Mobile Equipment Seal Kits

115 mm Piston Kit

COMM, 4 3/4 Flat 1 Bearing NYL

2 X 4

SK-P-UB-10-2.125×4.000

These lip-type buffer seals are designed for replacement in Caterpillar® cylinders. The hinged-lip design reduces friction, heat, and wear under low-pressure conditions and acts as a check valve allowing back-pressure relief. Seals for rod sizes 2-1/8” and under do not have a back-up ring.

Urethane Material | 3 1/4 in Nominal Inner Diameter | Buffer Seal

M-SK-P-UB-10-50×100

See Caterpillar® heading in kit catalog for more Caterpillar® replacement parts.

92A Durometer | Urethane Material | 1 7/8 in Nominal Inner Diameter | Buffer Seal

5 in Nominal Inner Diameter | Piston Seal

5 in Nominal Inner Diameter | Piston Seal

See Caterpillar® heading in kit catalog for more Caterpillar® replacement parts.

92A Durometer | Urethane Material | 2 3/4 in Nominal Inner Diameter | Buffer Seal

See Caterpillar® heading in kit catalog for more Caterpillar® replacement parts.

Bronze Filled PTFE Material | 3 1/2 in Nominal Inner Diameter | Buffer Seal