The Cooling System is a vital assembly that regulates engine temperature, ensuring optimal performance and longevity for the Sitrak C7H. This comprehensive kit includes every component needed for a full cooling system replacement or upgrade, from the radiator and intercooler to all hoses, brackets, and fasteners.
This high-quality Cooling System set features the D2676 large cooling module, a dual-pass radiator, an intercooler, an expansion tank, and all necessary rubber hoses, clamps, and mounting hardware. Every part is engineered to OEM specifications for a perfect fit and reliable performance under extreme operating conditions.
The Cooling System is designed to efficiently dissipate heat generated by the engine and the exhaust gas recirculation system, maintaining stable operating temperatures even during heavy hauling and high ambient temperatures. The included fan shroud and dust screen protect the cooling fins from debris, while the heavy-duty clamps ensure leak-free connections.
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 Cooling System.
Whether you are performing a full cooling system overhaul or replacing a worn component, this Cooling System kit delivers factory-quality components and a straightforward installation. This Cooling System is the definitive choice for operators who demand reliable thermal management and long-term durability.
This bracket secures the left side of the radiator to the chassis frame. In the Cooling System, it is made of 4mm thick steel with a powder-coated finish and features rubber isolation mounts to reduce vibration.
This is the main cooling module of the Cooling System, designed for the D2676 engine. It integrates a high-efficiency radiator, an intercooler, and a charge air cooler into a single unit, providing exceptional heat rejection.
The module features a 980mm wide core with aluminum fins and a 52mm tube pitch, optimized for maximum airflow and thermal transfer. It is built to withstand pressures up to 2.5 bar and includes a built-in oil cooler for transmission fluid.
Symmetric to the left bracket, this component secures the radiator’s right side. In the Cooling System, it is identical in construction and finish, ensuring balanced support and alignment.
This plastic shroud directs airflow from the engine-driven fan through the radiator core. In the Cooling System, it is injection-molded from glass-reinforced polyamide for strength and heat resistance up to 150°C.
These tie rods provide structural rigidity to the cooling module. In the Cooling System, they are adjustable to ensure the module remains square and securely attached to the chassis.
This hose carries hot engine coolant to the radiator. In the Cooling System, it is made of EPDM rubber with a fabric reinforcement, rated for temperatures up to 120°C and pressures of 3 bar.
This hose returns cooled coolant from the radiator to the engine. In the Cooling System, it is identical in construction to the inlet hose but routed differently to clear engine components.
This hose connects the turbocharger outlet to the intercooler. In the Cooling System, it is reinforced with aramid fiber to withstand high boost pressures up to 4 bar and temperatures up to 200°C.
This tank maintains the correct coolant level and allows for thermal expansion. In The part, it has a capacity of 3 liters, includes a pressure cap (1.5 bar), and features a low-level sensor port.
This hose connects the expansion tank to the radiator. In The part, it is made of clear silicone for visual inspection and is rated for continuous use at 110°C.
This hose connects the air filter to the engine intake. In The part, it is made of reinforced rubber with a 90mm inner diameter and is resistant to oil, heat, and ozone.
This rigid steel pipe routes coolant from the water pump to the radiator inlet hose. In The part, it is manufactured from stainless steel with a 38mm outer diameter and includes a bleeder valve.
This mesh screen prevents large debris from clogging the radiator fins. In The part, it is made of stainless steel with a 5mm aperture and is easily removable for cleaning.
These brackets secure the dust screen to the radiator frame. In The part, they are made of spring steel with a quick-release design for easy cleaning access.
These robust clamps secure hose connections in The part. Made of stainless steel with a worm-drive mechanism, they provide consistent clamping force and are resistant to corrosion and vibration loosening.
This clamp secures a single 15mm diameter pipe or hose. In The part, it features a rubber-lined cushion to prevent chafing and is made of zinc-plated steel for durability.
These M8 flange bolts are used throughout The part to secure brackets and components. They are grade 8.8, zinc-plated, and feature an integrated flange for even load distribution.
These oversized washers distribute clamping pressure over a wider area. In the Cooling System, they protect bracket surfaces and prevent damage to soft materials during tightening.
These M10 flange bolts secure the main cooling module to the chassis. In the Cooling System, they are grade 10.9 and feature a serrated flange for positive locking under vibration.
This thick washer provides a load distribution surface for specific mounting points. In the Cooling System, it is made of hardened steel with a zinc-nickel coating for corrosion resistance.
These split-ring washers maintain bolt tension and prevent loosening. In the Cooling System, they are used in high-vibration areas and are made of hardened spring steel.
This standard hexagon head bolt is used for general fastening. In the Cooling System, it is grade 8.8 and zinc-plated, suitable for moderate load applications.
These flange nuts pair with M8 bolts to provide secure fastening. In the Cooling System, they are made of grade 10 steel and feature a serrated flange for locking.
These spring-loaded clamps provide consistent sealing force on hose connections. In the Cooling System, the wavy design maintains tension despite thermal expansion, preventing leaks.
This hose carries cooled compressed air from the intercooler to the intake manifold. In the Cooling System, it is reinforced with aramid fiber and rated for 4 bar pressure and 200°C temperature.
These M6 flange nuts secure smaller components. In the Cooling System, they are grade 8 and zinc-plated, providing reliable fastening for light-duty applications.
This general-purpose clamp is used for securing hoses and tubes. In the Cooling System, it is made of galvanized steel with a smooth inner surface to prevent hose damage.
The Cooling System is engineered to provide exceptional heat rejection, maintaining optimal engine temperatures even under extreme loads. The large-core radiator and efficient intercooler ensure consistent performance, reducing the risk of overheating and extending engine life.
This Cooling System kit includes everything you need for a full installation – radiator module, intercooler, expansion tank, all hoses, clamps, brackets, and fasteners. No need to source individual parts, saving time and ensuring compatibility.
The Cooling System uses aluminum radiators with brazed fins, stainless steel clamps, and EPDM rubber hoses that resist cracking and aging. All steel components feature zinc-nickel coatings to withstand road salt and moisture, ensuring long-term reliability.
The Cooling System is manufactured to the exact OEM dimensions, guaranteeing a perfect fit on the Sitrak C7H without modifications. The pre-formed hoses and pre-drilled brackets make installation straightforward, reducing downtime and labor costs.
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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