Dongfeng KR truck parts Right connecting bracket 8406162-C5100

Built to withstand the static and dynamic loads of connecting critical truck components (e.g., bumper to frame, or auxiliary equipment to chassis), the bracket uses premium Q345B low-alloy structural steel with a minimum yield strength of 345 MPa. The material undergoes precision stamping and robotic welding to form a rigid, one-piece structure—eliminating weak points from manual fabrication. Key load-bearing areas (e.g., mounting hole peripheries) are reinforced with 6mm-thick flanges, enabling the bracket to handle a static load of 6,000N (well above the KR’s typical component connection load of 4,500N) without permanent deformation. Finite Element Analysis (FEA) testing confirms it endures 100,000+ cycles of dynamic load (simulating road vibration) without fatigue cracking. Unlike low-carbon steel brackets that bend under stress, this high-strength design ensures stable component connection throughout the truck’s service life

Engineered to serve as a versatile link between multiple Dongfeng KR components, the bracket features a multi-hole and multi-surface design that accommodates diverse connection needs. It includes two sets of mounting holes: one set for securing to the truck’s chassis frame (compatible with M12 bolts) and another set for attaching the target component (e.g., front bumper, side step, or auxiliary light bracket, compatible with M10 bolts). The bracket’s main body has a 90° angled structure (with a 5mm-thick vertical plate and 4mm-thick horizontal plate) that provides stable support for both vertical and horizontal component mounting. A 15mm-deep recessed area on the contact surface accommodates a rubber gasket (included) to enhance friction and prevent component slippage. Unlike single-purpose brackets that limit connection options, this multi-functional design reduces the need for multiple bracket types, simplifying inventory and installation for fleet operators

Designed to resist corrosion from road salt, mud, and moisture (common in underbody and exterior mounting environments), the bracket undergoes a three-stage anti-corrosion treatment. First, a zinc phosphate conversion coating (60μm thickness) creates a porous base that improves coating adhesion. Next, an electrophoretic primer (80μm) is applied to form a uniform moisture barrier, followed by a thermosetting polyester topcoat (50μm, RAL 9005 black) that resists chipping, fading, and chemical damage. This coating system passes 1,200 hours of neutral salt spray testing (equivalent to 10 years of road salt exposure) without rust or coating peeling. The mounting holes are also tapped with precision threads and coated with anti-seize compound to prevent thread corrosion, ensuring easy bolt removal during maintenance. Unlike uncoated or single-layer brackets that rust within 2–3 years, this design remains corrosion-free even in harsh coastal or winter conditions

Designed for hassle-free replacement by fleet technicians or DIY owners, the bracket simplifies installation with precision-machined features and user-friendly design. All mounting holes are drilled with H9 tolerance (ensuring perfect bolt fit) and deburred to avoid damaging bolt threads or component surfaces. Two laser-etched alignment marks on the bracket’s surface line up with reference points on the Dongfeng KR’s chassis or target component, eliminating guesswork and reducing installation time by 35% (typically 15–20 minutes). The package includes all necessary hardware: 4 M12×30mm high-tensile bolts, 4 M10×25mm bolts, lock washers, and a rubber gasket (pre-cut to fit the recessed area). Installation steps are straightforward: clean the mounting surfaces, align the bracket’s marks with the truck’s reference points, secure the bolts to the specified torque (95 N·m for M12 bolts, 65 N·m for M10 bolts), and attach the target component. Each unit undergoes dimensional verification via CMM, load testing, and coating adhesion checks, backed by a 36-month warranty against defects (e.g., bending, cracking, coating failure)