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FREE SHIPPING on US orders over $75 (oversize excepted) • Quality used E36 & E46 parts • Every part inspected & graded
Genuine BMW
BMW Part Number12 31 1 739 203

Grooved ball bearing

Out of stock

One email when it is listed. Nothing else.

Free US shipping on orders over $75.00 · oversize quoted. Oversize items ship at a flat $49.99 each — free shipping does not cover them.

WARNING: Cancer and Reproductive Harm from exposure to lead — www.P65Warnings.ca.gov P65Warnings.ca.gov

Inspected and graded before it's listed · 30-day returns

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Fits E36 316i, 318i, 320i, 325i 1990–94 — M40, M42, M50 engines

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Grooved ball bearing – BMW diagram

Callout 05 on BMW’s drawing “ALTERNATOR PARTS 90A”. Open the drawing →

Also shown on Alternator, individual parts 105A, ALTERNATOR PARTS 65A, ALTERNATOR PARTS 90A and 6 more.

Grooved ball bearing — a genuine BMW part, number 12 31 1 739 203. You will find it under Electrical (Alternator with motor and mounting). It supersedes the older number 12 31 1 738 096, so a part carrying that number is the same part.

Fits E36 318i, 320i and 325i (1992–1999), sedan and coupe, with the M40, M42 or M50 engines.

BMW draws it on 134 drawings, among them Alternator Parts 90a and Alternator, individual parts 105A. It weighs about 36 g (under 0.1 lb).

Out of stock. Request it and we will notify you when it is in stock.

Details

EnginesM40, M42, M50
Weight0.04 kg

Used parts are inspected and graded: Good (minimal wear), Fair (normal wear) or Acceptable (visible wear). All fully working. Returns: 30 days if a part arrives damaged or not as described.

BMW has renumbered this part. All of these numbers are the same part.

  • 12 31 1 739 203currentOut of stock
  • 12 31 1 714 523replaced by 12 31 1 739 203
  • 12 31 1 715 165replaced by 12 31 1 739 203
  • 12 31 1 722 960replaced by 12 31 1 739 203
  • 12 31 1 722 999replaced by 12 31 1 739 203
  • 12 31 1 727 743replaced by 12 31 1 739 203
  • 12 31 1 727 745replaced by 12 31 1 739 203
  • 12 31 1 735 301replaced by 12 31 1 739 203
  • 12 31 1 738 096replaced by 12 31 1 739 203
  • 12 31 9 057 488replaced by 12 31 1 739 203
  • 07 11 9 981 209replaced by 12 31 1 739 203

The other parts on BMW’s drawing “ALTERNATOR PARTS 90A”. Open the drawing →

#PartIn stockAction
--RingOut of stockRequest
01Stator assyOut of stockRequest
02Housing assy frontOut of stockRequest
03RotorOut of stockRequest
04Grooved ball bearingOut of stockRequest
05Grooved ball bearing · this partOut of stock
06Supporting plateOut of stockRequest
07Housing assy rearOut of stockRequest
08Diode assyOut of stockRequest
09Fillister head screwOut of stockRequest
10Fillister head screwOut of stockRequest
11Fan wheelOut of stockRequest
12PulleyOut of stockRequest
13Voltage regulatorOut of stockRequest
14Carbon brush setOut of stockRequest
15Repair kit rotorOut of stockRequest
16Set mounting partsOut of stockRequest
17BushOut of stockRequest
18RingOut of stockRequest
19Fillister head screwOut of stockRequest
20ScrewOut of stockRequest
21Suppression capacitor alternatorOut of stockRequest
22Fillister head screwOut of stockRequest
23Intake manifoldOut of stockRequest
24Wave washerOut of stockRequest
25Hex nut2 numbers at this calloutOut of stockRequest
26Fillister head screwOut of stockRequest

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InElectricalAlternator with motor and mounting