OEM-compatible relief valve (part #105-7457 / 1057457) designed for Caterpillar 3054 and 3064 diesel engines, as well as 311 and 312 hydraulic excavators.

Description

Relief Valve – Replacement for Caterpillar CAT Engine 3054 / 3064

Aftermarket relief valve engineered for reliable hydraulic pressure regulation in Caterpillar CAT diesel engines. Precision-manufactured components ensure drop-in compatibility with correct fitment.

Technical Specifications

• Part Numbers: CA1057457, 105-7457, 1057457
• Condition: New, aftermarket replacement
• Function: Hydraulic pressure relief and regulation for engine systems

Vehicle & Equipment Compatibility

Fits Caterpillar CAT Equipment:

• CAT Engine 3054
• CAT Engine 3064
• CAT Excavator 311
• CAT Excavator 312

Why Choose This Relief Valve

The relief valve is a critical component of your equipment’s hydraulic system, regulating pressure to protect engine and hydraulic circuits from overload. This replacement unit delivers:

• Consistent pressure regulation – Maintains safe operating pressure across hydraulic circuits
• Exact-fit installation – Direct replacement with correct port size and mounting configuration
• Durable construction – Built to withstand high-pressure and high-temperature operating conditions
• Cost-effective solution – Aftermarket quality at a fraction of dealer pricing

Package Contents

• 1 × Relief Valve

Essential for heavy equipment maintenance, excavator repair, and preventive service. Keep your Caterpillar CAT engine running reliably on the job site.

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