MPA Electrical 19437 Starter Motor

Remanufactured Starter for Toyota Tundra and 4Runner

MPA Electrical Part Number 19437 is a remanufactured 12-volt starter built for Toyota Tundra and Toyota 4Runner applications. It uses a permanent magnet gear reduction design with a 1.6 kW rating and clockwise rotation for OE-style starting performance.

This remanufactured starter is built by MPA Electrical and sourced from Nippondenso specifications. It is a direct-fit replacement for select Toyota Tundra and 4Runner models, including vehicles with the Cold Climate Package where noted in the fitment data.

Key Features

• Permanent magnet gear reduction starter design
• 1.6 kW output for 12-volt starting systems
• Clockwise rotation
• 10-tooth drive configuration
• Remanufactured to match OE application requirements
• Built to Nippondenso specifications

Detailed Description

MPA Electrical 19437 is a remanufactured starter for Toyota trucks and SUVs that require a Nippondenso-style unit with a permanent magnet gear reduction layout. The 10-tooth, clockwise-rotation design supports proper engagement with the engine ring gear, while the 1.6 kW rating matches the electrical demand of the listed applications. This part number is used across 2003-2014 Toyota Tundra and 2003-2009 Toyota 4Runner fitments, with specific notes for Cold Climate Package coverage on certain Tundra models.

This part cross-references BBB Industries 17946 for the same application. Part number 19437 is also referenced against OE and aftermarket numbers including 28100-31040 and 428000-1241 for select Toyota Tundra and 4Runner starting systems.

What It Helps Solve

• Slow or weak engine cranking
• No-start conditions caused by starter failure
• Intermittent starter engagement
• Grinding or improper pinion engagement
• Electrical starting issues in Toyota Tundra and Toyota 4Runner applications

Installation Notes and Tips

Verify the vehicle year, engine configuration, and Cold Climate Package notes before ordering. Fits 2011-2014 Toyota Tundra, N/A; 2007-2010 Toyota Tundra, N/A; 2005-2006 Toyota Tundra, N/A; and 2003-2009 Toyota 4Runner, N/A. Confirm the starter drive tooth count, rotation, and OE reference before installation to ensure correct application match.

Quality Assurance

MPA Electrical remanufactured starters are built to meet application-specific OE requirements for fit and function. This starter is intended for direct replacement use in the listed Toyota applications and follows the original Nippondenso-style design parameters for the vehicle platform.