Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH
Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH
Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH
Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH
Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH
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  • Load image into Gallery viewer, Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH

Remanufactured Alternator (50 Amp) - K Bike, Oilhead; 12 31 2 306 020 / BOSCH

Regular price
$339.00 USD
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$339.00 USD
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EnDuraLast Premium Quality Remanufactured Alternator - Remanufactured to Original Equipment Specifications by a Bosch Authorized Remanufacturer.

NOTE : These alternators are not always provided with the solid pulley from Bosch. We recommend that you keep and reuse your old Bosch or Denso 67mm pulley.

Core Return Program:

  • Return your used starter for a $100.00 credit. A pre-paid return label will be provided with the order when Starter Core Charge option is selected.
  • A pre-paid shipping label will not be included for core return credits for international customers due to the high freight costs.

Vehicle Manufacturer: BMW Application: BMW K Bike, Oilhead Models Make/Model: BMW: K75, K1100, R850, R1100, R1150, R1200 Model Years: 1993 - 2006 Manufacturer #: 12 31 2 306 020 (50A), Bosch # 0 123 105 001 Power Rating: 14 V ; Maximum 700 watts / 50 amps Warranty: 24 Months (See APPLICATION TABLE tab BELOW to verify vehicle fitment)

NOTE: This alternator will also retrofit earlier K models with 32 amp alternator (BMW # 12 31 2 305 316). The retrofit will require the following components available on our website for a proper installation:

  • rubber drive dogs BMW-ALTK877 (3 piece set BMW # 12 31 1 464 877)
  • alternator clutch housing BMW-ALTK329 (BMW # 12 31 2 305 329)
  • driving dog BMW-ALTK304 (BMW # 12 31 1 460 304)
  • coolant expansion tank reservoir BMW-ResK650 (17 11 1 464 650)
  • 100% New Brushes
  • Painted Pulleys
  • New Terminal Hardware
  • New Diodes or Tested for Load
  • New High Temperature Insulators
  • Rectifiers Load Tested or New
  • Precision Polished to .003 Total Indicated Runout
  • New Diode Trios or Tested for Strength
  • New Voltage Regulators or Tested for Maximum Voltage
  • New Bearings
  • Stators Electronically Tested for Phase Capacity
  • Rotors Electronically Tested to Ensure High Current Capacity Production
  • Fully Load Tested to OEM Specification

 

EME Part Number: BMW-ALT1020
BMW Part Number: 12 31 2 306 020
Model Year
OILHEAD MODELS
R850C (59C1) 01/97-09/00 ECE
R850GS (259E) 10/96-07/00 ECE
R850R (259R) 03/94-11/02 ECE
R850R (259R) 08/95-04/97 USA
R850R (R28) 11/99-07/07 ECE
R850RT (259T) 03/96-11/01 ECE
R850RT (R22) 06/00-02/06 ECE
R1100GS (259E) 04/93-12/99 ECE
R1100GS (259E) 02/94-07/06 USA
R1100R (259R) 09/93-04/01 ECE
R1100R (259R) 09/94-11/00 USA
R1100RS (259S) 01/92-06/01 ECE
R1100RS (259S) 06/92-02/01 USA
R1100RT (259T) 05/94-08/01 ECE
R1100RT (259T) 09/94-07/01 USA
R1100S (259S) 12/96-07/05 ECE
R1100S (259S) 01/97-09/04 USA
R1150GS (R21) 09/98-11/03 ECE
R1150GS (R21) 09/98-11/03 USA
R1150GS ADV (R21A) 07/01-09/05 ECE
R1150GS ADV (R21A) 07/01-09/05 USA
R1150R (R28) 11/99-06/06 ECE
R1150R (R28) 03/00-02/06 USA
R1150R Rockster (R28) 03/02-07/05 ECE
R1150R Rockster (R28) 03/02-07/05 USA
R1150RS (R22) 11/00-11/04 ECE
R1150RS (R22) 11/00-01/04 USA
R1150RT (R22) 01/00-03/06 ECE
R1150RT (R22) 02/00-02/06 USA
R1200C (59C1) 04/96-05/03 ECE
R1200C 98-03 (59C1) 06/96-05/03 USA
R1200C I (59C3) 05/00-05/03 ECE
R1200C I 01-03 (59C3) 09/00-05/03 USA
K BIKE MODELS
K75 (K569) 12/84-11/96 ECE
K75 (K569) 07/90-09/95 USA
K75RT (K569) 01/89-06/05 ECE
K75RT (K569) 09/89-01/95 USA
K75S (K569) 10/85-05/95 ECE
K75S (K569) 05/86-09/94 USA
K1100LT (89V2) 06/89-04/99 ECE
K1100LT (89V2) 02/92-03/97 USA
K1100RS (89V2) 04/92-12/96 ECE
K1100RS (89V2) 11/92-06/96 USA

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