Eppendorf Res.3 piston spring 100µL yellow 3102636004

This OEM piston spring is a replacement part specified by Eppendorf for the Research® plus pipette family. Color‑coded yellow and intended for the 100 µL piston, the spring is specified to support the variable 10–100 µL range and the fixed stops at 25 µL, 50 µL and 100 µL. It is used during routine servicing or repair to restore piston return/load tension and to maintain correct dispensing action and volume performance.

Key Features:

• Manufacturer part number (Eppendorf): 3120610006 — piston spring for 100 µL piston.
• Color code: yellow (service identification).
• Volume compatibility: variable 10–100 µL; fixed positions at 25 µL, 50 µL and 100 µL.
• Intended for: Eppendorf Research® plus pipette lower/piston assemblies (replacement service part).

Advantages:

• Restores correct spring tension to help maintain pipette accuracy and repeatability after maintenance or part replacement.
• Color coding (yellow) makes the 100 µL spring easy to identify during servicing and parts inventory management.
• OEM specification ensures correct fit and function with the specified Eppendorf pistons, supporting reliable routine servicing and preserving original performance.