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The WG9925530053 Intercooler Inlet Hose is a critical charge air duct engineered specifically for Sinotruk Sitrak parts systems, including the popular SITRAK C7H, C5H, and HOWO T7H heavy‑duty truck models. This high‑performance hose connects the turbocharger outlet to the intercooler inlet, delivering compressed hot charge air for efficient cooling before it enters the engine, thereby improving combustion efficiency, reducing exhaust emissions, and enhancing overall engine performance under all operating conditions.
Engineered to meet the rigorous demands of turbocharged diesel engines, the WG9925530053 intercooler inlet hose is manufactured from high‑grade silicone rubber reinforced with aramid fibre, offering exceptional heat resistance, pressure stability, and long‑term reliability over millions of kilometers.
Intercooler Inlet Hose
Шланг входа интеркулера
Manguera de entrada del intercooler
| Parameter | Specification / Value |
|---|---|
| OEM Number | WG9925530053 |
| Product Name | Intercooler Inlet Hose |
| Brand | SINOTRUK Sitrak |
| Material | High‑grade silicone rubber with aramid fibre reinforcement |
| Inner Diameter | 76 mm (3 inch) – nominal |
| Length | Approx. 380 mm (custom fit for C7H/T7H) |
| Maximum Operating Pressure | 3.0 bar (43.5 psi) |
| Temperature Range | -50°C to +200°C |
| Wall Thickness | 5 mm (heavy‑duty construction) |
| Application | Turbocharger outlet to intercooler inlet |
| Compatible Models | SITRAK C7H, C5H, HOWO T7H, T5G, A7, and other SINOTRUK trucks |
| Service Life | 150,000+ km under normal operating conditions |
| Quality Standard | OEM‑grade, meets SINOTRUK factory specifications |
The WG9925530053 Intercooler Inlet Hose is a critical component in the air intake system of turbocharged SINOTRUK Sitrak heavy‑duty trucks. It carries compressed, hot charge air from the turbocharger outlet directly to the intercooler inlet, where it is cooled before entering the engine. This cooled, dense air improves combustion efficiency, increases power output, and reduces fuel consumption. A damaged or degraded hose can lead to pressure loss, reduced engine performance, increased smoke, and higher exhaust temperatures, ultimately affecting the vehicle’s drivability and emission compliance.
Manufactured from high‑grade silicone rubber with aramid fibre reinforcement, the WG9925530053 hose offers excellent resistance to heat, ozone, oil, and pressure cycling. Its multi‑layer construction ensures dimensional stability even at temperatures up to 200°C and pressures up to 3.0 bar. The precision‑moulded ends and factory‑installed spring‑loaded clamps provide a secure, leak‑free connection to the turbocharger and intercooler, eliminating the risk of boost leaks. This genuine OEM component is a direct replacement for the original factory hose, ensuring a perfect fit and restoring the engine’s full performance potential.
A properly functioning intercooler inlet hose is essential for maintaining engine power and efficiency. The WG9925530053 hose eliminates the risk of boost pressure loss and air contamination, ensuring that your SITRAK or HOWO truck delivers maximum performance and fuel economy in all driving conditions.
The WG9925530053 hose is constructed from premium silicone rubber that withstands continuous operating temperatures up to 200°C, ensuring reliable performance in the hottest under‑hood environments.
Embedded aramid fibres provide exceptional burst strength and resistance to pressure pulses, ensuring the hose maintains its shape and integrity under high boost conditions.
The hose features precision‑moulded ends and is supplied with high‑quality spring‑loaded clamps, ensuring a secure, airtight seal that prevents boost leaks and maintains optimal charge air pressure.
Designed to match the exact dimensions and routing of the original factory hose, the WG9925530053 intercooler inlet hose allows for a quick, straightforward installation with no modifications required.
Restores Boost Pressure: The WG9925530053 hose eliminates leaks, ensuring that the full boost pressure reaches the intercooler, resulting in improved throttle response and acceleration.
Improves Fuel Economy: By maintaining optimal charge air flow, the hose helps the engine achieve more complete combustion, reducing fuel consumption and lowering operating costs.
Extends Turbocharger Life: A secure, leak‑free charge air system reduces turbocharger overspeed and surging, protecting the turbo from premature wear and failure.
Reduces Emissions: Proper charge air delivery helps the engine maintain low NOx and particulate emissions, supporting compliance with Euro 4/5/6 standards.
OEM Quality Assurance: The WG9925530053 hose meets SINOTRUK’s original equipment specifications, guaranteeing a perfect fit and reliable performance that matches the original factory part.
Wide Temperature Range: With an operating range from -50°C to +200°C, the hose performs reliably in both arctic and desert climates, making it suitable for global operations.
Compatible Models:
The WG9925530053 hose is a direct cross‑reference for multiple OEM part numbers, ensuring broad applicability across the SINOTRUK truck range. Always verify compatibility using your vehicle’s VIN or existing hose part number.
Installation Tips & Best Practices:
The WG9925530053 intercooler inlet hose is produced using state‑of‑the‑art silicone extrusion and aramid fibre braiding techniques. The silicone rubber is specially formulated to provide exceptional resistance to heat, oil, and ozone, while the aramid reinforcement layer delivers high burst strength and resistance to pressure pulsations. The hose is then moulded to the exact shape required for the specific vehicle application, ensuring a perfect fit without kinking or restriction.
Each WG9925530053 hose undergoes rigorous quality testing, including burst pressure tests (≥ 6 bar), thermal cycle tests, and leak tests under vacuum and pressure. The hose is also subjected to ozone resistance and UV aging tests to guarantee long‑term durability in real‑world operating conditions. The end connectors are precision‑moulded with integrated ribs to ensure secure clamping and prevent blow‑off.
The manufacturing process adheres to ISO 9001 and IATF 16949 standards, ensuring that every WG9925530053 hose meets SINOTRUK’s demanding quality requirements. This guarantees that you receive a component that performs exactly like the original factory‑fitted part, providing reliable charge air delivery for hundreds of thousands of kilometers.
The WG9925530053 Intercooler Inlet Hose from SINOTRUK Sitrak is the definitive choice for fleet operators and owner‑drivers who demand uncompromising engine performance, fuel efficiency, and reliability. As a genuine OEM‑grade component, it guarantees a perfect fit, consistent charge air delivery, and peace of mind—backed by SINOTRUK’s engineering excellence and decades of experience in heavy commercial vehicle manufacturing.
Whether you are replacing a cracked or degraded hose on a high‑mileage fleet truck or performing preventive maintenance on a SITRAK C7H, the WG9925530053 hose delivers the performance and durability you need to keep your engine breathing efficiently. Its proven design, premium materials, and exacting tolerances make it the smart choice for any charge air system repair or preventive maintenance program.