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Aftermarket Bosch Alternator Rebuild Kit 13660RK

Bosch
13660RK
In stock
Rebuild Kit
$120.00

Aftermarket Bosch Alternator Rebuild Kit 13660RK

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In-stock orders ship out same day or next business day via USPS.

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Pre-orders ship out in the order received within 7–21 business days.

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Need help finding a part? Contact Support@RCAutoElectric.com

INCLUDED IN REBUILD KIT:

Bearing DEF
Bearing SRE

Specifications

  • MFR:BOSCH
  • AMPERAGE:140
  • DESIGN:IR/IF
  • FEATURE 1:100% New
  • PLUG CLOCK:09:00 Plug Clock
  • PLUG CODE:381
  • PULLEY CLASS:S6
  • ROTATION:CW
  • SPECS FOR:Bosch IR/IF
  • SPECS:140 Amp/12 Volt, CW, 6-Groove Pulley
  • VOLTAGE:12

USED ON

  • BMW (1990-2000) ** BMW - Europe (1990-1999)

Replaces

  • BMW 12-31-1-730-026, 12-31-1-730-261, 12-31-1-735-604, 12-31-1-735-606, 12-31-1-735-686, 12-31-1-738-351, 12-31-1-738-352, 12-31-1-738-515, 12-31-1-744-563, 12-31-1-744-567, Bosch 0 120 465 031, Marelli 944390383100, Paris Rhone 439105, A14V16, A14V19, A14V30, Valeo 439105, A14V16, A14V19, A14V30

LESTER NUMBERS

  • 13471, 13628, 13660

Vehicle Application

Make Model Year Engine
BMW - Europe 3 (E36) Eng.M50 B20 (206S1), M50 B20 (206S2), M52 B20 (206S3) 320 i 110kw 1991-1996 "M50 B20 (206S1), M50 B20 (206S2), M52 B20 (206S3)"
BMW - Europe 3 (E36) Eng.M50 B25 (256S1), M50 B25 (256S2) 325 i 141kw 1991-1995 "M50 B25 (256S1), M50 B25 (256S2)"
BMW - Europe 3 (E36) Eng.M52 B25 (256S3) 323 i 2.5 125kw 1996-1998 M52 B25 (256S3)
BMW - Europe 3 (E36) Eng.M52 B28 (286S1) 328 i 142kw 1995-1998 M52 B28 (286S1)
BMW - Europe 3 Convertible (E36) Eng.M50 B20 (206S2), M52 B20 (206S3) 320 i 110kw 1994-1997 "M50 B20 (206S2), M52 B20 (206S3)"
BMW - Europe 3 Convertible (E36) Eng.M50 B25 (256S2) 325 i 141kw 1993-1995 M50 B25 (256S2)
BMW - Europe 3 Convertible (E36) Eng.M52 B25 (256S3) 323 i 125kw 1997-1999 M52 B25 (256S3)
BMW - Europe 3 Convertible (E36) Eng.M52 B28 (286S1) 328 i 142kw 1995-1999 M52 B28 (286S1)
BMW - Europe 3 Coupe (E36) Eng.M50 B20 (206S1), M50 B20 (206S2), M52 B20 (206S3) 320 i 110kw 1992-1995 "M50 B20 (206S1), M50 B20 (206S2), M52 B20 (206S3)"
BMW - Europe 3 Coupe (E36) Eng.M50 B25 (256S1), M50 B25 (256S2) 325 i 141kw 1992-1995 "M50 B25 (256S1), M50 B25 (256S2)"
BMW - Europe 3 Coupe (E36) Eng.M52 B25 (256S3) 323 i 125kw 1995-1999 M52 B25 (256S3)
BMW - Europe 3 Coupe (E36) Eng.M52 B28 (286S1) 328 i 142kw 1995-1999 M52 B28 (286S1)
BMW - Europe 3 Touring (E36) Eng.M52 B20 (206S3) 320 i 110kw 1995-1997 M52 B20 (206S3)
BMW - Europe 3 Touring (E36) Eng.M52 B25 (256S3) 323 i 125kw 1997-1999 M52 B25 (256S3)
BMW - Europe 3 Touring (E36) Eng.M52 B28 (286S1) 328 i 142kw 1995-1999 M52 B28 (286S1)
BMW - Europe 320 1992-1999 2000, M50
BMW - Europe 320 1995-1999 2000, M52
BMW - Europe 325 1991-1995 2500, M50
BMW - Europe 5 (E34) Eng.M50 B20 (206S1), M50 B20 (206S2) 520 i 24V 110kw 1990-1995 "M50 B20 (206S1), M50 B20 (206S2)"
BMW - Europe 5 (E34) Eng.M50 B25 (256S1), M50 B25 (256S2) 525 iX 24V 141kw 1992-1995 "M50 B25 (256S1), M50 B25 (256S2)"
BMW - Europe 5 (E34) Eng.M50 B25 (256S2) 525 i 24V 141kw 1990-1995 M50 B25 (256S2)
BMW - Europe 5 (E34) Eng.M51 D25 (256T1) 525 td 85kw 1993-1995 M51 D25 (256T1)
BMW - Europe 5 Touring (E34) Eng.M50 B20 (206S1), M50 B20 (206S2) 520 i 110kw 1992-1996 "M50 B20 (206S1), M50 B20 (206S2)"
BMW - Europe 5 Touring (E34) Eng.M50 B25 (256S1), M50 B25 (256S2) 525 i 141kw 1992-1996 "M50 B25 (256S1), M50 B25 (256S2)"
BMW - Europe 5 Touring (E34) Eng.M50 B25 (256S1), M50 B25 (256S2) 525 ix 141kw 1992-1996 "M50 B25 (256S1), M50 B25 (256S2)"
BMW - Europe G15 1991-1996 2000, M50, 24V
BMW - Europe Ramcharger 1995-1998 2500, M52
BMW - Europe Savana 2500 1991-1996 2500, M50
BMW - Europe Savana 2500 1993-1996 2500, M51
BMW - Europe Spirit 1995-1998 2800, M52
BMW 320i 1992-1995 L6 2.0L 1990cc 121cid
BMW 323i 1998-1999 L6 2.5L 2494cc 152cid
BMW 323is 1998-1999 L6 2.5L 2494cc 152cid
BMW 325i 1992 L6 2.5L 2494cc 152cid Eng Code M20
BMW 325i 1992 L6 2.5L 2494cc 152cid Eng Code M50
BMW 325i 1993-1995 L6 2.5L 2494cc 152cid
BMW 325is 1992 L6 2.5L 2494cc 152cid M50
BMW 325is 1993-1995 L6 2.5L 2494cc 152cid M50TU
BMW 325is 1995 L6 2.5L 2494cc 152cid M50TU
BMW 328i 1996-1999 L6 2.8L 2793cc
BMW 328is 1996-1999 L6 2.8L 2793cc
BMW 525i 1990-1991 L6 2.5L 2494cc 152cid
BMW 525i 1993-1995 L6 2.5L 2494cc 152cid
BMW 525i 1995 L6 2.5L 2494cc 152cid
BMW 525iT 1993 L6 2.5L 2494cc 152cid
BMW M3 1994-1995 L6 3.0L 2990cc
BMW M3 1996-1999 L6 3.2L 3152cc
BMW Z3 1998-2000 L6 3.2L 3152cc

