Cloyes B10021 Replacement Engine Timing Belt

The Cloyes B10021 is a precision-engineered OE-replacement engine timing belt designed to restore accurate valve timing and reliable engine performance. Built to meet or exceed original equipment manufacturer (OEM) specifications, this timing belt delivers the quality and fitment professionals and DIYers expect from Cloyes — the world leader in timing drive systems.

Key Features:

• OEM-quality construction: Engineered to meet or exceed original equipment performance requirements for a quiet, maintenance-free experience
• Wear-resistant fabric: Durable belt material resists oil contamination and high engine heat for extended service life
• High-tensile strength cord construction: Minimizes stretch to maintain precise engine timing over the life of the belt
• CAD designed and manufactured: Premium materials and precision engineering ensure proper fit and reliable function
• Extensively tested: Each belt is measured and verified for function, fitment, and durability before leaving the factory
• Direct replacement: Designed for specific vehicle applications — consult the Cloyes application catalog to confirm fitment

Cloyes recommends replacing the belt tensioner(s) and idler pulley(s) at the same time as the timing belt, as these components are critical to system stability and accurate engine timing. As part of the most complete timing belt catalog in the aftermarket, the B10021 reflects over a century of engineering excellence from a brand trusted by technicians and engine builders worldwide.