The Ultimaker Sliding Block Pack for UM2 is an OEM spare parts pack containing 4 sliding blocks for the Ultimaker 2 3D printer. Sliding blocks are the precision friction-fit components that ride along the XY cross rods, translating belt-driven motion into accurate printhead movement. Over time, sliding blocks wear due to continuous motion and occasional friction, leading to play in the print head and reduced print accuracy. Replacing them restores the tight tolerances needed for high-quality prints.

This is the correct pack for Ultimaker 2 machines. Sliding blocks are a standard maintenance item for high-mileage Ultimaker machines and are recommended as part of a regular service interval or whenever print quality issues such as dimensional inaccuracy or ghosting artifacts are traced to XY play. Also available for S5/S7/S8, S3 and UM3/2+C - use the correct pack for your printer model.

Key features

• Pack of 4 OEM sliding blocks provides enough parts to replace all four blocks in a single service pass.
• Genuine Ultimaker replacement parts maintain factory tolerances for precise XY print head movement.
• Designed specifically for the Ultimaker 2 rod geometry and cross-rod dimensions.
• Restoring worn sliding blocks eliminates printhead play and resolves dimensional accuracy and ghosting issues.
• Standard maintenance component with a straightforward replacement procedure requiring basic tools.
• Also available for S5/S7/S8 (210000007272), S3 (210000007273) and UM3/2+C (210000007274) - use the correct pack for your model.

Compatible with: Ultimaker 2 (UM2)

In the box: 4 x Ultimaker Sliding Block