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The A3100-1013100 oil cooler is a genuine SINOTRUK HOWO component engineered to maintain optimal engine oil temperature by transferring excess heat to the engine coolant system. As a critical element of the trusted Sinotruk howo parts family, this oil cooler ensures that oil viscosity and lubricating properties remain within specifications, even under extreme operating conditions. Manufactured from high‑efficiency aluminum bar‑plate construction, the A3100-1013100 unit provides excellent heat transfer while withstanding the high pressures and thermal cycles of heavy‑duty diesel engines. Investing in this authentic component guarantees reliable oil cooling, reduced engine wear, and extended overhaul intervals in mining, construction, and long‑haul applications.
Oil Cooler
Масляный радиатор
Enfriador de aceite
The A3100-1013100 oil cooler features a bar‑plate core design with stacked aluminum plates and turbulizing fins brazed in a vacuum furnace. This construction maximizes surface area for heat exchange while maintaining structural integrity under high pressure. The oil and coolant passages are separated by thin, strong plates that resist corrosion and erosion. The assembly includes integral mounting brackets and ports that match the engine block and filter housing, ensuring a leak‑free connection.
Each A3100-1013100 oil cooler is pressure‑tested to 15 bar (oil side) and 3 bar (coolant side) to guarantee sealing integrity. The core is also subjected to thermal cycling tests to verify durability under real‑world conditions. The external surfaces are coated with a corrosion‑resistant finish to withstand the harsh engine environment. This meticulous quality control ensures that the oil cooler maintains stable oil temperatures, protecting bearings and turbochargers from overheating.
The table below provides detailed technical data for the genuine SINOTRUK HOWO A3100-1013100 oil cooler. These specifications are essential for verifying compatibility.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | A3100-1013100 | SINOTRUK HOWO Original Code |
| Product Name | Oil Cooler (Engine Oil) | Liquid‑cooled type |
| Core Type | Bar‑plate, aluminum | High efficiency |
| Core Dimensions (L x W x H) | 260 mm x 110 mm x 55 mm | Approximate |
| Oil Inlet/Outlet Thread | M24 x 1.5 | O‑ring boss |
| Coolant Inlet/Outlet | 30 mm hose barb | For coolant hoses |
| Maximum Oil Pressure | 15 bar | Test pressure |
| Maximum Coolant Pressure | 3 bar | Test pressure |
| Heat Rejection (typical) | 17 kW @ 100°C oil, 90°C coolant | Depending on flow |
| Weight (approx.) | 2.5 kg | Complete assembly |
| Applicable Engines | WD615, MC11, MC13, D10 series | Check filter housing |
The A3100-1013100 oil cooler is a direct OEM replacement used on Howo engines such as the WD615, MC11, MC13, and D10 series. It is typically mounted between the engine block and the oil filter housing, where engine coolant flows through the cooler to extract heat from the lubricating oil. By maintaining oil temperature within the ideal range (90‑110°C), the cooler ensures that the oil retains its viscosity and protective properties, even during sustained high‑load operation.
In heavy‑duty applications, excessive oil temperature can lead to oxidation, sludge formation, and accelerated bearing wear. The genuine A3100-1013100 oil cooler effectively dissipates heat, extending the life of the engine and reducing maintenance intervals. It is also used in some auxiliary systems where oil cooling is required, such as hydraulic retarders or transmission oil coolers in specific configurations.
When replacing the oil cooler, always use new O‑rings and gaskets. Torque the mounting bolts to the specified value (typically 25‑30 Nm). Flush the cooling system to remove any debris before installation.
Correct installation of the A3100-1013100 oil cooler is essential to ensure proper cooling and leak‑free operation. Follow these steps:
Drain the engine oil and coolant. Remove the old cooler and clean the mounting surface on the engine block. Inspect the oil filter housing and coolant passages for debris.
Install new O‑rings on the oil cooler ports. Position the cooler and hand‑tighten the mounting bolts. Torque the bolts in a criss‑cross pattern to the specified value. Connect the coolant hoses and secure with clamps.
Refill engine oil and coolant. Start the engine and check for leaks. Monitor oil temperature during operation to verify cooler function.
A failing oil cooler can cause oil contamination and overheating. Common signs that replacement is needed include:
If any of these symptoms are observed, immediate replacement with a genuine A3100-1013100 oil cooler is recommended. A leaking cooler can lead to catastrophic engine failure if coolant enters the lubrication system.
Maintains oil within the ideal temperature range, preserving viscosity and lubrication properties for maximum engine protection.
By preventing oil breakdown and sludge formation, the genuine cooler reduces wear on bearings and turbochargers, delaying overhauls.
Vacuum‑brazed aluminum core ensures leak‑free performance and resistance to thermal fatigue, providing long service life.
To maximize the service life of your A3100-1013100 oil cooler, follow these best practices:
By adhering to these guidelines, you ensure that the A3100-1013100 oil cooler performs optimally throughout its intended service interval.
Aftermarket oil coolers often use inferior materials with lower fin density and poor brazing, leading to reduced cooling efficiency and higher risk of leakage. The genuine A3100-1013100 is manufactured to the exact specifications of the original equipment, using high‑grade aluminum and vacuum‑brazing technology that ensures consistent heat transfer and structural integrity. Each unit is pressure‑tested and validated for thermal performance, guaranteeing that it will perform exactly as the original part.
By choosing authentic SINOTRUK HOWO parts, you protect your investment and ensure your truck maintains its power, efficiency, and resale value. The Sinotruk howo parts catalog includes a full range of engine and chassis components engineered for maximum durability. For fleet managers and owner‑operators who demand the best, the genuine A3100-1013100 is the only responsible choice.
The A3100-1013100 oil cooler is used across a wide range of Howo models: T7H, A7, and classic Howo‑7 series equipped with WD615, MC11, MC13, and D10 engines. It fits both side‑mount and top‑mount filter housings; always verify the port orientation using the service manual.
Each A3100-1013100 is individually packaged in a protective box with foam inserts to prevent damage to the fins during shipping. The package includes the oil cooler and a set of O‑rings. Mounting bolts may need to be ordered separately.
Production of the A3100-1013100 takes place in IATF 16949 certified facilities, using automated vacuum brazing and precision assembly. Statistical process control ensures that every core meets the stringent requirements for heat transfer and pressure drop. Every batch is accompanied by a material certificate and pressure test report, guaranteeing that the oil coolers delivered are identical to those fitted on new Howo trucks at the factory.
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