Polaris 1823898-293 - Replacement MPN: 1823898-293 ASM-SPINDLE RH METRIC RMK RED Genuine Polaris Part # 1823898-293. Polaris 1823898-293 Asm-Spindle Rh Metric Rmk Red Titan RMK Pro-RMK Assault 600. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed. FixMyToys - A Division of Ball Equipment.