Bosch Alternator 12V 90A Part No. 1986A00791

The Bosch Alternator 12V 90A is a rotating electrical component with a 90 amp charge current and part number 1986A00791. It is listed as an alternator type excl. vacuum pump, so the application needs to suit that configuration before purchase.

This unit uses a double pivot lever fastening type and is supplied as each. The listed warranty is 12 months, and the alternator is manufactured in China under the Bosch brand.

For buyers comparing charging system parts, the key identifiers here are 12V, 90A, and 1986A00791. Those details matter because alternators are commonly matched by output, mounting style, and application rather than by vehicle name alone.

The product is described as corrosion resistant and made from quality raw materials, with a reduction drive designed to maintain continual speeds for easier starting. As always, the safest approach is to confirm the part number and the vehicle application together before ordering.

Key Features

• Bosch alternator, 12V 90A
• Part No. 1986A00791
• Alternator type: excl. vacuum pump
• Double pivot lever fastening type
• Corrosion resistant construction
• Reduction drive design

Specifications

• Brand: Bosch
• Product type: Alternator
• Charge current: 90A
• Voltage: 12V
• Part No.: 1986A00791
• Unit of measure: Each
• Fastening type: Double pivot lever
• Alternator type: Excl. vacuum pump

Fitment

• FORD
• FORD F-250
• FORD F-250 1999
• FORD F-250 2000
• FORD F-250 2001
• FORD F-250 2002
• FORD F-250 2003
• FORD F-250 2004

Application and Buying Notes

Before ordering, confirm the vehicle application against part number 1986A00791 and check that the alternator is the excl. vacuum pump version. That detail is important because mounting and accessory layout must match the vehicle’s charging system setup.

The 12V and 90A ratings tell you the electrical specification of the unit. If the replacement alternator does not match the required voltage or charge current, it may not suit the vehicle’s system correctly.

The listed fastening type is double pivot lever, so mounting points need to line up with the existing setup. If the mounting arrangement differs, the alternator may not install as expected even if the brand appears similar.

The packaging dimensions are 28 x 22.5 x 22.5, which can be useful when checking storage, freight handling, or workshop receiving requirements. For the most reliable match, use the part number, electrical rating, and mounting style together rather than relying on appearance alone.

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 1986A00791 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 12 Months, Fastening Type Double Pivot Lever, Recommended additional repairs V-Belt/V-Ribbed Belt, Packaging width 22.5, Manufactured in China, Product Group 1 ROTATING ELECTRICAL, Part No. 1986A00791, Brand BOSCH.

Additional published details for cross-checking include Description Bosch Alternator 12V 90A, Alternator Charge Current [A] 90, Alternator Type excl. vacuum pump, Packaging length 28, Packaging height 22.5, Product Group 2 ALTERNATORS.

Bosch Alternator 12V 90A. Part number 1986A00791 should be checked first. Listed output rating is 90. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 1986A00791, 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 output 90 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include FORD F-250, FORD F-250 1999, FORD F-250 2000, FORD F-250 2001. 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 by checking part number 1986A00791, the 12V 90A specification, and the excl. vacuum pump application details against the vehicle before purchasing.

FAQ

What is the part number for this alternator?

The part number is 1986A00791. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.

What are the voltage and output ratings?

It is a 12V alternator with a 90A charge current. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.

Does this alternator include a vacuum pump?

No. The listed alternator type is excl. vacuum pump. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.

What mounting style is listed?

The fastening type is double pivot lever. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.

Is a belt check recommended with this part?

Yes. A V-Belt/V-Ribbed Belt is listed as a recommended additional repair. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.

What warranty is listed for this product?

The listed warranty is 12 months. For this listing, part number 1986A00791 is the main reference point. Listed output rating is 90. Published fitment references include FORD F-250, FORD F-250 1999, FORD F-250 2000. These details should still be checked against the original unit before ordering.