 

Features & Benefits

  • Complete aftermarket rebuild solution for compatible alternators

  • Includes essential replacement components for alternator rebuilding and repair

  • Helps restore proper charging system performance

  • Helps replace common internal wear components during a complete rebuild

  • Manufactured for dependable fit, performance, and long service life

  • Ideal for professional rebuilders, automotive repair shops, and DIY technicians

  • Convenient alternative to sourcing individual rebuild components separately

  • Cross-referenced to OEM and aftermarket alternator part numbers for easier identification


What Does an Alternator Rebuild Kit Do?

An alternator rebuild kit provides a selection of replacement components commonly needed to service and rebuild a worn or failed alternator. Depending on the specific kit, components may include bearings, brushes, brush holders, slip rings, rectifiers, voltage regulators, and other service parts required for the applicable alternator design.

Rebuilding an alternator allows worn internal components to be replaced while retaining serviceable major components such as the rotor, stator, housing, and pulley when they remain within specification. A properly rebuilt alternator can help restore reliable charging output, smooth mechanical operation, and dependable electrical system performance.

Always review the Kit Contents for the specific rebuild kit before ordering, as included components vary by alternator application.


Common Signs an Alternator May Need Rebuilding

Consider rebuilding or servicing the alternator if you notice:

  • Battery warning light illuminated

  • Low or inconsistent charging voltage

  • Battery not charging properly

  • Intermittent charging system operation

  • Grinding, whining, or bearing noise

  • Worn brushes or slip rings

  • Failed voltage regulator or rectifier

  • Excessive bearing play or roughness

  • Internal component wear discovered during alternator inspection or testing


Installation Recommendations

Installation should be performed by a qualified technician or experienced alternator rebuilder. Before rebuilding the alternator, completely disassemble and inspect the unit for worn, damaged, overheated, or contaminated components.

Inspect the rotor, stator, slip rings, bearings, rectifier, voltage regulator, brushes, brush holder, pulley, housing, terminals, insulators, wiring, and fasteners as applicable to the alternator design.

Always verify the Lester number, OEM alternator number, alternator series, specifications, and product photos before ordering. After reassembly, bench-test the alternator to verify proper charging output and overall operation before returning it to service.


While You're Rebuilding

Depending on the contents of your rebuild kit and the condition of the alternator, inspect other components that may require replacement:

Important: Rebuild kit contents vary by application. This kit includes only the components specifically listed in the product description. Components listed above are inspection recommendations and are not necessarily included with the rebuild kit.


Why Buy From RC Auto Electric?

RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.


Disclaimer

Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect alternator components and rebuild kit compatibility. Always compare the Lester number, OEM alternator number, alternator series, specifications, included components, cross-reference numbers, and product photographs before ordering.

This rebuild kit includes only the components specifically listed in the product description. If you are unsure about compatibility or kit contents, contact RC Auto Electric before ordering.

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