Excavator Engine Spare Parts 3950661 Connecting Rod Bearing Set for cumm-ins ISB6.7 ISC ISL L9 QSL9 Engine

Keywords: 3950661, connecting rod bearing set, cumm-ins ISB6.7 engine con‑rod bearing, diesel engine overhaul spare parts, crankshaft bearing shell, construction machinery replacement parts

🔹Product Overview

This connecting rod bearing set, OEM part number 3950661, is a vital engine overhaul component specially engineered for cumm-ins ISB6.7, ISC, ISL, L9, QSL9 diesel engines. It creates a friction‑reducing sliding surface between the connecting rod and crankshaft journal, bearing heavy dynamic load while ensuring sufficient lubricating‑oil clearance. Our aftermarket bearing shells are made of high‑performance bimetal alloy material and processed with precision finishing treatment. Every bearing set has passed strict clearance inspection, thickness tolerance and surface quality test. It is the ideal replacement spare‑part for engine rebuilding, solving common failures including bearing wear, abnormal knocking noise, low oil pressure and connecting‑rod scratch damage.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ Exact OEM Dimensions Perfect wall thickness, curvature and oil clearance, direct fit with no extra machining work.

✅ Premium Bimetal Alloy Material Excellent load‑bearing capacity, anti‑fatigue property and wear‑resistance under heavy‑duty working condition.

✅ Optimized Lubrication Performance Precise oil clearance maintains stable engine oil pressure, effectively prevent metal‑to‑metal contact.

✅ Fine Surface Finish Low‑friction inner surface reduces power loss and protects crankshaft journal from scratch.

✅ Effectively Resolve Typical Engine Troubles Eliminate engine knocking noise, low oil pressure, connecting‑rod bearing abrasion failure.

✅ 100% Pre‑Shipment Quality Inspection Every connecting rod bearing set is fully checked before shipment to avoid defective goods.

🔹Application Scope

Compatible with cumm-ins ISB6.7, ISC, ISL, L9, QSL9 diesel engines. Widely applied to heavy‑duty trucks, excavators, construction machinery, generator sets and industrial equipment engine repair & overhaul projects.

🔹Our Company Advantage

We are a professional supplier of full‑series cumm-ins diesel engine spare‑parts. We supply complete overhaul kits including piston assemblies, piston rings, cylinder liners, crankshaft bearings, connecting rod bearings, gaskets and fuel injectors. Rich stock for cumm-ins ISB / ISL / L9 series engine spare‑parts Competitive factory‑direct wholesale price Shock‑proof carton packaging to protect precision metal bearing shells Support mixed‑container order for one‑stop spare‑parts purchasing Provide professional part‑number matching technical service for your inquiry

🔹Packaging & Shipping

Independent anti‑rust plastic bag + shock‑proof export carton box, prevent scratch, oxidation and extrusion deformation during long‑distance sea‑transportation Outer carton reinforced for long‑haul logistics Support sea freight, air freight, international logistics for heavy cargo Complete export documents are available (Commercial Invoice, Packing List)

🔹Contact Us

If you need more connecting rod bearings, crankshaft bearings or full engine overhaul kits for cumm-ins engines, please send your parts list to us. We will provide you our best quotation promptly.