1672190 Seal As-Buffer Fits Caterpillar Models

One New Aftermarket Replacement Buffer Seal for Caterpillar (Cat) Hydraulic Cylinders

This urethane lip-type buffer seal installs in Caterpillar hydraulic cylinders to absorb shock loads and pressure spikes, protecting the primary sealing system from sudden impacts and fluctuating pressure. The hinged-lip design reduces friction, heat, and wear under low-pressure conditions and acts as a check valve to allow back-pressure relief, extending the service life of the entire cylinder seal assembly.

Specifications

• Material: Urethane
• Durometer: 92A
• Nominal Inner Diameter: 1-3/4 in (45 mm)
• Nominal Outer Diameter: 2-5/16 in
• Temperature Range: -22 degrees F to 230 degrees F
• Style: Lip-type buffer seal (1-piece)
• Max Rod Speed: 3 ft/sec

Compatible Models

This buffer seal is used across a wide range of Caterpillar (Cat) hydraulic cylinder applications. Confirm fitment using your machine model and serial number.

Caterpillar Motor Graders: 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, and additional Cat models

Replaces Part Number(s):

1672190, 167-2190, 6J9178, 8C9123

Aftermarket Interchange Numbers

CAT-1672190, CT-1672190, CTC-1672190

New aftermarket replacement part - not remanufactured, not used.