Description

The 16620-31021 Belt Tensioner is a vital engine component designed for Lexus GS300, GS350, IS250, and IS300 models. It maintains the correct tension on the serpentine belt, which powers essential engine accessories such as the alternator, power steering pump, and air conditioning compressor.

A worn or faulty belt tensioner can cause belt slippage, noise, and premature belt wear, leading to decreased engine efficiency and potential breakdowns. The OEM-quality 16620-31021 ensures precise fitment and dependable performance, keeping your Lexus running smoothly.

Manufactured with durable, heat-resistant materials, this belt tensioner provides long-lasting service life. It maintains consistent belt tension, preventing belt misalignment and reducing vibration that can damage the belt or engine components. The direct-fit design allows for straightforward installation by professional mechanics or skilled DIY enthusiasts.

Key Features:
OEM replacement for Lexus GS300, GS350, IS250, IS300
Maintains optimal serpentine belt tension for efficient accessory function
Durable construction resists wear and heat
Reduces belt noise and extends belt lifespan
Easy, direct-fit installation

If your Lexus GS or IS series experiences belt noise or accessory malfunctions, the 16620-31021 Belt Tensioner is the trusted solution to restore smooth and reliable engine operation.