Diesel Engine Water Outlet Connection Pipe 3940631 For cumm-ins 6CT8.3 QSL9

Keywords: 3940631, Water Outlet Pipe, Engine Water Outlet Connection, cumm-ins 6CT8.3 QSL9 Cooling System Parts, Excavator Diesel Engine Spare Parts, Engine Cooling Replacement Parts

Product Overview

This engine water outlet connection pipe 3940631 is an essential cooling‑system component for cumm-ins 6CT8.3 and QSL9 diesel engines, widely fitted on excavators, wheel loaders, heavy‑duty trucks and other engineering machinery. Constructed from high‑strength, high‑temperature‑resistant metal material, it connects the engine cylinder head and radiator, circulating coolant to dissipate excess engine heat effectively. This premium aftermarket replacement part can resolve common failures such as coolant leakage, overheating, water‑pipe cracking and poor heat dissipation. It is a reliable spare‑part for cooling‑system maintenance and full engine overhaul.

Detailed Specifications

Key Features & Advantages

• Exact OEM‑Matching Installation Dimension Precision‑cast size, mounting holes and pipe angle perfectly match original equipment, direct installation with no cutting or modification required.
• Premium High‑Temperature‑Resistant Metal Material Excellent heat‑resistance, pressure‑resistance and anti‑corrosion performance, resistant to cracking and deformation under long‑time high‑temperature coolant circulation.
• Fine‑Sealing End Surface Flat and smooth connecting flange surface, fits tightly with gaskets to prevent coolant seepage.
• Strict Multi‑Step Factory Inspection Each water outlet pipe undergoes dimension testing, leakage simulation check and anti‑rust treatment before shipment.
• Cost‑Effective Engine Repair Solution Replace the damaged outlet pipe to stop coolant loss, eliminate engine over‑heating risk, and avoid severe secondary damage such as cylinder‑head warping.

Application Scope

Compatible Engine Models: ‑ cumm-ins 6CT8.3 ‑ cumm-ins QSL9 Suitable for excavators, wheel loaders, bulldozers, heavy‑duty cargo trucks and other construction machinery powered by cumm-ins 6CT8.3 / QSL9 diesel engines.

Our Company Advantage

We are a professional supplier of comprehensive excavator and heavy‑duty machinery spare‑parts. We provide cooling system spare‑parts, pistons, cylinder liners, piston rings, bearings, fuel injector accessories, cylinder heads, water pumps, full‑set engine overhaul kits and other spare‑parts for cumm-ins, Komatsu, Hino, Hitachi, Cater-pillar, , Sany, Doosan, Hyundai and other well‑known machinery brands. ‑ Large ready‑to‑ship inventory for cumm-ins engine spare‑parts ‑ Factory‑direct competitive wholesale price ‑ Mixed‑order & one‑stop spare‑parts procurement supported ‑ Professional part‑number matching technical support service

Packaging & Shipping

• Individual anti‑rust protection + sealed plastic bag + foam inner buffer
• Outer reinforced export carton to avoid damage during long‑distance sea & land transport
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents including Commercial Invoice, Packing List are available

Contact Us

If you require more cumm-ins cooling‑system components, overhaul spare‑parts or other heavy machinery replacement parts, please send your parts list over to us. We will offer you our best quotation promptly.