Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×

Genuine BMW 12-31-1-739-421
Exchange Alternator

Customer Questions & Answers (1)
BMW 12-31-1-739-421 Exchange Alternator
  • Part Description Exchange Compact Generator
  • Replaces 12-31-1-721-692, 12-31-1-727-576, 12-31-1-721-778, 12-31-1-721-923, 12-31-1-721-921
  • Brand BMW
$609.19
MSRP: $840.28
You Save: $231.09 (28%)
Core Charge: $200.00
In Stock. Ships in 1-3 Business Days

Vehicle Specific

Check if it fits by entering your vehicle info
Select Your Vehicle

Why Choose AutoPartsPrime

  • Dedicated Service

    We have experienced professionals here to help you via phone, live chat or email.

  • Unbeatable Prices

    We offer genuine OEM parts at the best possible discounted prices online.

  • Fast Delivery

    Your orders are processed efficiently and delivered as promptly as possible.

  • Product Specifications

    BrandGenuine BMW
    Manufacturer Part Number12-31-1-739-421
    Part DescriptionExchange Compact Generator
    Other DescriptionExchange Alternator
    Other NamesAlternator
    Item Weight13.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12-31-1-721-692, 12-31-1-727-576, 12-31-1-721-778, 12-31-1-721-923, 12-31-1-721-921
    ManufacturerGenuine BMW
    SKU12-31-1-739-421
    WarrantyThis genuine BMW part is guaranteed by BMW's factory warranty. For more information, please see our Warranty Page.
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Submodel
    1991-1995 BMW 318iConvertible(E30), Sedan(E30), Sedan(E36)
    1991-1995 BMW 318isCoupe(E30), Coupe(E36)

Customer Questions & Answers

Q:
Is this the correct part for my vehicle?
By Customer
A:
You can Select Your Car to see if 12311739421 fits your car.
By Omar
BMW Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!