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Lucas Remanufactured Alternator Lucas 13729/ 12311741138NO CORE CHARGE
Brand: Lucas USA (Remanufactured).
• Part Numbers: 13729 (Lester) / 12311741138 (BMW).
• Outright Sale — No core return required. Keep your oldunit and save on return shipping.
- Vehicle Fitment: This 140A alternator is primarily used in models with the M60 V8 and M73 V12 engines:
- BMW 7-Series (E38 Chassis)
- 1995 740i / 740iL (4.0L V8 M60)
- 1995–2001 750iL (5.4L V12 M73) — Note: Some 1999+ models transitioned to water-cooled units.
- BMW 8-Series (E31 Chassis)
- 1994–1995 840Ci (4.0L V8 M60)
- 1995–1997 850Ci (5.4L V12 M73)
- BMW 5-Series (E39 Chassis)
- Specific high-option/protection models (e.g., 540iP) in certain markets..
Key Specifications
- Voltage: 12V
- Amperage: 140 Amps
- Pulley: 7-Groove Serpentine Pulley (approx. 45mm–46mm diameter)
- Rotation: Clockwise (CW)
- Plug Type: 2-Pin (ID 0074)
Other OEM 12311741138, 12311702096, 12311741133
Bosch (New): N/ABosch (Reman) AL0747X
Lucas 13729 / LRA01882 (Note: 13729 is often aRemy/WAI number associated with this fitment)
WAI New 13729 N (AlternativeAftermarket) 13729 R
Valeo: 437319 / 444533