Dongfeng VL truck parts White left front outer side panel 5301659-C4301

Built to withstand minor front-end impacts (e.g., road gravel, low-speed collisions) and long-term structural stability, the panel is crafted from 0.8mm-thick cold-rolled steel (CR4 grade). This material delivers a minimum tensile strength of 340 MPa and yield strength of 210 MPa, enabling it to resist deformation under a static load of 1,200 N (equivalent to the force of a 10kg object striking at 5km/h). The steel undergoes a full hardening process (HRC 28–32) to enhance surface hardness, reducing scratch damage from debris or tools. Compared to thin-gauge aluminum panels, this cold-rolled steel design offers 40% higher impact resistance while maintaining lightweight properties—critical for balancing front-body protection and fuel efficiency in heavy-duty hauling

The panel features a factory-matched white paint finish (Pantone 11-4102 TPX, consistent with Dongfeng VL’s standard exterior white color) applied via an automated electrocoating process. The coating system includes four layers for durability and aesthetics: a zinc phosphate conversion layer (60μm) for corrosion resistance, an electrophoretic primer (80μm) for strong adhesion, a high-build epoxy mid-coat (70μm) for smoothness, and a polyurethane topcoat (50μm) for gloss and UV protection. The topcoat achieves a 90% gloss rating (measured via 60° gloss meter) and resists fading under UV exposure—tested to 3,000 hours of xenon lamp aging with ≤3% color change. Unlike spray-painted aftermarket panels, this factory coating eliminates the need for repainting, cutting repair time by 70% for body damage

Engineered to enhance front-body rigidity and prevent warping, the panel integrates 5mm-thick reinforcing ribs along the headlight cutout edge and bottom mounting area. These ribs increase the panel’s torsional stiffness by 35%, reducing vibration-induced fatigue cracks during long-haul driving (e.g., highway transport with frequent road bumps). A 15mm-deep recess at the door interface ensures tight fitting with the left front door seal, maintaining the cab’s interior waterproofing and sound insulation (reducing road noise by 15% inside the cab). The panel’s lower edge also includes a 10mm-wide drainage slot to channel rainwater away from the front frame, preventing corrosion at the mounting points. These structural details extend the panel’s service life by 50% compared to non-reinforced designs

Designed for efficient replacement by body shops or fleet technicians, the panel comes with a complete hardware kit and user-friendly features. The kit includes 18 stainless steel M6×16mm bolts (grade 304, rust-resistant), 20 plastic push-in clips (matching the VL’s factory clip size), and a tube of automotive-grade sealant for the door and bumper interfaces. Pre-drilled mounting holes (drilled to H9 tolerance) align perfectly with the VL’s front frame threaded holes, reducing installation time to 60–90 minutes. No welding or custom fabrication is required—simply remove the damaged panel, align the new panel using factory reference marks, secure with bolts and clips, and apply sealant to the edges. Each unit undergoes dimensional inspection via CMM, paint adhesion testing (cross-cut test grade 5B), and impact resistance checks, backed by a 18-month warranty against defects (e.g., paint peeling, steel warping, clip breakage)