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Home / Products / DONGFENG KH / Body system / Bumper Upper Guard Grille OE 8406037-C7300 for Dongfeng KH Truck Part

Bumper Upper Guard Grille OE 8406037-C7300 for Dongfeng KH Truck Part

This is a genuine bumper upper guard grille (OE:8406037-C7300) specifically engineered for Dongfeng KH heavy-duty trucks, serving as a critical protective and airflow component for the front bumper and cooling system. It features 100% direct fit with original bumper mounting points, requiring no modification during installation. Constructed from high-strength, impact-resistant engineering plastic with a precision-molded honeycomb structure, this assembly meets Dongfeng’s strict OEM quality standards. Third-party durability testing confirms it provides excellent resistance to road debris impact, vibration, corrosion and temperature extremes (-40°C to 85°C), making it the ultimate replacement for worn or damaged bumper grilles, ensuring cooling system protection and maintaining the truck’s front-end integrity.

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PRODUCT DESCRIPTION

Honeycomb Structure & Impact-Resistant Design

This bumper upper guard grille OE 8406037-C7300 is manufactured to exact Dongfeng KH original design specifications, featuring a precision-molded honeycomb structure that balances maximum airflow with superior impact resistance. The product uses high-grade, impact-resistant engineering plastic that resists cracking, warping and degradation from daily road use, stone impact and harsh weather conditions. Its integrated mounting clips ensure a secure, gap-free fit with the truck’s front bumper, while the optimized mesh pattern prevents large debris from damaging the cooling system. The 1:1 original dimensional design ensures seamless installation without modification, delivering reliable protection and consistent airflow.

Debris Damage & Airflow Blockage

Truck operators often face critical issues with substandard bumper grilles, including brittle plastic cracking under impact leading to cooling system exposure; poor design causing airflow blockage and overheating; and faded finish reducing vehicle resale value. A faulty bumper upper guard grille compromises the front-end integrity, leads to engine overheating and costly cooling system repairs. By choosing the genuine OE 8406037-C7300 grille, users can instantly resolve these problems, ensuring effective debris protection and optimal airflow for the truck’s cooling system.

OEM Quality & Rigorous Environmental Testing

As a key front-end component for heavy-duty trucks, this bumper upper guard grille assembly complies with Q/DFL 6020-2021 Dongfeng automotive parts quality standards and has passed comprehensive third-party tests for impact resistance, airflow performance and structural rigidity. Test data shows the grille maintains 100% structural integrity after high-speed stone impact testing, delivers consistent airflow under full load conditions and prevents debris intrusion effectively. Each unit undergoes 100% dimensional inspection, fit verification and material quality testing before leaving the factory, guaranteeing complete consistency with original factory parts in performance, durability and fit. Backed by official factory traceability codes, this product ensures 100% authenticity and long-term trouble-free operation.

Genuine Supply & Easy Installation

We are an authorized supplier of genuine Dongfeng KH parts, providing premium front-end components, bumper grilles and cooling system accessories to global fleet operators, repair shops and distributors. This bumper upper guard grille OE 8406037-C7300 is supplied with complete original factory packaging and anti-counterfeit labels, ensuring 100% authenticity. Its pre-formed design and integrated mounting clips allow for quick, tool-friendly installation without custom modification, reducing vehicle downtime by up to 50% compared to aftermarket solutions. The durable impact-resistant material extends service life by up to 3 times compared to standard grilles, further reducing long-term maintenance costs. We provide a 24-month quality warranty and 24/7 professional technical support for model matching and installation guidance.

TECHNICAL SUPPORT

1. Accessories selection consultation

- Provide ** intelligent selection tools ** (such as parts matching query system), input the vehicle model VIN code or engine model to match the corresponding parts number, reducing the selection error rate.

The technical team is available online 7×12 hours to answer technical questions about accessories (such as material compatibility and installation processes).

2. Customized development support

We offer specialized R&D services for special market demands (such as heat dissipation accessories for high-temperature regions in the Middle East and dedicated suspension components for road conditions in Africa), and complete sample delivery within six weeks.

3. Training and Technical materials

Provide remote/on-site training for the customer's after-sales team (such as diagnosis of electrical control accessories and DPF regeneration operation), along with multilingual versions of the "Accessories Installation Manual" and "Troubleshooting Guide".

4. Quality Traceability and Improvement

Through the QR code traceability system (one product, one code), track the production batch of accessories and the source of raw materials, respond quickly to quality complaints and initiate improvement processes.

AFTER-SALES AND LOGISTICS SUPPORT

After-sales service

Quality Assurance Policy

-The warranty period for original factory parts is 12 months (counting from the date of signature for receipt), covering material defects, process issues, and man-made damage.

- Provide "Localized Express repair Service" : Cooperate with third-party repair networks in markets such as Southeast Asia and the Middle East, and deliver emergency parts to designated repair points within 4 hours.

Return and Exchange Process

-The customer is required to submit the test report (such as a third-party appraisal) within the warranty period. After confirmation by Dongfeng, a reissue or refund will be arranged within 5 working days.

Logistics support

Warehouse Layout

-Five major regional accessory centers have been established globally (Southeast Asia, the Middle East, Africa, South America, and Europe) to achieve "next-day delivery" for mainstream accessories (covering customers within the regions).

Emergency Logistics Plan

-Emergency parts can be directly delivered within 48 hours via the "Dongfeng Exclusive Aviation Special Line" (such as engine ECU, brake valves and other key components).

Packaging Optimization

-Use shockproof and moisture-proof packaging (such as honeycomb cartons + pearl cotton), and reinforce fragile parts (such as glass, sensors), keeping the damage rate within 0.5%.