Bosch Alternator 12V 150A Excl. Vacuum Pump Part No. 1986A00873

This Bosch alternator is a 12V, 150A unit identified by part number 1986A00873. It is listed as an alternator passenger type, with an alternator charge current of 150A and an alternator type of excl. vacuum pump, so it is important to match the electrical setup and mounting arrangement before ordering.

The unit uses a double pivot lever fastening type and is supplied as each. Packaging dimensions are 24 cm long, 18.5 cm wide and 20 cm high, and the alternator weighs 6.910 kg. It is manufactured in Spain and carries a 12 month warranty.

Bosch lists this alternator for Porsche applications, including Porsche 911, Porsche Boxster and Porsche Cayman references in the fitment data provided. The fitment coverage shown includes Porsche 911 model references across multiple years, but the correct application still needs to be checked against the vehicle and the existing part number before purchase.

Key Features

• 12V alternator with 150A charge current
• Bosch part number 1986A00873
• Alternator type: excl. vacuum pump
• Double pivot lever fastening type
• Manufactured in Spain
• 12 month warranty

Specifications

• Brand: Bosch
• Product type: Alternator passenger
• Power rating: 150A
• Voltage: 12V
• Unit of measure: each
• Recommended additional repair: V-belt / V-ribbed belt
• Weight: 6.910 kg
• Packaging size: 24 x 18.5 x 20 cm

Fitment guidance

• Porsche 911
• Porsche Boxster
• Porsche Cayman
• Fitment preview includes Porsche 911 model references across multiple years
• Confirm the vehicle’s alternator setup matches an excl. vacuum pump unit
• Check the part number 1986A00873 against the vehicle application before ordering

Application and Buying Notes

This alternator is a 12V, 150A Bosch unit, so the key buying checks are the charging system voltage, output requirement and the physical alternator type. The listed specification excl. vacuum pump is especially important because a unit with the wrong auxiliary equipment arrangement will not be the correct match, even if the connector style looks similar.

Fitment data provided for this part references Porsche 911, Porsche Boxster and Porsche Cayman applications, including Porsche 911 model references across multiple years. Even with that coverage, the safest approach is to match the vehicle by part number 1986A00873 and confirm the alternator specification on the car, especially where prior repairs, engine variants or belt drive changes may have altered the original setup.

For workshop planning, the alternator weighs 6.910 kg and is packed at 24 x 18.5 x 20 cm. Those details can help with handling, freight planning and comparing against the removed unit. The 12 month warranty applies to the part as supplied, but warranty cover does not replace the need to confirm the correct application before installation.

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 1986A00873 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 PASSENGER, Unit of Measure EACH, Warranty 12 Months, Voltage 12, Fastening Type Double Pivot Lever, Recommended additional repairs V-Belt/V-Ribbed Belt, Packaging width 18.5, Manufactured in Spain, Product Group 2 ALTERNATORS.

Additional published details for cross-checking include Part No. 1986A00873, Brand BOSCH, Description Bosch Alternator 12V 150A, Power Rating (Amp) 150, Alternator Charge Current [A] 150, Alternator Type excl. vacuum pump, Packaging length 24, Packaging height 20, Weight 6.910kg, Product Group 1 ROTATING ELECTRICAL.

Bosch Alternator 12V 150A. Part number 1986A00873 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.

For part number 1986A00873, 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 passenger 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.

Available application references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998, PORSCHE 911 1999. Even with application listings, final confirmation should still be based on the exact unit being replaced and the service requirements of the vehicle or machine.

The listed warranty is 12 Months. Warranty terms should be considered alongside correct application and part identification, as warranty does not replace fitment confirmation.

Compatibility note: Please confirm vehicle compatibility by matching Bosch part number 1986A00873, the 12V 150A specification, and the alternator type excl. vacuum pump against the vehicle’s existing unit and application details before purchase.

FAQ

What is the Bosch part number for this alternator?

The Bosch part number listed is 1986A00873. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.

What voltage and output does this alternator have?

It is a 12V alternator with a 150A charge current and 150A power rating. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.

Does this alternator include a vacuum pump?

No. The alternator type is listed as excl. vacuum pump. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.

Which vehicle ranges are shown in the fitment data?

The fitment data references Porsche 911, Porsche Boxster and Porsche Cayman applications, with Porsche 911 model references shown across multiple years. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.

What mounting style is listed?

The fastening type is listed as double pivot lever. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.

What extra repair is recommended when fitting this alternator?

The recommended additional repair is a V-belt or V-ribbed belt. For this listing, part number 1986A00873 is the main reference point. Listed voltage is 12. Listed output rating is 150. Published fitment references include PORSCHE 911, PORSCHE 911 1997, PORSCHE 911 1998. These details should still be checked against the original unit before ordering.