The Guide Ring (OEM Part No. 55066836) is a wear-resistant polymer mechanical spare part designed for compatible Epiroc mining equipment, including DL2710, DD210, DD310, DL330, DD311, and DD321. It functions as a guiding and positioning component within a mechanical assembly, helping maintain proper alignment and controlled movement between related components. Manufactured from durable wear-resistant polymer, the guide ring is designed to withstand repeated movement and operating conditions found in demanding mining environments. This replacement component is suitable for equipment maintenance and repair applications where reliable guiding performance is required. The 55066836 guide ring provides a practical aftermarket solution for restoring mechanical positioning, reducing component wear, and supporting reliable equipment operation.