[REPLACE PARTS]: Replace Hustler 604219 [SPECIFICATION]: Size of Pulley: Outer Diameter 4.88", Inner Diameter 0.5", Total Height 1.18" [DURABLE CONSTRUCTION]: Crafted from premium materials, this pulley is built to withstand the demanding conditions of lawn mowing, providing long-lasting durability and reliability for extended use [SMOOTH OPERATION]: The flat design of the pulley ensures smooth and consistent operation, minimizing friction and reducing wear on the mower's drive system components, resulting in improved performance and efficiency [EASY INSTALLATION]: Engineered for hassle-free installation, this pulley can be quickly and easily mounted onto your mower without the need for specialized tools, allowing for convenient maintenance and minimal downtime [COMPATIBLE MODELS]: Fits for Hustler BigDog BlackJack 48" Lawn Tractors: 932640; Fits for Hustler Dash 34", 42" Lawn Tractors: 938480 938498 939231 939249; Fits for Hustler Dash XD 34", 42" Lawn Tractors: 940742EX 940742 940759 940742CE 940759CE 940759EX [COMPATIBLE MODELS]: Fits for Hustler Raptor 36", 42", 52" Lawn Tractors: 937847 934786 934794 935734 935742 935759 935817 937748 937755 937763 937813 937854 938159 938167 938563 938571 938589 938597 938605 939165 939215 939223 939389 934505US 934513US 935767US 939108EX 939116EX [COMPATIBLE MODELS]: Fits for Hustler Raptor Flip 48", 54" Lawn Tractors: 933614 933622 938464 938472 933846US 933853US 938423EX 938431EX; Fits for Hustler Raptor Limited 42", 52" Lawn Tractors: 934802 936492 936500 937771 937862 938613 938977 [COMPATIBLE MODELS]: Fits for Hustler Raptor SD 36", 42", 48" Lawn Tractors: 936716US 935825 936682 936708 937789 938019 938134 938142 938621 938639 938647 938654 939397 939405 934547US 935858US 938365EX 938399EX 938407EX; Fits for Hustler Raptor SD EX 42", 48" Lawn Tractors: 936542EX 936559EX Fits for Hustler BigDog BlackJack 48" Lawn Tractors: 932640; Fits for Hustler Dash 34", 42" Lawn Tractors: 938480 938498 939231 939249; Fits for Hustler Dash XD 34", 42" Lawn Tractors: 940742EX 940742 940759 940742CE 940759CE 940759EX. Fits for Hustler Raptor 36", 42", 52" Lawn Tractors: 937847 934786 934794 935734 935742 935759 935817 937748 937755 937763 937813 937854 938159 938167 938563 938571 938589 938597 938605 939165 939215 939223 939389 934505US 934513US 935767US 939108EX 939116EX. Fits for Hustler Raptor Flip 48", 54" Lawn Tractors: 933614 933622 938464 938472 933846US 933853US 938423EX 938431EX; Fits for Hustler Raptor Limited 42", 52" Lawn Tractors: 934802 936492 936500 937771 937862 938613 938977. Fits for Hustler Raptor SD 36", 42", 48" Lawn Tractors: 936716US 935825 936682 936708 937789 938019 938134 938142 938621 938639 938647 938654 939397 939405 934547US 935858US 938365EX 938399EX 938407EX; Fits for Hustler Raptor SD EX 42", 48" Lawn Tractors: 936542EX 936559EX.