Timing Belt Components
Timing belt components for engine longevity.
Looking for quiet engine operation? Our high-quality belts, pulleys, and tensioners help your timing belt operate with precision.
Durable Materials
Each Cloyes timing belt component is engineered to resist cracking and stretching.
100+ Years of Innovation
Our timing belt components have been shaped by more than a century of experience.
Explore the Cloyes timing belt component lineup.
Timing Belts
Cloyes timing belts are designed for high-mileage replacement, with matched components for dependable performance.
Idler Pulleys
Need to reduce engine vibrations? Our idler pulleys help properly manage tension and guide your timing belt.
Belt Tensioners
Belt tensioners are a critical timing belt component, helping you protect your engine’s timing and prevent wear and tear.
Trust Cloyes timing belt components.
Timing is what we do best. Since 1921, we’ve helped engine builders and racing enthusiasts stay on time.
100%
Production-tested for long-lasting performance.
Proven Durability
Under extreme heat, pressure, and wear.
OE
Level of quality, fit, form, and overall function.
The knowledge behind the repair.
The Cloyes Tech Center brings together installation instructions, technical videos, and product resources to help technicians through the repair.
Tech Video
Tech Video
Timing Drive Systems - 101
Timing Drive Systems 101
timing-drive-systems101
June 1, 2018
Tech Video
Tech Video
When Should You Replace a Sprocket?
This technical video covers why it is important to resist the temptation to not replace the sprockets when doing a timing chain replacement.
when-should-you-replace-a-sprocket
September 26, 2022
Tech Video
Tech Video
Tech Byte: The Evolution of Timing System Complexity
Learn why modern DOHC timing systems are more complex than traditional pushrod engines. Discover the role of tensioners and guides.
tech-byte-the-evolution-of-timing-system-complexity
May 14, 2026
Tech Center
Find the right timing belt component for your engine.
Use the links below to search our part finder or see where Cloyes products are sold near you.
What timing belt components does Cloyes offer?
Cloyes offers individual timing belts, timing belt tensioners, and timing belt idler pulleys. These components support the engine’s belt-driven timing system, helping maintain accurate timing and controlled belt movement.
What is the difference between a timing belt tensioner and an idler pulley?
A timing belt tensioner maintains the tension needed for proper belt operation. An idler pulley supports and routes the belt along its intended path. Both play an important role in keeping the timing belt operating correctly.
Are timing belt components interchangeable with accessory drive components?
No. Timing belt components are designed for the system that synchronizes crankshaft and camshaft rotation. Accessory drive belts, tensioners, and pulleys serve a separate system. Always select the component specified for your engine and its intended location.
Can I replace only the timing belt and reuse the tensioners and idlers?
Cloyes recommends replacing the timing belt tensioners and idlers when replacing the belt. These components wear during use, and reusing worn parts can compromise belt support, tension, and timing system operation.
