ls1 tensioner pulley

ls1 tensioner pulley


tension pulley

What is a tension pulley?

A tension pulley, also known as an idler pulley, is a vital component in the engine's belt system. It is responsible for maintaining proper tension in the belts, ensuring that they stay in place and provide efficient power transmission.

tension pulley

What happens when a tension pulley goes bad?

When a tension pulley goes bad, it can cause a variety of issues:

  • Increased belt wear and premature failure
  • Noise or squealing from the belt system
  • Loss of power steering or other accessory functions
  • Overheating of the engine
  • Complete belt system failure

cable pulley

When to replace tensioner pulley?

It is recommended to replace the tensioner pulley in the following situations:

  • Visible signs of wear or damage
  • Noise or squealing from the belt system
  • Excessive belt tension or slack
  • Frequent belt replacements
  • During routine maintenance or belt replacement

cable pulley

How to choose or customize the right tension pulley?

When selecting or customizing a tension pulley, consider the following parameters and practical conditions:

  • Belt type and size
  • Load capacity and torque requirements
  • Operating temperature range
  • Environmental conditions (dust, moisture, etc.)
  • Mounting and alignment compatibility

About HZPT

HZPT specializes in designing, developing, and manufacturing high-performance parts, as well as sourcing and exporting aftermarket automotive parts to meet the needs of all customers. Our products are well-received in the European, South American, and Australian markets, earning the trust of many clients. We prioritize product quality and demonstrate a "customer-first service" policy. With a young, vibrant, and capable team, we believe we can provide professional services to fulfill any of your requirements. Fast delivery is one of our advantages.

In China, we have a dedicated factory for developing new products and providing OEM services. Additionally, we have a well-stocked warehouse and timely distribution to meet the needs of many customers. We continuously strive to improve our services and offer the highest quality products at competitive prices. Any inquiries or feedback are greatly appreciated, and please feel free to contact us.


Our company specializes in the production and sales of tension pulleys. We would like to recommend our products to you, aiming to attract your cooperation. Here are five reasons why you should choose our products and work with us:

  1. High-quality materials: Our tension pulleys are made from durable and reliable materials, ensuring long-lasting performance.
  2. Precision engineering: Each tension pulley is meticulously engineered to meet strict standards and provide optimal functionality.
  3. Advanced technology: We utilize the latest technology in the manufacturing process, resulting in precise and efficient tension pulleys.
  4. Wide range of options: We offer a diverse range of tension pulleys, catering to various belt types, sizes, and applications.
  5. Excellent customer service: Our team is dedicated to providing exceptional customer service, prioritizing your satisfaction and addressing any inquiries or concerns promptly.