Bosch Starter Motor 12V 1.0KW 10 Tooth CCW - 1986S00790

This Bosch starter motor is a 12V rotating electrical unit with a 1.0kW power rating, 10 teeth on the pinion, and CCW rotation. The part number is 1986S00790, and the unit is listed as an OE product, which makes it important to match the specification details carefully before ordering.

Key dimensions on this starter motor include an overall length of 210mm, a 76mm flange diameter, 11.0mm mount hole diameter, and a pinion at rest measurement of 42mm. It has 2 mounting bores and is listed for dry clutch applications.

The starter is made in China and is sold as each. Packaging dimensions are 32.5 x 18 x 13.9, which may help when checking storage, freight, or workshop intake requirements. The listed warranty is 12 months.

Key Features

• Bosch starter motor
• 12V electrical system
• 1.0kW power rating
• 10-tooth pinion
• CCW rotation
• OE product

Specifications

• Brand: Bosch
• Part number: 1986S00790
• Type: Starter motor
• Voltage: 12V
• Power rating: 1.0kW
• Rotation: CCW
• Number of teeth: 10
• Flange diameter: 76mm

Fitment guidance

• Fitment data is listed for Audi A3 and TT applications.
• Fitment data is listed for Skoda Octavia applications.
• Fitment data is listed for Volkswagen EOS, Golf, Jetta, and Scirocco applications.
• Year coverage appears in the supplied fitment data for multiple models, including Audi A3 2004 to 2013, Skoda Octavia 2005 to 2013, and Volkswagen EOS 2007 to 2015.
• Because starter fitment can vary by engine and build details, confirm the part number and the existing starter specifications before ordering.

Application and Buying Notes

When comparing this Bosch starter motor to the unit already on the vehicle, the most useful checks are the part number 1986S00790, 12V voltage, 1.0kW power rating, 10-tooth pinion, and CCW rotation. The flange diameter is 76mm, the overall length is 210mm, and the pinion at rest is 42mm, so physical match matters as much as electrical match.

The starter is listed with 2 mounting bores and an 11.0mm mount hole diameter. Those measurements should be checked against the removed part, especially where the vehicle has had previous repairs, engine changes, or starter replacement with a non-genuine unit.

Fitment listings provided for Audi, Skoda, and Volkswagen models are useful starting points, but they are not a substitute for checking the actual vehicle details. Matching the part number, rotation direction, and key dimensions is the safest way to confirm you have the right starter for the job.

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 1986S00790 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 STARTER MOTOR, Unit of Measure EACH, Warranty 12 Months, Mount Hole Diameter 11.0, Overall Length 210mm, Power Rating 1.0kW, Voltage 12, Number of mounting bores 2, Packaging width 18, Manufactured in China.

Additional published details for cross-checking include Product Group 1 ROTATING ELECTRICAL, Part No. 1986S00790, Brand BOSCH, Description Bosch Starter Motor 12V 10Th CCW, Flange Diameter 76mm, Number of Teeth 10, Pinion at Rest 42mm, Rotation CCW, Wet / Dry Clutch Dry, Packaging length 32.5.

Bosch Starter Motor 12V 10Th CCW. Part number 1986S00790 should be checked first. Listed voltage is 12. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number 1986S00790, 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 starter motor in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Available application references include AUDI A3, AUDI A3 2004, AUDI A3 2005, AUDI A3 2006, SKODA OCTAVIA, SKODA OCTAVIA 2005. 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 compatibility using part number 1986S00790, the 12V / 1.0kW rating, 10-tooth CCW configuration, and the listed mounting and dimension details before ordering.

FAQ

What is the part number for this Bosch starter motor?

The part number is 1986S00790. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.

What voltage and power rating does it have?

It is a 12V starter motor with a 1.0kW power rating. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.

How many teeth does the pinion have?

The pinion has 10 teeth. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.

What is the rotation direction?

The starter motor is CCW rotation. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.

What vehicle families are listed in the fitment data?

The supplied fitment data includes Audi A3 and TT, Skoda Octavia, and Volkswagen EOS, Golf, Jetta, and Scirocco applications. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.

What should I check before buying?

Confirm the part number 1986S00790, 12V voltage, 1.0kW power rating, 10-tooth CCW configuration, 2 mounting bores, and the listed dimensions including 210mm overall length and 76mm flange diameter. For this listing, part number 1986S00790 is the main reference point. Listed voltage is 12. Published fitment references include AUDI A3, AUDI A3 2004, AUDI A3 2005. These details should still be checked against the original unit before ordering.