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Toyota Genuine

Idler Pulley Sub-Assembly

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About The Product

The Toyota Idler Pulley Sub-Assembly #16603-28030 guides and supports belt movement within the engine, helping related drive components operate with steady, controlled rotation. It is built to match Toyota engine layout requirements for dependable performance and consistent belt tracking.

  • Controlled Belt Path: Helps maintain stable belt routing and alignment
  • Smooth Rotation: Supports steady pulley movement during engine operation
  • Engine Matched Design: Built for Toyota fit and performance needs
  • Integrated Assembly: Provides a direct replacement for specified applications

Genuine Toyota parts are designed to fit your specific Toyota model and are backed by Toyota's genuine parts warranty.


Product Specs
Brand Toyota Genuine
Part Number 16603-28030

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