Alternator Regulator HELLA 5DR 009 728-431 OE Ref 12 31 7 531 386

Key Specification:
  • Alternator Number: 0 124 625 007
  • Alternator Number: 0 124 615 020
  • Alternator Number: 0 124 615 013
  • Alternator Number: 0 124 615 008
  • Alternator Number: 0 124 515 060
Sale
£ 59.00
£ 44.81 excl. VAT
In Stock
SKU:HELLA 5DR 009 728-431
BrandHELLA
  • Free Shipping
    For orders over £75
  • Top-Notch Support
    Monday To Friday
  • 100% Safety
    Only secure payments
  • Hot Offers
    Discounts up to 70%
Alternator Number
0 124 625 007
Alternator Number
0 124 615 020
Alternator Number
0 124 615 013
Alternator Number
0 124 615 008
Alternator Number
0 124 515 060
Alternator Number
0 124 515 055
Alternator Number
0 124 515 048
Alternator Number
0 124 325 158
Alternator Number
0 124 325 108
Alternator Number
0 124 325 045
Alternator Number
0 124 325 040
EAN
4082300395747
Length [cm]
8.2
Manufacturer Restriction
BOSCH
OEM Reference number
077903803A
Operating voltage [V]
14.3
Packing Unit
1
Voltage [V]
12
Weight [kg]
0.1

Alternator Regulator OE Ref 12 31 7 531 386 – HELLA – OEM 077903803A

This part from HELLA is designed as a direct replacement for OEM reference 077903803A. Manufactured to meet original equipment standards, it is suitable for selected AUDI, MERCEDES-BENZ, MINI vehicles and intended to restore correct system operation.

It is supplied under manufacturer reference 5DR 009 728-431 with EAN EAN: 4082300395747, allowing accurate identification and compatibility checks. This component is commonly used to replace worn, damaged, or faulty units where reliable performance is required.

The product is intended as a like-for-like replacement and should be installed according to manufacturer guidelines. Depending on vehicle design and component location, professional installation may be recommended.

Why Choose This Part?

  • Direct replacement for OEM reference 077903803A
  • Manufactured by HELLA
  • Clearly identified by SKU 5DR 009 728-431 and EAN EAN: 4082300395747
  • Covered by our standard returns policy

Vehicle Compatibility

Compatible with selected AUDI, MERCEDES-BENZ, MINI models. Please confirm fitment using OEM reference 077903803A or our vehicle registration lookup tool before ordering.

Looking for alternatives? Browse our full range of Electrics parts to find the correct option for your vehicle.

Reference number(s) comparable with the original spare part number
OE reference number(s) comparable with the original spare part number
  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 OCT, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 AUG, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2025
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2025
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.