DUE TO EMCO, SAKURA FILTERS ARE NOT AVAILABLE FOR SALE.
Cat back-up rings are thin rings that are designed to prevent extrusion of o-rings, lip seals, and reciprocating shaft seals under pressure.
• Outside diameter: 50 mm (1.9 in)
• Inside diameter: 45 mm (1.7 in)
• Thickness: 1.25 mm (0.049 in)
Consult your owner’s manual or contact your local Cat Dealer for more information.