
Need to rebuild your vehicle's alternator? This premium rebuild component kit is engineered to meet or exceed original factory specs, ensuring a perfect fit and long-lasting charging performance.
🚗 Vehicle Application Details
- Vehicle: BMW 320i, 323i, 323is, 325i, 325is, 328i, 328is, 525i, 525iT, M3, Z3 (Various models from 1992-2000)
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Fitment Details:
- 320i L6 2.0L (1992-1995)
- 323i L6 2.5L (1998-1999)
- 323is L6 2.5L (1998-1999)
- 325i L6 2.5L (1993-1995)
- 325i L6 2.5L Eng Code M20 (1992)
- 325i L6 2.5L Eng Code M50 (1992)
- 325is L6 2.5L (1993-1995)
- 325is L6 2.5L Eng Code M20 (1992)
- 325is L6 2.5L Eng Code M50 (1992)
- 328i L6 2.8L (1996-1999)
- 328is L6 2.8L (1996-1999)
- 525i L6 2.5L Internal Fan (1992)
- 525i L6 2.5L (1993-1995)
- 525iT L6 2.5L (1993)
- M3 L6 3.0L (1994-1995)
- M3 L6 3.2L (1996-1999)
- Z3 L6 3.2L (1998-2000)
🔍 Cross-Reference Alternator Assemblies (Fits These Units)
- BMW: 12-31-1-738-351, 12-31-1-738-352, 12-31-1-744-563, 12-31-1-730-580, 12-31-1-730-602, 12-31-1-735-792, 12-31-1-738-437, 12-31-1-744-560, 12-31-1-744-562, 12-31-1-744-566, 12311738351, 12311738352, 12311744563, 12311730580, 12311730602, 12311735792, 12311738437, 12311744560, 12311744562, 12311744566
- Bosch: 0120465031, 0120485048
- Bosch Reman: AL0739X, AL0749X
- Remy Light Duty: 14485, 14355
- Valeo: 433181, 439070
- Wilson: 90-15-6254, 90-15-6258
- J&N: 400-24198
- Other References: 13471, 13465, 13471RK-A, 13465RK-A
📐 Component-Specific Technical Data
⚡ Voltage Regulator with Brushes Specs
- Technical Specifications: 14.3 Voltage Set Point, A-Circuit, Ignition Activation
- Replaces OEM: BMW 12-31-1-247-892, 12-31-1-730-604, 12-31-1-739-365, 12-31-1-747-920, 12-31-7-739-365, 12311247892, 12311730604, 12311739365, 12311747920, 12317739365
- Bosch Crossovers: 1197311212, 1197311214, 1197311220, 1197311221, 1197311222, 1197311223, 1197311225, 1197311227, 1197311228, 1197311229, 1197311232, 1197311233, 1197311235, 1197311237, 1197311238, 1197311241, 1197311519, 1197311521, 1197311522, 1197311527, 1197311528, 1197311540, 1987237076
- Other Ref: IB385
⚡ Slip Ring Specs
- Dimensions: 52mm L x 7.1mm ID x 16.1mm OD
- Interchange Numbers: Bosch 1124303007, F00M143019
- Other Crossovers: 7120202, 313-24002, 28-91852
⚡ Drive End Bearing (Front) Specs
- Industry Number: 54700 / 6303-2RS
- Dimensions: 17mm ID x 47mm OD x 14mm W
- Interchange Numbers: 1120905533, 6-303-4W
⚡ Rotor SRE Bearing (Rear) Specs
- Industry Number: 54000 / 6203-2RS
- Dimensions: 17mm ID x 40mm OD x 12mm W
- Interchange Numbers: 1120905525, 6-203-4W
⚡ Bearing Tolerance Ring Specs
- Dimensions: 40.3mm ID x 42.8mm OD x 16.6mm W
- Interchange Numbers: 1120591103, 46-91552
❤️ Our Worry-Free Promise
Because automotive electrical parts are highly specific, we want you to buy with total confidence. If you tear down your alternator and realize you need a different size or configuration, don't sweat it. We offer easy, no-hassle returns and fast refunds. We are here to help your DIY build succeed!