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Bosch SR0850X Starter Motor
Reliable Starter for Audi Quattro Models
The Bosch Starter (Remanufactured) SR0850X is engineered to provide dependable starting power for a range of Audi Quattro vehicles. Designed with precision, this 12-volt starter ensures consistent engine engagement for models including the Audi A4 Quattro, A5 Quattro, Q5, and more.
- Voltage: 12V for standard automotive electrical systems
- Power Rating: 1.4 kW for efficient engine cranking
- Mounting Bolt Hole Quantity: 2 for secure installation
- Nose Cone Material: Aluminum with a closed nose design
- Starter Rotation: Clockwise to match OEM specifications
- Solenoid Attached for integrated operation
- Tooth Quantity: 10 for proper gear engagement
- Remanufactured unit meeting OE recommendations
About the Bosch Starter (Remanufactured) Product Line
The Bosch Starter (Remanufactured) line offers remanufactured starters that meet original equipment manufacturer standards. These units are rebuilt using quality components and tested to ensure reliable performance. The SR0850X model maintains the original aluminum finish and includes an attached solenoid, providing a balance of durability and functionality for Audi vehicles.
Detailed Product Description
This Bosch SR0850X starter is designed specifically for select Audi Quattro models such as the A4 Quattro, A5 Quattro, A6 Quattro, Q5, Q7, RS5, RS7, S4, S5, S6, S7, S8, and SQ5. Its 12-volt system and 1.4 kW power rating deliver the necessary torque to start engines efficiently. The aluminum closed nose cone enhances durability while reducing weight. With two mounting bolt holes and a clockwise rotation, this starter aligns with factory specifications. The attached solenoid simplifies installation and operation, although mounting hardware and shims are not included.
Common Applications and Issues Addressed
- Engine fails to crank or slow cranking speed
- Intermittent starting problems in Audi Quattro models
- Starter motor noise or grinding during engine start
- Electrical faults related to starter solenoid failure
- Replacement of worn or damaged starter units
Installation Notes and Tips
Ensure the vehicle battery is fully charged before installation. The SR0850X starter requires two mounting bolts and a clockwise rotation alignment. Since mounting hardware and shims are not included, retain original parts or source compatible hardware separately. Verify solenoid connections and secure all electrical terminals to prevent starting issues. Professional installation is recommended to maintain proper fitment and function.
Quality Assurance and Warranty
This remanufactured Bosch starter meets original equipment recommendations, ensuring compatibility and performance for Audi Quattro vehicles. Each unit undergoes rigorous testing to verify electrical and mechanical integrity. Warranty coverage details should be confirmed at the point of purchase, reflecting Boschβs commitment to quality and reliability.
| Brand | Bosch |
|---|---|
| Part Number | SR0850X |
| Position | Starter (Remanufactured) |
| Cases Per Pallet (ORLY) | 125 |
| Mounting Bolt Hole Quantity | 2 |
| Mounting Hardware Included | No |
| Mounting Shims Included | No |
| New Or Remanufactured | Remanufactured |
| Nose Cone Material | Aluminum |
| Nose Cone Type | Closed Nose |
| OE Recommendation | Yes |
| Original Equipment Manufacturer Names | BO |
| Power Rating | 1.4 |
| Solenoid Attached | Yes |
| Starter Finish | Aluminum |
| Starter Rotation | Clockwise |
| Tooth Quantity | 10 |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 93 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Audi | A6 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | A7 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | A8 Quattro | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | RS7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2018 | Audi | S8 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | A6 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | A7 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | A8 Quattro | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | Q5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | RS7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | S5 | 3.0L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2017 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | S8 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2017 | Audi | SQ5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | A7 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | A8 Quattro | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | Q5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | RS7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2016 | Audi | S5 | 3.0L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2016 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | S8 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2016 | Audi | SQ5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | A8 Quattro | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | Q5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | Q7 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2015 | Audi | RS5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2015 | Audi | RS7 | 4.0L | V8 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2015 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2015 | Audi | S5 | 3.0L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2015 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | S8 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2015 | Audi | SQ5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | A8 Quattro | 4.0L | V8 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2014 | Audi | Q5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | Q7 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2014 | Audi | RS5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2014 | Audi | RS7 | 4.0L | V8 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2014 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2014 | Audi | S5 | 3.0L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2014 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | S8 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2014 | Audi | SQ5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2013 | Audi | A8 Quattro | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2013 | Audi | A8 Quattro | 4.0L | V8 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2013 | Audi | Q5 | 3.0L | V6 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2013 | Audi | Q7 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2013 | Audi | RS5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2013 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2013 | Audi | S5 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2013 | Audi | S6 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2013 | Audi | S7 | 4.0L | V8 | N/A | without Start/Stop Feature; Starter (Remanufactured) |
| 2013 | Audi | S8 | 4.0L | V8 | N/A | Starter (Remanufactured) |
| 2012 | Audi | A6 Quattro | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2012 | Audi | A7 Quattro | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2012 | Audi | A8 Quattro | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2012 | Audi | Q5 | 3.2L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2012 | Audi | Q7 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2012 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2012 | Audi | S5 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2012 | Audi | S5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2011 | Audi | A8 Quattro | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2011 | Audi | Q5 | 3.2L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2011 | Audi | Q7 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2011 | Audi | S4 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2011 | Audi | S5 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2011 | Audi | S5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2010 | Audi | A5 Quattro | 3.2L | V6 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2010 | Audi | A5 Quattro | 3.2L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2010 | Audi | Q5 | 3.2L | V6 | N/A | Starter (Remanufactured) |
| 2010 | Audi | S5 | 4.2L | V8 | N/A | with Bosch Unit; Starter (Remanufactured) |
| 2010 | Audi | S5 | 3.0L | V6 | N/A | Starter (Remanufactured) |
| 2010 | Audi | S5 | 4.2L | V8 | N/A | with Valeo Unit; Starter (Remanufactured) |
| 2009 | Audi | A4 Quattro | 3.2L | V6 | N/A | Starter (Remanufactured) |
| 2009 | Audi | A5 Quattro | 3.2L | V6 | N/A | Starter (Remanufactured) |
| 2009 | Audi | Q5 | 3.2L | V6 | N/A | Starter (Remanufactured) |
| 2009 | Audi | S5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
| 2008 | Audi | A5 Quattro | 3.2L | V6 | N/A | Starter (Remanufactured) |
| 2008 | Audi | S5 | 4.2L | V8 | N/A | Starter (Remanufactured) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.