw Marine D 150 3590ccm Diesel 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.
  • Single-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

  • Bmw Marine D 150 3590ccm Diesel – selected applications 1981–1985.
  • Bmw Marine D 190 3590ccm Diesel – selected applications 1982–1986.
  • Bmw Marine D 35 1410ccm Diesel – selected applications 1979–1987.
  • Bmw Marine D 50 2120ccm Diesel – selected applications 1979–1987.

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 A1521. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

2928810, 2940208, LRA01521, LRA1521, 510843

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 A1521 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 A1521 fit my Bmw Marine D 150?

Bmw Marine D 150 3590ccm Diesel (1981–1985) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does A1521 replace Lucas LRA01521?

Lucas LRA01521 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 A1521?

The listed details include 12V, 70A output, 1 pulley groove. Compare the complete specifications on this page with the unit being replaced.

Is A1521 new or remanufactured?

Check the current product condition selection for A1521. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering A1521?

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.

Need Help Finding the Right Part?

Send us your existing part number or cross-reference, and our team can help identify the correct unit.