The Muncie FMB-661 (also referenced as FMB661) is a genuine Muncie idler tensioner designed for Muncie power takeoff applications. The idler tensioner is a critical drive component that maintains proper belt or chain tension within the PTO assembly, helping to keep the unit running within its designed operating parameters. Pro Gear and Transmission carries this genuine Muncie part for fleet shops and independent mechanics sourcing direct replacements. Call us to confirm this is the correct tensioner for your specific Muncie PTO configuration before ordering.
Features
Genuine Muncie replacement idler tensioner
Part number FMB-661, also referenced as FMB661
Designed for Muncie power takeoff (PTO) applications
Direct OEM-style replacement for the idler tensioner position
Sold by Pro Gear and Transmission
