Genuine-style throttle knob switch designed for Hyundai R-series excavators including R140LC-7, R160LC-7, R180LC-7, R210LC-7, R220LC-7, R250LC-7, R290LC-7, R300LC-7, R305LC-7, and R320LC-7 — direct replacement for part numbers 21N8-20505 and 21N8-20506.

Description

Throttle Knob Switch – Replacement for Hyundai Excavator R-7 Series

Aftermarket throttle knob switch engineered for reliable engine speed control in Hyundai R-7 Series excavators. Precision-manufactured components ensure drop-in compatibility with correct fitment.

Technical Specifications

• Part Numbers: 21N8-20500, 21N8-20502, 21N8-20503, 21N8-20504, 21N8-20505, 21N8-20506, 21N820500, 21N820502, 21N820503, 21N820504, 21N820505, 21N820506
• Condition: New, aftermarket replacement
• Function: Engine throttle speed control via rotary knob switch

Equipment Compatibility

Fits Hyundai Excavator Models:

• R140LC-7
• R160LC-7
• R180LC-7
• R210-7H, R210LC-7, R210LC-7H, R210NLC-7
• R220LC-7, R220LC-7H
• R250LC-7
• R290LC-7, R290LC-7A, R290LC7H
• R300LC-7
• R305LC-7
• R320LC-7, R320LC-7A
• R340LC-7
• R360LC-7, R360LC-7A
• R370LC-7
• R450LC-7
• R500LC-7
• R510LC-7

Why Choose This Throttle Knob Switch

The throttle knob switch is a critical control component of your excavator, allowing the operator to precisely adjust engine RPM for varying work demands. This replacement unit delivers:

• Precise throttle control – Smooth, accurate engine speed adjustment for efficient operation
• Exact-fit installation – Direct replacement with correct connector and mounting configuration
• Durable construction – Built to withstand heavy-duty jobsite conditions and continuous operator use
• Cost-effective solution – Aftermarket quality at a fraction of dealer pricing

Package Contents

• 1 × Throttle Knob Switch

Essential for excavator maintenance, electrical system repair, and preventive service. Keep your Hyundai excavator operating at the right speed for every job.

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