Throttle Motor 21EN‑32260 For Hyundai R300LC‑9S R330LC‑9S Excavator Electrical Parts
High‑precision aftermarket throttle stepping motor compatible with Hyundai R300LC‑9S & R330LC‑9S excavators, original‑equivalent accelerator actuator for engine speed control system repair.
Key Features
- Standard OEM part number 21EN‑32260, perfectly matched for Hyundai R300LC‑9S / R330LC‑9S excavators
- Stable stepping motor structure, accurate engine speed regulation, quick response and precise control
- Wear‑resistant gear and high‑precision motor core, long service life under heavy‑load construction‑site vibration
- Exact plug‑and‑play wiring harness connector, direct installation without program modification
- Waterproof, dust‑proof and anti‑interference circuit design, adapts to dusty, high‑temperature harsh environments
- Strict full‑function testing before shipment, stable idle speed, no jitter or speed runaway
- Supports automatic speed adjustment, cruise control and fault‑free communication with excavator ECU
- Wide compatibility with Hyundai 9‑series large excavator models
Product Information
| Item |
Specification |
| Part Number |
21EN‑32260 |
| Product Name |
Throttle Motor / Accelerator Motor / Stepping Motor |
| Matched Excavator |
Hyundai R300LC‑9S, R330LC‑9S |
| Material |
High‑Strength Gear, Industrial‑Grade Motor Core, Sealed Waterproof Housing |
| Function |
Engine speed control, automatic acceleration/deceleration, idle speed adjustment |
| Application |
Hyundai Large Excavator Engine Control System |
| Condition |
Brand New Aftermarket Replacement |
Related Products
| Category |
Replaceable Part Numbers & Compatible Models |
| General OEM Series |
21EN‑32260, 21EN‑32201 |
| Compatible Excavator Models |
R290LC‑9S, R300LC‑9S, R330LC‑9S, R380LC‑9S |
Fitment Application
- Specially designed for Hyundai R300LC‑9S and R330LC‑9S large excavators, widely used in open‑pit mining, large‑scale earthmoving, quarrying and heavy‑duty construction machinery maintenance.





Q1: What is the OEM part number?
A1: Main part number is 21EN‑32260.
Q2: Which excavators does it fit?
A2: Hyundai R300LC‑9S, R330LC‑9S large excavators.
Q3: Is it plug‑and‑play?
A3: Yes, original‑standard connector, direct installation without modification.
Q4: What is the main function?
A4: Control engine speed, realize automatic acceleration/deceleration and idle adjustment.
Q5: Is it suitable for heavy‑duty mining conditions?
A5: Yes, sealed waterproof structure, stable for long‑time heavy‑load operation.