Dongfeng KL trcuk parts Left door sill pressure strip assembly 5102009-C3100

Designed to protect the left door sill (a high-wear area) and enhance cab sealing, the assembly integrates two core functions. First, it acts as a physical barrier against scratches, dents, and impact from boots, tools, or cargo during entry/exit—preventing damage to the underlying metal sill (which is costly to repair). Second, the pressure strip’s edge features a soft TPE (thermoplastic elastomer) seal that compresses against the door when closed, blocking dust, rainwater, and road noise from entering the cab. Unlike basic plastic strips that only cover the sill, this dual-function design reduces interior cleaning frequency by 40% and lowers cab noise levels by 15% at highway speeds, improving driver comfort during long hauls

Built to withstand frequent foot traffic, temperature fluctuations, and exposure to dirt/fluids, the assembly uses rugged, high-performance materials. The main body is made of rigid PVC (polyvinyl chloride) reinforced with glass fiber (15% GF content), which resists bending, cracking, and discoloration even after 50,000+ entry/exit cycles. The top surface is coated with a wear-resistant polyurethane layer (0.5mm thickness) that maintains its texture and appearance despite scuffs from boots or tools—unlike uncoated PVC that fades or scratches easily. The TPE seal is formulated to remain flexible in extreme temperatures (-40°C to 85°C), avoiding hardening (which breaks the seal) or melting (which causes sticking). This material combination ensures the pressure strip operates reliably for 4+ years

Engineered to enhance safety during cab entry/exit (especially in wet conditions), the pressure strip features an anti-slip top surface. The surface is embossed with a diamond-pattern texture that increases friction between boots and the strip—reducing slip risk by 60% compared to smooth surfaces. The edge of the strip is chamfered (45° angle) to create a smooth transition from the ground to the sill, preventing tripping and making it easier for drivers to step into the cab (critical for frequent stops). Unlike flat, smooth strips that pose slip hazards, this ergonomic design prioritizes safety while maintaining a sleek, factory-like appearance that complements the cab’s interior

Designed for hassle-free replacement by fleet technicians or DIY owners, the assembly simplifies installation with user-friendly features. It includes 8 pre-attached OEM-matched plastic clips that snap directly into the door sill’s mounting holes—no drilling, adhesive, or special tools required. Installation takes 10–15 minutes: simply align the strip with the sill’s reference marks, press firmly to secure the clips, and trim any excess (though OEM precision eliminates the need for trimming). For maintenance, the pressure strip can be easily removed for deep cleaning (to clear trapped dirt) and reattached without damaging the clips or sill. Each unit undergoes strict testing: wear resistance trials (100,000 simulated foot presses), seal integrity testing (water spray at 3 bar), and clip retention strength checks. Backed by a 18-month warranty against manufacturing defects (e.g., clip breakage, TPE seal failure, or surface wear), it provides Dongfeng KL truck owners with reliable door sill protection and long-term cab comfort