8TEN 810-KSP4346N Deck Spindle & Pulley for Spartan RT / SRT Pro / SRT HD / SRT XD 54-Inch — Fits OEM 437-0005-00 & 433-0004-00

8TEN replacement deck spindle assembly (model 810-KSP4346N) engineered for 54-Inch Spartan mower decks. This unit serves as a direct fit for OEM Spindle 437-0005-00 and OEM Pulley 433-0004-00. Compatible models: Spartan RT HD, SRT Pro, SRT HD, and SRT XD equipped with 54-Inch decks. Key specifications: Spindle Height (Inches): 7.05; Blade Mounting Pattern: Circle; Sealed Bearings: Yes; Hardware Included: Yes. Pulley dimensions — Inner (shaft) Diameter (Inches): 1; Outer Diameter (Inches): 5.73; Height (inches): 1.32.