High Quality ISDE6.7 QSL9 Injector Fuel Supply Connector 4088576

Keywords: 4088576 injector fuel supply connector, ISDE6.7 QSL9 injector connector, fuel inlet pipe for common rail injector, engine fuel system fitting, excavator engine spare parts, aftermarket replacement connector

🔹Product Overview

Injector Fuel Supply Connector Part No.4088576 is precision‑machined fuel delivery fitting, compatible with ISDE6.7 and QSL9 diesel engines. It is installed between high‑pressure fuel rail and fuel injector, responsible for transferring high‑pressure diesel fuel steadily to injector assembly. This replacement part effectively solves common troubles including high‑pressure fuel leakage, fuel pressure instability, engine power drop and rough running caused by thread damage, sealing ring aging and connector deformation. Strict dimensional inspection ensures reliable sealing performance under long‑term high‑pressure working condition for heavy‑duty trucks and construction machinery.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ OEM‑equivalent size and thread specification, perfect matching for ISDE6.7 and QSL9 engine, direct replacement.

✅ Adopts high‑strength alloy steel material, excellent pressure‑resistance and deformation‑resistance performance.

✅ Fine surface machining, good cooperation with sealing ring, effectively prevent high‑pressure fuel leakage.

✅ Stable fuel delivery, maintain normal system fuel pressure, restore normal engine operating condition.

✅ Each connector passes dimensional checking and pressure sealing test before delivery.

✅ Important spare part for ISDE6.7, QSL9 engine fuel rail and injector maintenance.

🔹Application Scope ‑

Fit Equipment: Heavy‑duty trucks, excavators and engineering machinery powered by ISDE6.7 and QSL9 diesel engine ‑ Widely used for repair workshops, equipment fleet maintenance and heavy‑duty engine overhaul 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 ‑

Anti‑collision foam protects precision thread and sealing surface ‑ Export‑grade outer carton for safe sea and land 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.