Chassis Power Distribution Box Assembly OE 3771110-HA430 for Dongfeng GX&KX | Genuine Truck Part

This chassis power distribution box assembly OE 3771110-HA430 is manufactured strictly to Dongfeng GX&KX original design specifications, featuring an integrated layout of high-current fuses and relays that centralizes power distribution and protection for all chassis electrical systems. The product uses a flame-retardant PBT plastic housing with a sealed, waterproof structure that meets IP67 standards, preventing water ingress, dust accumulation and corrosion—critical for reliable electrical performance in heavy-duty truck operation. The gold-plated copper terminals ensure excellent electrical conductivity and low contact resistance, eliminating voltage drop and overheating. It adopts a 1:1 original mounting design, with precisely positioned brackets and connectors that perfectly match the truck’s chassis and wiring harness, ensuring a tight, gap-free fit and stable fixation. This integrated design combines power distribution, protection and waterproofing, making it the ideal OEM replacement for Dongfeng GX&KX heavy-duty trucks.

Fully compatible with all applicable Dongfeng GX&KX truck models, this power distribution box can be quickly verified via OE 3771110-HA430 to ensure accurate matching. It solves multiple common failures caused by low-quality aftermarket boxes, including loose terminals leading to electrical arcing and overheating, missing fuses/relays causing system failure, poor waterproof performance leading to short circuits, and mismatched connectors leading to wiring damage. A faulty power distribution box will disable critical chassis systems, leading to electrical failure, system downtime and even safety hazards, posing a serious threat to driving safety and fleet operation. By using this genuine integrated box, users can eliminate electrical failure, short circuits, system downtime and wiring damage problems, ensuring reliable and safe operation of heavy-duty truck electrical systems.

As a key component for heavy-duty truck electrical systems, this chassis power distribution box meets Q/DFL 6020-2021 Dongfeng automotive electronic parts standards and has passed authoritative third-party tests for electrical conductivity, waterproof performance and temperature resistance. Test data shows the box maintains stable electrical performance after 10,000 hours of continuous operation, passes IP67 waterproof tests without internal short circuits, and remains functional in extreme temperature cycles. Each box undergoes 100% full electrical testing, waterproof sealing verification and connector fit inspection before leaving the factory, ensuring complete consistency with original factory parts in performance, durability and fit. It performs reliably in all operating conditions, with strong resistance to heat, vibration and corrosion. Backed by complete factory traceability and quality certification, it provides users with long-term, trustworthy chassis power control performance.

We are an authorized supplier of genuine Dongfeng GX&KX parts, providing original factory quality electrical components, distribution boxes and wiring harnesses for global fleet operators, repair shops and distributors. This chassis power distribution box assembly OE 3771110-HA430 is supplied with full original factory labeling and traceable codes, ensuring 100% authenticity. It uses a standard bolt-on mounting design with pre-installed brackets, allowing quick, tool-friendly installation without professional modification, greatly saving labor and time costs. The integrated fuse/relay layout eliminates the need for additional wiring or component assembly, further streamlining the replacement process. We provide a 12-month quality warranty against electrical failure, short circuits and connector corrosion under normal use. Our professional technical team provides 24/7 model matching, installation guidance and after-sales consultation. We support bulk wholesale with competitive pricing and stable supply for large fleet customers. Choosing this genuine box improves electrical system reliability, reduces downtime and maintenance costs, and provides a safe, reliable and cost-effective power control solution for your Dongfeng GX&KX fleet.