Bucket Cylinder Seal Kit 1764914 for CAT 320B 322C 325B | Hydraulic Repair Set 1232044

Stop Hydraulic Drift & Recover Full Digging Power

Fluid leakage across the bucket cylinder directly compromises breakout force, slows down cycle times, and wastes fuel. This heavy-duty hydraulic seal kit restores internal pressure integrity for Caterpillar 320B, 322C, and 325B excavators using bucket cylinder part numbers 1764914 and 1232044.

Engineered for severe duty cycle applications, every component in this set is matched to original factory dimensions to ensure immediate pressure recovery without modification.

Material & Performance Engineering

• High-Pressure Rod & Piston Seals: Molded from premium-grade Polyurethane (PU) to maintain physical shape under severe pressure spikes up to 35 MPa.

• Secondary Static Seals & O-Rings: Nitrile Rubber (NBR 70°/80° Durometer) offers complete thermal stability across extreme oil temperature variations while resisting fluid oxidation.

• Integrated Wiper Ring: Keeps abrasive quarry dust, fine dirt, and slurry from entering the cylinder barrel, protecting the chrome rod from scoring.

Fits the Following Caterpillar Equipment & Components

• Machine Models: CAT 320B, CAT 322C, CAT 325B

• Cylinder Assembly Reference: 1232044 (Bucket Cylinder)

• Kit Part Number: 1764914

Technical Specifications

• Component Type: Hydraulic Bucket Cylinder Seal Kit / Rebuild Pack

• Primary Materials: Polyurethane (PU), Nitrile Rubber (NBR), PTFE backing rings

• Operating Temperature Range: -30°C to 110°C (-22°F to 230°F)

• Fluid Compatibility: Mineral-based hydraulic oils, standard ISO VG 32/46/68 fluids

• Installation Target: Direct replacement drop-in fit for shop or field rebuilds

Fitment Verification Notice

Caterpillar machinery features variation across sub-models and serial prefixes. Prior to ordering, cross-check your cylinder housing stamping or match part number 1764914 / 1232044 in your parts manual to guarantee exact sizing.