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Bosch SR0423X Starter Motor
Reliable Starter for Audi Passat and Volkswagen S4
The Bosch Starter (Remanufactured) SR0423X is designed to provide dependable engine starting performance for select Audi and Volkswagen models. Engineered to meet original equipment specifications, this 12-volt starter ensures consistent power delivery and durability for your vehicle.
Key Features of Bosch Starter SR0423X
- Voltage: 12V for standard automotive electrical systems
- Power Rating: 1.8 kW to support efficient engine cranking
- Mounting Bolt Hole Quantity: 2 for secure installation
- Nose Cone Material: Aluminum with a closed nose design for corrosion resistance
- Starter Rotation: Clockwise to match OEM requirements
- Solenoid Attached: Yes, integrated for simplified installation
- Tooth Quantity: 9 for proper engagement with the flywheel
- Remanufactured unit meeting OE recommendations
About the Bosch Starter (Remanufactured) Product Line
The Bosch Starter (Remanufactured) line offers remanufactured starters that adhere to strict quality standards and OE specifications. These starters are rebuilt using original components and tested to ensure reliable performance and longevity. The SR0423X model is part of this line, providing a cost-effective alternative to new starters without compromising on quality or fitment.
Detailed Product Description
This Bosch SR0423X starter is specifically designed for use in Audi Passat and Volkswagen S4 vehicles. Featuring a robust aluminum closed nose cone, it resists environmental wear while maintaining structural integrity. The clockwise rotation and 9-tooth pinion gear ensure proper meshing with the engine’s flywheel, delivering smooth and consistent engine starts. With two mounting bolt holes, the starter secures firmly to the engine block. The integrated solenoid simplifies wiring and installation, making it a practical replacement part for your vehicle’s starting system.
Common Applications and Issues Addressed
- Replacement for faulty or worn-out starters in Audi Passat and Volkswagen S4
- Resolves intermittent or no-start conditions caused by starter failure
- Eliminates grinding or unusual noises during engine cranking
- Addresses slow or weak engine turnover due to starter power loss
- Restores reliable starting performance in vehicles with electrical starting issues
Installation Notes and Tips
- Ensure battery voltage is 12V and fully charged before installation
- Verify clockwise starter rotation matches vehicle specifications
- Use existing mounting hardware as this unit does not include bolts or shims
- Check alignment of the 9-tooth pinion gear with the flywheel teeth
- Test starter operation before final assembly to confirm proper function
Quality Assurance and Warranty
This remanufactured Bosch starter meets original equipment manufacturer recommendations and undergoes rigorous testing to ensure performance and durability. While specific warranty details may vary, Bosch remanufactured starters typically include a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.
| Brand | Bosch |
|---|---|
| Part Number | SR0423X |
| Position | Starter (Remanufactured) |
| Cases Per Pallet (ORLY) | 68 |
| 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 | 1.8 |
| Solenoid Attached | Yes |
| Starter Finish | Aluminum |
| Starter Rotation | Clockwise |
| Tooth Quantity | 9 |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Volkswagen | Passat | 2.0L | L4 | N/A | Starter (Remanufactured) | |
| 2004 | Volkswagen | Passat | 2.0L | L4 | N/A | Starter (Remanufactured) | |
| 2002 | Audi | S4 | 2.7L | V6 | N/A | with Valeo Unit; Starter (Remanufactured) | |
| 1997 | Volkswagen | Passat | Wagon | 1.9L | L4 | N/A | From 03/1997; 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.