Bosch Alternator 12V 150A - Part No. 1986A01316

This Bosch alternator is a new 12V, 150A unit with part number 1986A01316. It is listed as an OE product, uses an internal regulator, and is supplied as an alternator excluding vacuum pump.

The unit is set up with a 5 groove pulley, clockwise rotation, and a twin leg alternator mount. Key mounting dimensions provided are 64mm inside mounting legs, 169mm mount centre to centre, 11.5mm adjusting hole diameter, and 12mm pivot hole diameter.

For buyers matching a replacement alternator, the most important checks here are the 12V system, 150A charge output, Bosch make, and the specific mounting and pulley details. These are the points that need to line up with the vehicle application before ordering.

Key Features

• New Bosch alternator
• OE product
• 12V system
• 150A output
• Internal regulator
• 5 groove pulley

Specifications

• Brand: Bosch
• Part No.: 1986A01316
• Type: Alternator
• Voltage: 12V
• Power rating / charge current: 150A
• Regulator type: Internal
• Rotation: CW
• Pulley section: 5 groove

Fitment information

• ALFA ROMEO: 159, 159 2006, 159 2007, 159 2008, 159 2009, plus other listed applications

Application and Buying Notes

Before ordering, confirm the vehicle uses a Bosch alternator with part number 1986A01316 or an application that matches the listed 12V, 150A output. The mounting layout matters as much as the electrical rating, so check the twin leg mount, 64mm inside mounting legs, and 169mm centre-to-centre measurement against the removed unit.

The pulley and drive setup also need to match. This alternator is listed with a 5 groove pulley, 61.5mm pulley outside diameter, and clockwise rotation, so it should only be considered where the belt arrangement and rotation direction are correct for the application.

This unit is described as an alternator excluding vacuum pump and it uses an internal regulator. If the original unit differs in these areas, compare carefully before purchase rather than assuming interchangeability. A V-belt or V-ribbed belt may be an additional repair item worth checking while the system is apart.

The one year warranty applies to the part as supplied, but it does not replace the need to verify fitment first. Matching the Bosch brand, part number 1986A01316, and the physical mounting and pulley details is the safest way to avoid an incorrect order.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number 1986A01316 helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type ALTERNATOR, Unit of Measure EACH, Warranty One Year, Inside Mounting Legs 64mm, Power Rating (Amp) 150, Pulley Section 5 Groove, Rotation CW, Voltage 12, Mount Cnt to Cnt 169mm, Alternator Charge Current [A] 150.

Additional published details for cross-checking include Alternator Type excl. vacuum pump, Packaging length 24, Packaging height 20, Product Group 2 ALTERNATORS, Part No. 1986A01316, Brand BOSCH, Description Bosch Alternator 12V 150A, Adjusting Hole Diameter 11.5, Pivot Hole Diameter 12.

Bosch Alternator 12V 150A. Part number 1986A01316 should be checked first. Listed voltage is 12. Listed output rating is 150. These details form the core reference points used by parts interpreters when confirming the correct replacement.

Mount style is Twin Leg. Regulator type is Internal. Pulley configuration is 5 Groove. Those physical and electrical details should line up with the original unit before the replacement is approved for fitment.

For part number 1986A01316, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a alternator in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 and output 150 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Always confirm compatibility by matching part number 1986A01316 and the listed application details, including 12V, 150A, 5 groove pulley, CW rotation, twin leg mount, and the mounting measurements before buying.

FAQ

What is the part number for this alternator?

The part number listed is 1986A01316. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.

Is this a new or remanufactured alternator?

It is listed as new. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.

What voltage and output does it have?

It is a 12V alternator with a 150A charge current and 150A power rating. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.

Does it have an internal regulator?

Yes. The regulator type is listed as internal. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.

What pulley and rotation details are provided?

It has a 5 groove pulley with a 61.5mm pulley outside diameter and clockwise rotation. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.

What should I check before ordering?

Confirm the part number 1986A01316, 12V system, 150A output, twin leg mount, 64mm inside mounting legs, 169mm mount centre to centre, and the 5 groove pulley arrangement against your existing unit or vehicle application. For this listing, part number 1986A01316 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include ALFA ROMEO 159, ALFA ROMEO 159 2006, ALFA ROMEO 159 2007. These details should still be checked against the original unit before ordering.