Part #: SR0451N

Bosch SR0451N Starter Motor

Starter (New)
33 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Starter (New)
Fitment: Porsche, 911
Easy Returns — Return within 60 days for a full refund
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Reliable Starter for Porsche 911 Vehicles

The Bosch Starter (New) SR0451N is designed specifically for Porsche 911 models, providing dependable engine starting performance. This 12-volt starter features a robust 1.7 kW power rating and a closed aluminum nose cone for durability and efficient operation.

  • Voltage: 12V for standard automotive electrical systems
  • Power Rating: 1.7 kW to ensure consistent engine cranking
  • Mounting Bolt Hole Quantity: 2 for secure installation
  • Nose Cone Material: Aluminum with a closed nose design for protection
  • Starter Rotation: Counterclockwise to match Porsche 911 engine requirements
  • Solenoid Attached: Yes, integrated for streamlined installation
  • Tooth Quantity: 11 for proper engagement with the flywheel
  • New unit, not remanufactured, ensuring original performance

About the Bosch Starter (New) Product Line

The Bosch Starter (New) line offers brand-new starters engineered to meet or exceed original equipment specifications. This product line focuses on delivering reliable starting solutions with quality materials such as aluminum nose cones and integrated solenoids. The SR0451N starter exemplifies this approach, providing a direct replacement for Porsche 911 vehicles requiring a counterclockwise rotation starter.

Detailed Product Description

The Bosch SR0451N starter is built with a closed aluminum nose cone that protects internal components from debris and environmental exposure. Its 12-volt electrical system and 1.7 kW power rating provide sufficient torque to crank Porsche 911 engines efficiently. The starter features two mounting bolt holes for a secure fit and includes an attached solenoid to simplify installation. With 11 teeth on the pinion gear, it ensures proper meshing with the flywheel, reducing wear and improving engagement reliability.

Common Issues Addressed by This Starter

  • Failure to crank or slow engine start in Porsche 911 vehicles
  • Intermittent starting problems due to worn or damaged starters
  • Starter noise caused by damaged nose cone or pinion gear
  • Electrical faults related to solenoid failure
  • Replacement of remanufactured or faulty original starters

Installation Notes and Tips

  • Ensure compatibility with Porsche 911 models before installation
  • Verify the starter rotation is counterclockwise to match engine requirements
  • Use existing mounting hardware as this starter does not include bolts or shims
  • Check electrical connections and solenoid wiring for secure fit
  • Inspect flywheel teeth for wear before installing the new starter

Quality Assurance and Warranty

The Bosch Starter (New) SR0451N is a new, original equipment quality part designed to meet strict manufacturing standards. While specific warranty details should be confirmed at the point of purchase, Bosch products typically come with a limited warranty covering defects in materials and workmanship to ensure reliability and customer confidence.

BrandBosch
Part NumberSR0451N
PositionStarter (New)
Cases Per Pallet (ORLY)125
Mounting Bolt Hole Quantity2
Mounting Hardware IncludedNo
Mounting Shims IncludedNo
New Or RemanufacturedNew
Nose Cone MaterialAluminum
Nose Cone TypeClosed Nose
Original Equipment Manufacturer NamesBO
Power Rating1.7
Product Length11.279528 in
Solenoid AttachedYes
Starter FinishAluminum
Starter RotationCounterclockwise
Tooth Quantity11
Voltage12

This part fits 33 vehicles. Search below:

YearMakeModelBody TypeDrive TypeTransmissionLitersCylindersPositionNotes
2011Porsche9113.8LH6N/AStarter (New)
2011Porsche9113.6LH6N/AStarter (New)
2011Porsche9114.0LH6N/AStarter (New)
2010Porsche9113.8LH6N/AStarter (New)
2009Porsche9113.6LH6N/AStarter (New)
2008Porsche9113.6LH6N/AStarter (New)
2007Porsche9113.6LH6N/AStarter (New)
2005Porsche9113.6LH6N/AStarter (New)
2004Porsche9113.6LH6N/AStarter (New)
2003Porsche9113.6LH6N/AStarter (New)
2002Porsche9113.6LH6N/AStarter (New)
2001Porsche9113.6LH6N/AStarter (New)
1998Porsche911RWDManual3.6LH6N/AStarter (New)
1998Porsche911AWD3.6LH6N/AStarter (New)
1998Porsche911Targa3.6LH6N/AStarter (New)
1997Porsche911RWDManual3.6LH6N/AStarter (New)
1997Porsche911AWD3.6LH6N/AStarter (New)
1997Porsche911Targa3.6LH6N/AStarter (New)
1997Porsche9113.6LH6N/AStarter (New)
1996Porsche911ConvertibleRWDManual3.6LH6N/AStarter (New)
1996Porsche911CoupeRWDManual3.6LH6N/AStarter (New)
1996Porsche911AWD3.6LH6N/AStarter (New)
1996Porsche911Targa3.6LH6N/AStarter (New)
1996Porsche9113.6LH6N/AStarter (New)
1995Porsche911RWDManual3.6LH6N/AStarter (New)
1995Porsche911AWD3.6LH6N/AStarter (New)
1994Porsche9113.6LH6N/AStarter (New)
1993Porsche911AWD3.6LH6N/AStarter (New)
1993Porsche911RWDManual3.6LH6N/AStarter (New)
1993Porsche9113.6LH6N/AStarter (New)
1992Porsche9113.6LH6N/AStarter (New)
1991Porsche9113.6LH6N/AStarter (New)
1990Porsche9113.6LH6N/AStarter (New)

* 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:

996604107009966041070199660410702

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.