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Dongfeng High-quality Rubber Sealing Strip for The Front Windshield of Truck Windows 5206015-C6100

The 5206015-C6100 Windshield Glass Weatherstrip Seal Assembly is an original equipment (OE) closed-loop EPDM rubber gasket designed to provide a complete seal between the front windshield glass and the cab frame of Dongfeng Tianlong KX, GX, and high-roof KL series commercial trucks. As a vital interface between the external environment and the driver cabin, it ensures full waterproofing, dustproofing, noise reduction (NVH), and structural cushioning under all operating conditions.

Made from high-grade EPDM (Ethylene Propylene Diene Monomer) rubber, this weatherstrip delivers outstanding resistance to ozone, UV radiation, extreme temperatures (-40°C to +120°C), and long-term compression set. Its specially engineered profile features multiple sealing lips and a buffer zone, which not only prevents water ingress during heavy rain or pressure washing but also absorbs chassis twist forces that could otherwise lead to glass cracking.
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  • 5206015-C6100

  • Dongfeng

Attribute Description
Part Number (OE) 5206015-C6100
Product Name Front Windshield Glass Weatherstrip Seal / Perimeter Gasket
Common Names Windshield Rubber Seal, Cab Glass Gasket, Weatherstripping
Application Position Full perimeter of front windshield (bonded into frame groove)
Vehicle Brand Dongfeng Commercial Vehicle (DFCV)
Compatible Models Dongfeng Tianlong KX (Flagship), GX Series, High-Roof KL
Material Type Premium EPDM (Ethylene Propylene Diene Monomer) rubber
Color Matte Black (standard OE finish)
Structure Type Closed-loop extruded profile with variable cross-section
Hardness (Shore A) 60–75 (balanced flexibility and sealing force)
Design Standard Meets GB/T 23335, ISO 11439, DFCV OE specifications
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Parameter Specification
Material Properties Ozone-resistant, UV-stable, non-hydrolyzing EPDM
Temperature Range -40°C to +120°C — maintains elasticity and recovery
Compression Set (After 24h @ 70°C) ≤15% (excellent shape memory after long-term compression)
Sealing Performance IP68-rated water/dust protection; no leakage under high-pressure wash test
Noise Reduction (Wind Noise) Up to 8 dB(A) reduction at 90 km/h due to aerodynamic lip design
Tensile Strength ≥10 MPa
Elongation at Break ≥300%
Service Life 8–12 years under normal operation


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