Industrial CT-1672211 Buffer Seal

CAT 167-2211 Buffer Seal is a Caterpillar hydraulic component used as a secondary rod seal to guard the piston rod against sudden system pressure spikes. The part, also marketed as Bulldog CT-1672211 Buffer Seal CAT 167-2211, features a groove width of 4.14 inches, a groove diameter of 0.22 inches, and a rod diameter of 3.5 inches, matching the groove geometry required by Cat cylinders. It supports a broad range of Cat machines, including TRACK-TYPE TRACTOR D9R, D8R II, D11R, D11T, D8T, D8R, D8N; KNUCKLEBOOM LOADER 539; UNDERGROUND ART TRUCK AD30; ARTICULATED TRUCK D300E, 740, D400E II, 735; TRUCK 795F XQ, 795F AC; LOAD HAUL DUMP R1600, R1600G; WHEEL DOZER 824G II, 844, 824H, 834G, 844H, 834H; LANDFILL COMPACTOR 836H, 836G; WHEEL LOADER 988F II, 972G II, 980G II, 988B, 966H, 966G, 980H, 972H, 980G. This seal acts as a secondary rod seal to prevent leakage and protect the rod during high-pressure cycling; for proper fit, verify compatibility with your machine via Cat's parts catalog or consult your Cat dealer with the current configuration before ordering.