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Dongfeng GX Truck Vehicle Body Parts High Quality Left Front Mudguard Assembly 8511020-H18A0

The 8511020-H18A0 Left Front Fender Assembly (also known as the Upper Mudguard) is an original equipment (OE) fender panel designed for the driver’s side front wheel arch of Dongfeng Tianlong GX and high-spec KX series heavy-duty trucks. As a critical aerodynamic and protective body component, it shields the chassis and cabin from road debris, water, and mud while contributing to improved airflow dynamics and vehicle appearance.

Constructed from high-toughness modified PP+EPDM composite material, this fender offers excellent impact resistance, low-temperature flexibility, and long-term UV stability — meeting the demanding requirements of 2026's long-haul logistics, cross-country transport, and extreme climate operations. Its streamlined contour integrates seamlessly with the GX platform’s aerodynamic design, reducing wind noise and splash accumulation on steps and doors.
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  • 8511020-H18A0

  • Dongfeng

Attribute Description
Part Number (OE) 8511020-H18A0
Product Name Left Front Fender Upper Assembly / Upper Mudguard
Common Names Driver-Side Front Wheel Arch Cover, Upper Fender Panel
Application Position Above left front wheel, mounted between bumper and A-pillar
Vehicle Brand Dongfeng Commercial Vehicle (DFCV)
Compatible Models Dongfeng Tianlong GX (Flagship), KX Series (2024–2026 models)
Cab Configuration Narrow-body and wide-body D310/D320 cab platforms
Main Material Modified Polypropylene + EPDM Rubber (PP+EPDM)
Material Properties High impact strength, cold-resistant down to -40°C
Color Black primer or natural base color (paint-to-match required for final finish)
Weight Range 3.5 – 5.0 kg (varies based on bracket integration)
Function Debris shielding, aerodynamic shaping, splash reduction
Design Standard Meets DFCV OE specifications; compliant with GB/T 24556 and automotive safety norms
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Parameter Specification
Impact Resistance Withstands >40 J at -30°C (simulates stone chip impact in winter)
UV & Weather Resistance >2,000 hours QUV accelerated aging test (no cracking or significant fading)
Thermal Stability Stable performance from -40°C to +90°C
Aerodynamic Design Curved edge reduces lateral wind drag and improves air flow separation
Splash Control Efficiency Inner arc shape minimizes mud/water spray onto step and door surfaces
Mounting Method Bolt-on with integrated brackets and plastic push clips
Pre-Drilled Features Holes for splash guard strip, bracket mounts, and sensor routing (if equipped)
Service Life 7–10 years under normal operating conditions


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