Dongfeng KR truck spare parts Front wall harness assembly 3724100-C510B

Built for efficient assembly and maintenance, the harness features a pre-routed, modular design tailored to the Dongfeng KR’s front wall structure. It integrates 8 functional sub-harnesses (headlight, fog light, wiper, etc.) with color-coded wires (red for positive, black for ground, yellow for signal) and labeled connectors, eliminating wiring confusion. The pre-formed bends (15° to 90°) align with the front wall’s mounting brackets and cable clips, reducing installation time by 50% compared to non-modular harnesses. Each sub-harness is secured with flame-retardant cable ties and nylon mounting clips that fit the original sheet metal holes, avoiding wire sagging or abrasion. The modular design also allows targeted replacement of faulty sub-harnesses, reducing maintenance costs by 30%

Engineered for the harsh front-end environment (rain, dust, vibration), the harness uses high-performance materials for stable electrical transmission. Wires are made of oxygen-free copper (conductivity ≥99.95%) with XLPE (cross-linked polyethylene) insulation—resisting 150℃ high temperatures, oil corrosion, and UV aging. The insulation’s tensile strength is ≥18MPa, preventing cracking even after 1000 thermal cycles (-40℃ to 120℃). All connectors adopt IP67 waterproof design with rubber O-rings and crimped terminals (pull-out force ≥150N), ensuring no water intrusion even in heavy rain. The harness maintains a stable resistance (≤0.5Ω/m) and signal-to-noise ratio (SNR ≥90dB), avoiding electrical failures caused by poor contact or wire degradation

Safety is prioritized with flame-retardant and anti-electromagnetic interference (EMI) features. The entire harness is wrapped in a double-layer sleeve: inner EPDM rubber for abrasion resistance and outer glass fiber braid with UL94 V-0 flame-retardant rating—preventing fire spread in case of short circuits. Signal wires are shielded with tinned copper braid (coverage ≥90%), reducing EMI from the engine and radio systems by 40%—critical for stable operation of sensitive components like airbag sensors and GPS modules. The harness also includes inline fuses (5A to 30A) for each sub-system, protecting against overcurrent and short circuits that could damage the ECU or electrical components

Optimized for fleet efficiency, the harness features plug-and-play functionality and is readily available for immediate delivery. All connectors use snap-fit designs that mate with the original components in 3 seconds, requiring no soldering or crimping tools. The pre-installed cable clips align with the front wall’s mounting points, and a detailed installation guide (included) ensures error-free assembly—two technicians can complete replacement in 2 hours, 60% faster than non-OE harnesses. Each unit undergoes 100% factory testing, including continuity, insulation resistance (≥500MΩ), and waterproof testing. Backed by a 1-year/100,000km warranty, it minimizes vehicle downtime and ensures reliable electrical performance for long-haul and urban logistics operations