Hydraulic Safety Lock CAT Excavator 312GC 320GC 330GC 336GC 345GC 349GC PN: 511-5921

Hydraulic Safety Lock Switch (Pilot Control) for CAT GC-Series Excavators | Lucas Parts

Maintain absolute control over your machinery's safety systems with this premium Hydraulic Safety Lock Switch from Lucas Parts. Specifically engineered for Caterpillar (CAT) Next Generation GC-Series excavators, this critical electrical component syncs directly with your pilot control safety lever to instantly isolate or activate hydraulic pressure, preventing dangerous, accidental machine movements on the job site.

Built to integrate seamlessly with the modern cab designs and updated electrical architectures of the CAT GC lineup, this heavy-duty switch delivers immediate contact response, rugged environmental sealing, and a flawless factory fit.

Key Features & Benefits

• Fail-Safe Safety Control: Provides reliable, instantaneous electrical cut-off to ensure the hydraulic pilot system completely locks out whenever the operator safety bar is raised.

• Next Gen GC Optimization: Precision-tailored to handle the modern cab layouts and advanced monitoring networks found on electronic-over-hydraulic GC-Series equipment.

• Rugged Heavy-Duty Build: Formulated with top-tier, wear-resistant housing and robust weather sealing to protect internal electrical contacts from fine dust, cab moisture, and excavator grease.

• Plug-and-Play Installation: Engineered as a direct aftermarket replacement that seamlessly matches factory wiring harnesses and mounting locations for a fast, hassle-free swap that reduces costly machine downtime.

Machine Compatibility

This hydraulic safety switch is precision-engineered to support the following Caterpillar (CAT) Next Generation GC excavator models:

• CAT 312GC

• CAT 320GC

• CAT 330GC

• CAT 336GC

• CAT 345GC

• CAT 349GC

Specifications

• Brand: Lucas Parts

• Product Type: Hydraulic Safety Lockout Switch / Pilot Control Switch

• Condition: 100% Brand New Aftermarket Replacement

• Fitment Type: Direct Plug-and-Play Replacement

The Lucas Parts Advantage Safety and electrical components are the heartbeat of modern equipment operations. At Lucas Parts, we supply fleet managers and owner-operators with field-tested aftermarket alternatives that deliver original-equipment level reliability without the steep dealership markup. Keep your crew protected and your machinery earning.