The KUHN VNB0621 is a genuine OEM chain tensioner designed to maintain proper chain tension across a wide range of KUHN agricultural equipment. This critical component prevents chain slack, which reduces wear on sprockets and chains, thereby extending the lifespan of drive systems. Manufactured to KUHN's exacting standards, this tensioner ensures reliable and efficient power transmission for various machine operations. With a length of 95 mm, width of 51 mm, height of 51 mm, and a weight of 0.12 kg, it is built for precise fit and long-lasting performance.