PREMIUM REPLACEMENT PARTWe strongly suggest comparing the posted picture to your faulty unit!SPINDLE ASSEMBLY w/BOLTS 2 SETSSPECS: Height 5 1/2″Hub Diameter 5″Includes grease zerkFITS ONMTD CUB CADET X590 Tractor Multi-Terrain Series (Export) -PC12400X590 Tractor Multi-Terrain Series -PC12400 X710 Signature Tractor Series -PC11843X738 Signature Tractor Series -PC11846 X739 Signature Tractor Series -PC11847X754 Signature Tractor Series -PC11849X758 Signature Tractor Series -PC11850Z425 EZtrak Mower (W/ 48inch Deck) -PC9594 Z425 EZtrak Mower (W/ 54inch Deck) -PC9594Z435 EZtrak Residential Zero Turn Mower 48 inch Deck -PC12590Z435 EZtrak Residential Zero Turn Mower 54 inch Deck -PC12590Z445 EZtrak Mower (With 48-IN Deck) -PC9595Z445 EZtrak Mower (With 54-IN “High C” Deck) -PC9595Z445 EZtrak Mower (With 54-IN Deck) -PC9595 Z465 EZtrak Mower (With 62-IN Convertible Deck) -PC9705Z535M ZTrak Mower -PC12791Z540M ZTrak Mower -PC12792Z540M ZTrak Mower Mower Deck, 62C -PC12792