This is a A-B1XT0379 CLUTCH, PTO XTREME X0379 PN: B1XT0379Main Description As Following : A-B1XT0379 CLUTCH, PTO XTREME X0379 P.N: B1XT0379 Cool Coil TechnologyHigh Temperature Bearing UpgradeReplaceable Pulley BearingSuper Smooth "Xtreme Precision" Machined PulleyUpgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire HarnessCrankshaft: 1Pulley: 6.3Rotation: CCWBelt: 1/AB Crossed From: X0379 XTREME , 110-6766 EXMARK , 110-6766 TORO / WHEEL HORSE , 1106766 EXMARK , 1106766 TORO / WHEEL HORSE , 255-823 STENS , 255823 STENS , 5219-81 WARNER , 521981 WARNER Found in Section & Models : Sunbelt - Electrical > Electric PTO Clutches, Exmark (UNDEFINED): SEVERAL, Toro / Wheel Horse (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Cool Coil Technology High Temperature Bearing Upgrade Replaceable Pulley Bearing Super Smooth "Xtreme Precision" Machined Pulley Upgraded to 3 Layer "Xtreme TOUGH" Integrated, Water Tight Wire Harness Crankshaft: 1 Pulley: 6.3 Rotation: CCW Belt: 1/AB