‌OEM Sinotruk HOWO ZF Retarder Coolant Elbow 202V06303-5704 High-Temperature Aluminum Alloy Coolant Transfer Pipe with ISO 4141-3 Certification

1. ‌Sinotruk HOWO ZF Retarder-Specific Coolant Elbow Assembly - Part No. 202V06303-5704‌

   Engineered for precision fluid transfer in heavy-duty retarder systems, this OEM elbow ensures superior thermal management under extreme operating conditions:

   ‌Technical Specifications‌

   1. ‌Material Composition‌

      • Body: A356-T6 Aluminum Alloy (ASTM B108)
      • Surface Treatment: Electroless Nickel Plating (20μm thickness)
      • Thermal Coating: Ceramic-Enhanced Polymer Layer

   2. ‌Performance Parameters‌

      • Operating Pressure: 2.8MPa Continuous / 3.8MPa Burst (SAE J2044)
      • Temperature Range: -45°C to +190°C (220°C peak tolerance)
      • Flow Rate: 110L/min @ 75kPa

   3. ‌Structural Design‌

      • Bore Diameter: 35mm ±0.08mm (ID Polished to Ra 1.2μm)
      • Bend Geometry: 120° Optimized Flow Angle
      • Mounting Flange: 8x M12-1.75 Bolts (ISO 4017 Class 10.9)

   4. ‌Durability Features‌

      • Vibration Resistance: 20g RMS (ISO 16750-3)
      • Salt Spray Performance: 1,200hrs (ASTM B117)
      • Thermal Shock Cycles: 30,000 (-40°C ↔ +200°C)

   5. ‌Compatibility‌

      • Retarder Models: ZF Intarder 2200/2600 Series
      • Engine Types: D10/D12 Series (2021-2024)
      • Truck Applications: HOWO T7H/ZZ4257N3247C1

   6. ‌Certifications‌

      • ISO 4141-3 High-Pressure Fluid Standards
      • SAE J2534 Cooling System Compliance
      • 100% Helium Leak Test Verified

   
   

   
   

   ‌Why Choose This Part?

After-Sales Support:

• 24/7 technical consultation via WhatsApp/email
• 12-month warranty with free return policy
• Local service centers in 15+ countries