O-ring gasket 6.6 x 3.8 x 1.4 mm for the pressure gauge of the Vaillant gas boiler 981155-01

Gasket O-Ring 6.6x3.8x1.4 mm for Vaillant gas boiler pressure gauge 981155-01
Spare part type: Gasket
Outer diameter, mm: 6.6
Inner diameter, mm: 3.8
Thickness, mm: 1.4