Piston O-ring Gasket 169/6252/R37-PB Ø 66.04×5.333mm

This precision-sized O-ring gasket replaces worn piston seals in espresso machine group heads and hydraulic assemblies. Designed to restore proper sealing in professional brewing systems where group head pressure, water flow, or piston movement has been compromised by gasket deterioration.

Manufactured to exact 66.04mm outer diameter and 5.333mm cross-section specifications, this gasket ensures accurate fitment in piston assemblies requiring the 169/6252/R37-PB profile.

Specifications

• Reference code: 169/6252/R37-PB
• Outer diameter: 66.04mm
• Cross-section: 5.333mm

Always verify compatibility with your machine's user manual before purchasing.

Compatible Part Numbers