Keywords: 4307021, Fuel Injection Pump, QSL8.9 injection pump, 4307021 fuel pump, QSL8.9 engine spare parts, diesel fuel injection pump, excavator engine parts, heavy‑duty engine replacement injection pump
Product Overview
This diesel engine fuel injection pump Part No.4307021 is a core fuel supply component specially designed for QSL8.9 diesel engine. It precisely controls fuel supply pressure, fuel delivery volume and injection timing, ensuring good fuel atomization, optimizing combustion efficiency, improving engine power performance and lowering fuel consumption. Our aftermarket fuel injection pump is strictly manufactured and bench‑calibrated according to OEM specification, with stable fuel supply performance, suitable for heavy‑load working conditions of excavators and construction machinery. It is a reliable aftermarket spare part for engine overhaul and fuel system repair.
Detailed Specifications
| Item | Details |
|---|---|
| Part Number | 4307021 |
| Product Name | Diesel Fuel Injection Pump |
| Fit Engine | QSL8.9 Diesel Engine |
| Application | Engine overhaul & fuel system repair, replace faulty, worn or uncalibrated original injection pump |
| Function | Provide high‑pressure diesel fuel, control fuel delivery quantity and injection timing for engine combustion |
| Type | Aftermarket New Fuel Injection Pump |
| Quality Standard | OEM dimension matching, bench calibration & performance test before shipment |
| MOQ | 1 Unit |
| Packing | Individual shock‑proof inner box + export carton packing |
| Price Term | EXW / FOB / CIF, price negotiable |
| Delivery Time | 3‑7 days for in‑stock items |
Key Features & Advantages
Application Scope
Compatible Equipment List: ‑ Applicable Engine: QSL8.9 Diesel Engine ‑ Widely used for excavators, generator sets, heavy‑duty trucks, construction machinery engine rebuild and spare‑parts replacement.
Our Company Advantage
We are professional supplier of full‑range diesel engine spare parts, supplying fuel injection pump, injector, oil pump, water pump, engine rebuild kits and other replacement accessories. ‑ Large ready stock for various engine components ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service
Packaging & Shipping ‑
Independent shock‑proof inner package, protect internal precision parts from collision damage ‑ Outer export carton for safe land and sea transportation ‑ Multiple shipping selections: sea freight, air freight, international express for small trial orders ‑ Export documents including 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.