The part is a critical component of the engine cooling system, responsible for circulating coolant between the engine, radiator, and auxiliary cooling devices such as the ZF retarder. This complete kit includes all necessary pipes, fittings, and fasteners for a professional replacement or upgrade of the coolant line system.
This comprehensive Coolant Pipe kit features the Coolant Elbow Pipe, Screw Plug M12X1,5-ST-M3360-RK10-K, Composite Sealing Washer BS-12,7 X18,0 – ST/FPM1-80, O-Ring 60X3 N-FPM 1-70, Hexagon Flange Bolt Q186-M8X25-10.9-MAN183-B1, Insert Pipe diameter 44/DN35 for coolant, Coolant Elbow Pipe (ZF Retarder), O-Ring 57 X 4,5 N-EPDM 9-70, Hexagon Flange Bolt Q186-M10X80-10.9-MAN183-B1, Hexagon Flange Bolt Q186-M8X45-10.9-MAN183-B1, Water Pipe, Hose Connector, and Plastic Fastening Tape B5*180. Every component of this Coolant Pipe is engineered to OEM specifications for a perfect fit and reliable sealing under extreme operating conditions.
The part assembly is designed to withstand the high temperatures and pressures of the engine cooling system. The corrosion-resistant steel pipes and high-quality rubber hoses provide a durable, leak-free connection between the engine, radiator, and auxiliary cooling devices. The included O-rings and sealing washers ensure reliable sealing at all connection points, preventing coolant loss and maintaining proper engine temperature.
For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models for The part.
Whether you are repairing a coolant leak or performing a complete cooling system overhaul, this Coolant Pipe kit delivers factory-quality components and a straightforward installation. This Coolant Pipe is the definitive choice for operators who demand reliable engine cooling and long-term durability.
This pre-formed steel pipe routes coolant between the engine and the radiator. In The part system, it features a 90-degree bend and a 44mm outer diameter, with swaged ends for hose connections. The pipe is manufactured from corrosion-resistant steel with a zinc-nickel coating, ensuring long-term durability.
This screw plug seals a coolant passage in The part system. It features a hexagon socket drive and a zinc-plated finish, with a pre-applied thread sealant for leak-free sealing. The M12X1.5 thread size ensures compatibility with standard coolant system ports.
This sealing washer is used in The part assembly to seal threaded connections. It features a steel core with an FPM rubber coating, capable of withstanding coolant, oil, and temperatures up to 150°C. The washer provides a reliable seal against leakage.
This O-ring seals a flange connection in The part system. Made of FPM rubber with a hardness of 70 Shore A, it withstands coolant and temperatures up to 150°C. The 60mm inner diameter and 3mm cross-section ensure a secure seal.
These high-strength M8 bolts secure The part brackets in the Coolant Pipe system. Grade 10.9 with a zinc-nickel coating, they provide reliable clamping force and corrosion resistance. The MAN183-B1 specification ensures compatibility with the C7H engine.
This insert pipe connects two sections of the Coolant Pipe. With a nominal diameter of 44mm and DN35 specification, it is designed to join coolant hoses and tubes securely. The pipe features a barbed design for secure hose retention.
This specialized coolant pipe routes coolant to and from the ZF retarder. In the Coolant Pipe system, it features a unique bend geometry to fit the retarder mounting location. The pipe is made of corrosion-resistant steel with a protective coating.
This O-ring seals the connection of the retarder coolant line. Made of EPDM rubber, it is compatible with coolant and temperatures up to 120°C. The 57mm inner diameter and 4.5mm cross-section provide a reliable seal in the Coolant Pipe assembly.
This long M10 bolt is used for mounting the coolant pipe brackets. In the Coolant Pipe system, it provides secure fastening of heavy components and is grade 10.9 for high tensile strength. The zinc-nickel coating ensures corrosion resistance.
These M8 bolts are used for securing smaller pipe brackets in the Coolant Pipe system. With a length of 45mm, they provide a secure fastening for auxiliary components. They are made of corrosion-resistant steel.
This rigid pipe carries coolant between the engine block and the thermostat housing. In the Coolant Pipe system, it is made of steel with a corrosion-resistant coating and features precision-formed ends for secure hose connections.
This connector joins two coolant hoses in the Coolant Pipe system. It is made of brass with a nickel plating, featuring barbed ends for secure hose retention and a 90-degree bend for routing flexibility.
This cable tie is used to secure hoses and wires in the Coolant Pipe assembly. It is made of UV-stabilized nylon with a tensile strength of 80N, ensuring reliable bundling and routing of coolant lines.
The Coolant Pipe kit is manufactured from corrosion-resistant steel with zinc-nickel coatings and high-quality rubber materials. This ensures reliable operation in the harsh engine bay environment, preventing coolant leaks and maintaining proper engine temperature.
This Coolant Pipe kit includes every component needed for a full cooling line replacement – pipes, plugs, washers, O-rings, bolts, and fastening tape. The pre-formed pipes and matched fittings simplify installation, saving time and ensuring compatibility.
The Coolant Pipe kit includes a dedicated pipe for ZF retarder cooling, ensuring proper integration with the auxiliary braking system. This ensures optimal cooling performance and extends the life of the retarder.
The Coolant Pipe is manufactured to the exact OEM specifications, guaranteeing a perfect fit on the Sitrak C7H. The pre-formed pipes and precision-machined fittings ensure a leak-free seal and reliable engine cooling performance.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
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