21Q710910 21Q7‑10910 Fuse Box for R‑9 Excavator Parts

Keywords: 21Q7‑10910 fuse box, 21Q710910 excavator fuse assembly, R‑9 series excavator fuse box, excavator electrical junction box, excavator circuit protection unit, construction machinery electrical spare parts, aftermarket fuse box with wires

🔹Product Overview

Fuse Box Part No.21Q7‑10910 / 21Q710910 is complete electrical fuse junction box assembly designed for R‑9 series excavators. It undertakes central circuit distribution and over‑current protection for whole machine electrical system, protecting multiple electrical components such as lights, sensors, relays and controllers from short‑circuit and overload damage. This aftermarket replacement unit resolves common electrical faults caused by original box aging, internal short‑circuit, burned‑out fuses, terminal oxidation and wire damage, including random power‑off, partial electric function failure and frequent circuit blowing. Supplied with pre‑wired harness for convenient on‑site installation.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ High‑strength anti‑aging plastic housing, dust‑proof and vibration‑resistant, adapts to harsh construction‑site working conditions.

✅ Standard‑spec terminals and complete pre‑routed wiring harness, accurate pin definition, direct plug‑and‑play replacement.

✅ Reliable over‑current and short‑circuit protection, effectively avoid secondary burning damage to whole‑machine electrical components.

✅ Strictly conducted circuit continuity and insulation testing before delivery, lower field breakdown risk.

✅ Perfect mounting hole positions, no modification required during installation.

✅ Essential electrical spare part for R‑9 excavator maintenance and troubleshooting.

🔹Application Scope ‑

Fit Equipment: R‑9 series hydraulic excavator ‑ Widely applied for site breakdown repair, workshop overhaul, equipment refurbishment and machinery parts replacement projects.

🔹Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine parts, electrical parts, seal kits and complete overhaul kits. ‑ Large ready stock for various machinery spare parts ‑ Factory‑direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Neutral export carton with foam inner protection to avoid damage during long‑distance transportation ‑ Multiple shipping options: sea freight, air freight, international express for small trial orders ‑ Export documents such as Commercial Invoice, Packing List can be provided.

🔹Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.