Bosch SR3291X Starter Motor

Bosch SR3291X Remanufactured Starter

The Bosch SR3291X is a remanufactured 12-volt starter built for dependable engine cranking in select Lexus applications. It uses a closed nose aluminum housing, clockwise rotation, and an attached solenoid to match the original starter design for the listed vehicles.

Key Features

• Remanufactured Bosch starter for OE-style replacement
• 12V electrical system with 1.6 power rating
• Clockwise starter rotation
• Closed nose design with aluminum nose cone and aluminum finish
• Solenoid attached for direct starter assembly replacement
• 10-tooth drive gear and 2 mounting bolt holes

Product Details

Bosch Premium Starters are remanufactured, built, and tested to deliver consistent starting performance and reliability. The SR3291X is designed for Lexus vehicles that use the specified starter configuration, including 2006 Lexus GS300, 2006-2009 Lexus IS250, 2007-2009 Lexus GS350, 2010 Lexus GS350, 2010 Lexus IS250, 2011 Lexus GS350, 2011-2015 Lexus IS250, 2013-2015 Lexus GS350, 2015-2017 Lexus RC350, 2016-2017 Lexus IS300, 2016-2017 Lexus RC300, 2006-2017 Lexus IS350, and 2018 Lexus IS300, IS350, RC300, and RC350 with the listed production-date notes. This part number, SR3291X, is also a direct reference point for shoppers cross-checking OE-style starter replacement needs on Lexus GS350, IS250, and RC350 applications.

What It Helps Address

• Slow or weak engine cranking
• No-start conditions caused by starter failure
• Intermittent starter engagement
• Grinding or inconsistent starter drive operation
• Electrical starting issues tied to worn starter components

Installation Notes

Verify the vehicle’s production date before ordering, especially for 2010, 2018 Lexus IS300, IS350, RC300, and RC350 applications with date-specific fitment notes. Confirm the starter rotation, 10-tooth drive, 2-bolt mounting pattern, and closed nose configuration match the original unit before installation. Mounting hardware and shims are not included, so reuse or source the correct hardware as needed. The attached solenoid simplifies replacement of the complete starter assembly.

Quality Assurance

Bosch remanufactured starters are built and tested to meet application-specific performance and reliability expectations for the listed Lexus fitments. This SR3291X is a remanufactured unit designed to restore proper starting function with OE-style dimensions and electrical specifications.