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Home / Products / DONGFENG MENGSHI / Powertrain / High Pressure Fuel Pipe OE C3979750 / C3979747 for Dongfeng Mengshi EQ2050 | DCEC Dongfeng Cummins Engine Parts

High Pressure Fuel Pipe OE C3979750 / C3979747 for Dongfeng Mengshi EQ2050 | DCEC Dongfeng Cummins Engine Parts

This genuine High Pressure Fuel Pipe with dual OE numbers C3979750 and C3979747 is a core fuel system component exclusively designed for Dongfeng Mengshi EQ2050 military vehicles equipped with DCEC Dongfeng Cummins Engine. As key Dongfeng Mengshi spare parts, it undertakes high-pressure fuel delivery from fuel pump to engine cylinder, ensuring continuous and stable fuel supply for normal engine combustion and power output. Adopting multi-layer high-pressure resistant rubber and reinforced steel wire braided structure, this fuel pipe boasts excellent pressure resistance, oil corrosion resistance and anti-aging performance, adapting to high-load and high-temperature engine working environments. Manufactured fully in line with official DCEC and Dongfeng original specifications, pipe diameter, interface size and bending radian perfectly match Dongfeng Cummins engine and Mengshi EQ2050 chassis without modification. Every finished fuel pipe undergoes strict high-pressure burst and leakage testing before delivery. It is widely applied in military vehicle engine overhaul, aftermarket replacement and fleet daily maintenance, serving as reliable original Cummins engine parts.

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PRODUCT DESCRIPTION

High-Pressure Resistant Reinforced Cummins Engine Fuel Pipe

OE C3979750 / C3979747 high pressure fuel pipe is professional DCEC Dongfeng Cummins engine parts tailored for Dongfeng Mengshi EQ2050 military vehicles. It adopts steel wire braided reinforced structure and high-density oil-resistant rubber material, bearing engine working high pressure steadily. The integrated molding process eliminates pipe body deformation and cracking risks. Accurate original interface design ensures tight connection, effectively maintaining stable high-pressure fuel delivery and improving overall engine power performance for Mengshi off-road vehicles.

Fix Fuel Leakage & Engine Power Insufficiency

Aging, cracked or inferior high-pressure fuel pipes easily cause fuel leakage, pressure drop, unstable fuel supply and insufficient engine power for Dongfeng Mengshi EQ2050 Cummins engines. The genuine C3979750/C3979747 fuel pipe completely solves these common fuel system faults. Its excellent sealing and pressure resistance avoid fuel leakage and pressure loss, eliminate engine jitter and power attenuation, and reduce fuel waste. It is an ideal replacement part for troubleshooting and fuel system overhaul of DCEC Dongfeng Cummins military engines.

DCEC OEM Standard & High-Pressure Burst Testing

All C3979750 / C3979747 high pressure fuel pipes are produced in strict accordance with DCEC official manufacturing standards, qualified as authentic Dongfeng Mengshi spare parts and Cummins engine parts. Each product undergoes professional high-pressure burst test, air tightness detection and anti-aging inspection before delivery. The unified standard pipe diameter and interface size achieve 100% compatibility with Dongfeng Mengshi EQ2050 and Dongfeng Cummins engines. Strict factory quality control ensures long-term stable operation under harsh engine working conditions.

Spot Goods Support Global Bulk Procurement & Fast Delivery

We supply authentic C3979750/C3979747 high pressure fuel pipe, specializing in DCEC Dongfeng Cummins engine parts and Dongfeng Mengshi EQ2050 spare parts. Sufficient inventory supports fast global shipping for military vehicle maintenance stations, auto parts distributors and fleet repair teams. Professional shockproof and waterproof packaging prevents pipe extrusion and interface damage during transportation. We provide accurate compatibility check and installation guidance to support your bulk procurement and engine maintenance projects.

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%.