Bosch Alternator 12V 120A Part No. 1986A00653

The Bosch Alternator 12V 120A is a passenger alternator with a 120 amp charge current and part number 1986A00653. It is listed as an alternator type excl. vacuum pump, so the exact application needs to be checked against the vehicle’s charging system before ordering.

This unit uses direct fastening and is supplied as each. It is manufactured in Spain and comes with a 12 month warranty. The listed packaging dimensions are 24 cm long, 18.5 cm wide, and 20 cm high, which may be useful if you are comparing freight or workshop storage requirements.

Bosch notes this alternator is made from high quality raw materials, is corrosion resistant, and uses a reduction drive designed to maintain continual speeds for easier starting. For buyers matching a replacement alternator, the most important checks are the 12V system, 120A output, and the part number 1986A00653.

Key Features

• Bosch passenger alternator
• 12V system with 120A charge current
• Part No. 1986A00653
• Excludes vacuum pump
• Direct fastening fitment
• Manufactured in Spain

Specifications

• Brand: Bosch
• Product type: Alternator Passenger
• Alternator charge current: 120A
• Alternator type: Excl. vacuum pump
• Fastening type: Direct fastening
• Warranty: 12 months
• Unit of measure: Each
• Manufactured in: Spain

Verified fitment applications

• Mercedes-Benz Sprinter 2-T
• Mercedes-Benz Sprinter 3-T
• Mercedes-Benz Sprinter 4-T
• Mercedes-Benz Sprinter 5-T
• Mercedes-Benz Sprinter 2-T 2000 to 2006
• Mercedes-Benz Sprinter 3-T 2000 to 2003

Application and Buying Notes

Before purchasing, confirm the alternator part number 1986A00653 against the vehicle you are repairing. The unit is a 12V 120A alternator and is listed as excl. vacuum pump, so both the electrical specification and the physical layout need to match the original unit on the vehicle.

Fitment data provided for this alternator includes Mercedes-Benz Sprinter applications, including Sprinter 2-T, 3-T, 4-T and 5-T. The previewed applications also show Sprinter 2-T from 2000 through 2006 and Sprinter 3-T from 2000 through 2003, but the exact engine and vehicle variant still need to be checked against the vehicle build details before supply is confirmed.

The fastening type is direct fastening, which is important if the replacement alternator needs to mount in the same way as the original unit. The recommended additional repair is a V-Belt or V-Ribbed Belt, so it is sensible to inspect the belt condition at the same time, especially if the existing belt shows wear, glazing or cracking.

The stated 120A output suits vehicles that require that charging capacity, but alternator output alone does not confirm fitment. Always compare the connector style, mounting arrangement, pulley configuration and whether the original unit also excludes a vacuum pump before ordering. If any of those points differ, the alternator may not be the correct replacement even when the vehicle model appears similar.

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 1986A00653 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, Fastening Type Direct fastening, Recommended additional repairs V-Belt/V-Ribbed Belt, Packaging width 18.5, Manufactured in Spain, Product Group 1 ROTATING ELECTRICAL, Part No. 1986A00653, Brand BOSCH.

Additional published details for cross-checking include Description Bosch Alternator 12V 120A, Alternator Charge Current [A] 120, Alternator Type excl. vacuum pump, Packaging length 24, Packaging height 20, Product Group 2 ALTERNATORS.

Bosch Alternator 12V 120A. Part number 1986A00653 should be checked first. Listed output rating is 120. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 1986A00653, 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 output 120 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001, MERCEDES-BENZ SPRINTER 2-T 2002. 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.

Compatibility note: Confirm fitment using part number 1986A00653, the 12V 120A specification, the direct fastening arrangement, and the note that this alternator excludes a vacuum pump. Mercedes-Benz Sprinter fitment is listed, but the exact vehicle application still needs to be matched to the original unit before purchase.

FAQ

What is the part number for this Bosch alternator?

The listed part number is 1986A00653. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.

What voltage and charge current does it have?

It is a 12V alternator with a 120A charge current. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.

Does this alternator include a vacuum pump?

No. It is listed as alternator type excl. vacuum pump. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.

What vehicles are shown in the fitment data?

The provided fitment data includes Mercedes-Benz Sprinter 2-T, 3-T, 4-T and 5-T applications. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.

Is any additional repair item recommended?

Yes. The recommended additional repair is a V-Belt or V-Ribbed Belt. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.

Where is this alternator manufactured?

It is manufactured in Spain. For this listing, part number 1986A00653 is the main reference point. Listed output rating is 120. Published fitment references include MERCEDES-BENZ SPRINTER 2-T, MERCEDES-BENZ SPRINTER 2-T 2000, MERCEDES-BENZ SPRINTER 2-T 2001. These details should still be checked against the original unit before ordering.