Genuine Sinotruk 202V09402-0189 Intake Pipe | MAN MC11 Engine Compressor Inlet Hose for HOWO T7H & SITRAK C7H Trucks

Genuine Sinotruk Air Intake Pipe Assembly | Part# 202V09402-0189

Critical turbocharger intake component for MAN MC11 Euro IV/V engines in Sinotruk HOWO T7H and SITRAK C7H trucks. This OEM-spec pipe connects the air filter housing to the turbo compressor inlet, ensuring optimal airflow density for combustion efficiency.

Technical Specifications:

• OEM Number: 202V09402-0189 (Laser-etched verification)

• Compatibility:

  • MAN MC11 Engine (All variants 2014-Present)

  • Sinotruk HOWO T7H 6x4 Tractors

  • Sinotruk SITRAK C7H Dump Trucks

• Material Construction:

  • Main Tube: PA6-GF30 Nylon (30% glass fiber reinforced)

  • Connectors: Aluminum ADC12 Die-cast (Anodized surface)

  • Clamps: 304 Stainless Steel T-bolt (M8 x 1.25)

• Performance Data:

  • Pressure Rating: 2.5 Bar (36 psi) continuous

  • Temperature Range: -40°C to +180°C

  • Airflow Capacity: 1,200 m³/h @ 2,000 rpm

  • Vibration Resistance: 15G @ 50Hz (ISO 19453)

• Critical Dimensions:

  • Inlet Diameter: 102mm (4.02")

  • Outlet Diameter: 76mm (3")

  • Bend Radius: 120° ±2°

  • Weight: 2.4 kg

• Certifications:

  • MAN M 3271 Intake System Standards

  • ECE R49 Emissions Compliance

Failure Symptoms:
⚠️ Turbo whistling at high RPM
⚠️ Black smoke under acceleration (P0101 MAF code)
⚠️ Oil contamination at pipe joints

OEM Advantages:
✅ 30% thicker wall vs aftermarket (3.2mm vs 2.4mm)
✅ Integrated velocity stack for laminar flow
✅ Pre-installed vibration dampers
✅ Direct replacement - no modifications required

Installation Notes:

• Torque specs: 22 Nm for T-bolt clamps

• Must replace both O-rings (included)

• Apply silicone grease to connector grooves