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Home / Products / DONGFENG KH / Body system / Rear Air Intake Duct Assembly OE 1109040-VC310 for Dongfeng KH Truck Parts

Rear Air Intake Duct Assembly OE 1109040-VC310 for Dongfeng KH Truck Parts

This is a genuine rear air intake duct assembly (OE:1109040-VC310) specifically engineered for Dongfeng KH heavy-duty trucks, serving as a critical component for engine air intake system. It features 100% direct fit with original engine bay mounting points, requiring no modification during installation. Constructed from high-strength, heat-resistant engineering plastic with integrated grille and sealing structure, this assembly meets Dongfeng’s strict OEM quality standards. Third-party durability testing confirms it provides excellent resistance to high temperature, vibration, corrosion and UV exposure, operating reliably across -40°C to 120°C. With its optimized airflow design, it effectively delivers clean air to the engine, prevents debris intrusion, and maintains optimal engine performance and fuel efficiency.

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PRODUCT DESCRIPTION

Optimized Airflow & Heat-Resistant Design

This rear air intake duct OE 1109040-VC310 is manufactured to exact Dongfeng KH original design specifications, featuring a precision-molded aerodynamic structure that optimizes airflow to the engine, directly improving combustion efficiency and fuel economy. The product uses high-grade, heat-resistant engineering plastic that resists deformation, cracking and degradation from high engine bay temperatures and harsh operating conditions. Its integrated grille design prevents debris, dust and water intrusion, while the precision-molded sealing structure ensures a leak-free fit with the air filter housing. The 1:1 original dimensional design ensures seamless installation without modification, maintaining optimal engine performance.

Poor Airflow & Engine Performance Loss

Truck operators often face critical issues with substandard air intake ducts, including poor airflow design leading to reduced engine power; brittle plastic cracking under heat leading to air leakage; and debris intrusion causing engine damage and filter clogging. A faulty air intake duct compromises engine performance, increases fuel consumption and leads to costly engine repairs. By choosing the genuine OE 1109040-VC310 duct, users can instantly resolve these problems, ensuring optimal airflow and reliable engine operation.

OEM Quality & Rigorous Performance Testing

As a key engine component for heavy-duty trucks, this rear air intake duct assembly complies with Q/DFL 6020-2021 Dongfeng automotive parts quality standards and has passed comprehensive third-party tests for heat resistance, airflow efficiency and structural integrity. Test data shows the duct maintains 100% structural integrity after 1000 hours of high-temperature exposure, delivers consistent airflow under heavy engine vibration and prevents debris intrusion effectively. Each unit undergoes 100% dimensional inspection, fit verification and pressure 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 & Engine Maintenance Solution

We are an authorized supplier of genuine Dongfeng KH parts, providing premium engine components, air intake ducts and filter accessories to global fleet operators, repair shops and distributors. This rear air intake duct assembly OE 1109040-VC310 is supplied with complete original factory packaging and anti-counterfeit labels, ensuring 100% authenticity. Its pre-formed design and integrated mounting structure allow for quick, tool-friendly installation without custom modification, reducing vehicle downtime by up to 50% compared to aftermarket solutions. The durable heat-resistant material extends service life by up to 3 times compared to standard plastic ducts, 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%.