Mobile Equipment Seal Kits

40 mm Rod Kit

M-PK-N-N-14-80mm

90 mm Piston Kit

PK-N-N-14-100

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 | 2 1/8 in Nominal Inner Diameter | Buffer Seal

Caterpillar® part numbers are used as a reference only. We do not imply that these parts are original equipment parts.

3 in Nominal Inner Diameter | Piston Seal

4 in Nominal Inner Diameter | Piston Seal

4 in Nominal Inner Diameter | Piston Seal

Caterpillar® part numbers are used as a reference only. We do not imply that these parts are original equipment parts.

3 1/2 in Nominal Inner Diameter | Piston Seal

COMM, 7.905 Vee Set/Wiper

SK-I-U-10-30.00X50.00