3940639 Fuel Injector Clamp For cumm-ins 4BT 6BT 6CT K19 K38 K50 QSM11 NT855 Engine

Keywords: 3940639, Fuel Injector Clamp, cumm-ins 3940639 injector hold‑down clamp, 4BT 6BT 6CT injector clamp, K19 K38 K50 QSM11 NT855 engine spare parts, diesel engine injector retainer clamp, heavy‑duty engine parts, construction machinery replacement injector clamp

Product Overview

This fuel injector clamp Part No.3940639 is a critical fastening component specially designed for cumm-ins 4BT,6BT,6CT,K19,K38,K50,QSM11,NT855 diesel engines. It firmly locks and fixes the fuel injector onto the cylinder head, preventing injector loosening caused by engine vibration, avoiding fuel leakage and abnormal engine performance. Our aftermarket injector clamp is strictly manufactured according to OEM specification, adopting high‑strength forged steel material with excellent shock‑resistance and fatigue‑resistance, stable performance for heavy‑load construction, mining and generator set working conditions. It is a reliable aftermarket spare part for engine overhaul and injector replacement service.

Detailed Specifications

Key Features & Advantages

• ✅ Exact OEM Dimension Fully matches original mounting size and hole position, direct fit without modification during injector installation.
• ✅ High‑Strength Forged Steel Material Great mechanical strength, anti‑deformation under long‑term engine vibration and high temperature environment.
• ✅ Excellent Fatigue Resistance Stable clamping force, will not get loose after long‑time heavy‑duty operation, reduce risk of injector failure.
• ✅ Strict Production & Inspection Precision machining surface, each piece passes hardness and appearance inspection before delivery.
• ✅ Cost‑Effective Aftermarket Replacement Perfect alternative for original clamp for engine rebuild, repair and maintenance projects.

Application Scope

Compatible Equipment List: ‑ Applicable Engine: cumm-ins 4BT, 6BT, 6CT, K19, K38, K50, QSM11, NT855 Diesel Engine ‑ Widely applied for excavators, trucks, generator sets, mining machinery and heavy‑duty construction equipment, for engine overhaul and spare‑parts replacement.

Our Company Advantage

• We are professional supplier of full‑range cumm-ins diesel engine spare parts, supplying injectors, injector clamps, pistons, bearings and other engine replacement accessories. ‑ Large ready stock for cumm-ins engine spare parts ‑ Factory direct wholesale competitive price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping ‑

• Shock‑proof individual inner package to prevent scratch, deformation during transit ‑ Outer reinforced export carton for long‑distance sea and land 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 engine spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.