1672190 - SEAL AS-BUFFER 6J9178 8C9123 Fits Caterpillar (Fits CAT) !!!0!
1672190 - SEAL AS-BUFFER 6J9178 8C9123 Fits Caterpillar (Fits CAT) !!!0!
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One New Aftermarket Replacement Buffer Seal Fits Caterpillar (Fits CAT) Hydraulic Cylinders
This urethane buffer seal (Seal Assembly - Buffer) installs in Fits Caterpillar (Fits CAT) hydraulic cylinders, where it absorbs shock loads and pressure spikes to protect the primary sealing system. The hinged-lip design reduces friction, heat, and wear under low-pressure conditions and acts as a check valve allowing back-pressure relief, extending the service life of the entire cylinder seal assembly.
Specifications
- Type: Buffer Seal (lip-type, urethane)
- Nominal Inner Diameter: 1-3/4 in. (45mm rod diameter)
- Nominal Outer Diameter: 2-5/16 in.
- Housing Diameter: 2.283 in.
- Nominal Height: 0.115 in.
- Groove Width: 0.14 in.
- Material: Urethane
- Temperature Range: -22 degrees F to 230 degrees F
Compatible Models
Fits 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, 14M, 160H, 160K, 160M, 160M 2, 16M
Cross-reference your Fits CAT model and serial number against your parts manual to confirm this seal fits your specific hydraulic cylinder application.
Replaces Part Number(s):
167-2190, 1672190, 6J9178, 8C9123, 3Y8948
Aftermarket Interchange Numbers
Fits CAT-1672190, CT-1672190, CTC-1672190, CT1672190
New aftermarket replacement part - not remanufactured, not used.



