Suitable for example:
For several tractor-style riding mowers manufactured by Husqvarna
e.g. Craftsman, Flymo, HOP, Husqvarna, Jonsered, Lazer, McCulloch, Partner, Poulan, Rally, Wizard, etc.
Drive belt tensioner
in models (PNC); 964778400, 964777800, 960610360, 960610277, 960160012, 960110265, 960110264, 954170080, 9541700-80, 964-77-84-00, 964-77-78-00, 917.28031
(outer diameter 89 mm, central hole 9.7 mm, tightens the strap from the back side)
Replace the original numbers:
Husqvarna 5321791-14, 532179114, Rally 179114