'79 Caliper piston seal - Size?

[Tom]

Hi all,

Does anyone know the size of a new caliper piston seal? Mine's bust and i want to get one from a local auto store but don't have the measurements with me!

Cheers

 

[Signal]

38mm I buy mine from the local brake and clutch specialists. Its a common size about $6 each.

 

[Tom]

38mm I buy mine from the local brake and clutch specialists. Its a common size about $6 each.

Cheers mate! Is that 38mm OD?

 

[Tom]

38mm I buy mine from the local brake and clutch specialists. Its a common size about $6 each.

Cheers mate! Is that 38mm OD?

 

[Signal]

Just went to shed and measured. 38mm ID same as brake piston, Square section 3mm thick, OD 44.