BBB Industries 17946 Starter Motor

Reman Starter for Lexus and Toyota Applications

The BBB Industries REMAN STARTER 17946 is a 12-volt replacement starter built with a permanent magnet gear reduction design for dependable engine cranking. It features a closed nose cone, clockwise rotation, an attached solenoid, and a starter drive included for a direct-fit service replacement on select Lexus and Toyota vehicles.

Compatible with Lexus IS250, IS350, GS300, GS350, RC300, RC350, and Toyota Tundra and 4Runner applications, this remanufactured starter is built to match OE-style starting system requirements. The BBB Industries 17946 is a practical choice when diagnosing slow crank, no-start, or intermittent starter engagement concerns on covered vehicles.

Key Features

• Brand: BBB Industries REMAN STARTER
• Part number: 17946
• 12V electrical system application
• 1.6 power rating
• Permanent magnet gear reduction design
• Closed nose cone construction
• Clockwise rotation
• Solenoid attached
• Starter drive included
• OE manufacturer reference: Nippondenso

Product Details

This reman starter is engineered for select Lexus and Toyota starting systems that use a Nippondenso-style OE layout. The 10-tooth pinion, closed nose cone, and gear reduction design support consistent engagement with the engine ring gear, while the attached solenoid simplifies replacement of the starter assembly. The BBB Industries 17946 cross-references 28100-31040 and 428000-1240 for the same application.

Fits 2018 Lexus IS300, N/A; Fits 2018 Lexus IS350, N/A; Fits 2018 Lexus RC300, N/A; Fits 2018 Lexus RC350, N/A; Fits 2016-2017 Lexus IS300, N/A; Fits 2006-2017 Lexus IS350, N/A; Fits 2016-2017 Lexus RC300, N/A; Fits 2015-2017 Lexus RC350, N/A; Fits 2013-2015 Lexus GS350, N/A; Fits 2007-2011 Lexus GS350, N/A; Fits 2006-2015 Lexus IS250, N/A; Fits 2011-2014 Toyota Tundra, N/A; Fits 2005-2010 Toyota Tundra, N/A; Fits 2003-2009 Toyota 4Runner, N/A; Fits 2006 Lexus GS300, N/A.

Common Starting Problems This Part Can Address

• No-crank condition when the ignition is turned
• Slow or weak engine cranking
• Starter solenoid engagement issues
• Intermittent starting on Lexus and Toyota vehicles
• Grinding or poor pinion engagement during startup

Installation Notes and Tips

Verify the vehicle’s build date before ordering, since some 2018 Lexus applications are listed with cutoff dates in 10/2017 or 11/2017. Confirm the 12V system, clockwise rotation, 10-tooth pinion, and closed nose cone configuration against the original unit before installation. Mounting bolts and shims are not included, so reuse or source the correct hardware as needed.

Quality Assurance

BBB Industries remanufactured starters are processed to meet application-specific OE replacement requirements for covered Lexus and Toyota starting systems. This part number 17946 is built around the OE manufacturer layout identified as Nippondenso for proper fit and function on the listed vehicles.