Keywords: 21E3‑0042, Speed Sensor, 21E3‑0042 revolution sensor, Hyundai R225‑7 speed sensor, R220‑5 R210‑7 excavator sensor, Engine Flywheel Housing Speed Sensor, Excavator electric spare parts, Construction machinery sensor replacement
🔹Product Overview
This engine flywheel housing speed sensor, part number 21E3‑0042, is an important electronic monitoring sensor specially designed for Hyundai excavator R225‑7, R220‑5, R210‑7. It is installed on the engine flywheel housing, used to detect the rotational speed of flywheel and transmit accurate RPM signal to the excavator controller, to guarantee normal engine speed display and stable machine operation. Our aftermarket speed sensor is manufactured strictly according to OEM specifications, with stable signal output, strong anti‑interference performance and high durability. It is a perfect replacement spare part to solve speed signal failure, no‑display and related engine fault issues.
🔹Detailed Specifications
| Item | Details |
|---|---|
| Part Number | 21E3‑0042 |
| Product Name | Engine Flywheel Housing Speed Sensor / Revolution Sensor |
| Fit Excavator Model | Hyundai R225‑7, R220‑5, R210‑7 |
| Installation Position | Engine Flywheel Housing |
| Function | Detect Engine Rotational Speed, Send RPM Signal to Controller |
| Type | Aftermarket New Replacement Part |
| Quality Standard | OEM dimension, Signal‑output & ageing testing |
| MOQ | 1 Unit |
| Packing | ARKENOU branded export packing / Neutral export packing |
| Price Term | EXW / FOB / CIF, price negotiable |
| Delivery Time | 3‑7 days for in‑stock items |
🔹Key Features & Advantages
✅ Exact OEM Dimension Strictly produced following original drawing standards, perfect thread size, cable length and plug connector, direct installation without modification.
✅ Stable & Accurate Signal Output High‑sensitivity sensing element, capture flywheel rotation signal precisely, effectively avoid inaccurate speed reading or signal loss.
✅ Strong Anti‑Interference Ability Shielded cable design, resist electromagnetic interference inside the engine cabin, keep stable signal transmission under harsh working environment.
✅ Excellent Wear‑resistant & Waterproof Performance High‑quality metal sensor head and durable outer cable sheath, good sealing property, resist vibration, oil stain, dust and moisture.
✅ Solve Common Faults Effectively fix problems: engine speed no‑display, unstable speed reading, error fault codes, machine power‑limit caused by broken speed sensor.
✅ 100% Pre‑Shipment Testing Every speed‑sensor passes strict signal performance test before delivery to ensure trouble‑free operation after installation.
✅ Direct Plug‑and‑Play Replacement Fully interchangeable with original spare parts, easy to install for excavator electrical system repair.
🔹Application Scope
Specially suitable for Hyundai excavator models: ‑ R225‑7 ‑ R220‑5 ‑ R210‑7 Also fits other related Hyundai heavy‑duty construction machinery with matched speed‑sensor requirement, widely used for excavator electrical troubleshooting and maintenance work.
🔹Our Company Advantage
We are a professional supplier of full‑range excavator spare parts, covering hydraulic components, engine overhaul kits and various excavator electric sensors. We can supply speed sensors, pressure sensors, temperature sensors, solenoid valves, wiring harnesses and other electrical spare‑parts for Hyundai, Komatsu, Cater-pillar, and other famous excavator brands. ‑ Rich stock for Hyundai R‑series excavator spare‑parts ‑ Factory‑direct competitive price ‑ Fast shipment for in‑stock goods ‑ Accept mixed container order for one‑stop spare‑parts purchasing ‑ Provide professional technical matching service for your part‑number inquiry
🔹Packaging & Shipping ‑
Independent shock‑proof inner box for precision speed sensor ‑ Outer reinforced carton with shock‑proof protection for long‑distance sea transportation ‑ Multiple shipping options: sea freight, air freight, express courier for small trial‑order ‑ Full export documents (Commercial Invoice, Packing List) can be offered.
🔹Contact Us
If you need more sensors or spare‑parts for Hyundai R225‑7, R220‑5, R210‑7 excavator, please send your parts list to us. We will offer you our best quotation immediately.