5301512-C6100 Front Skid Plate Drain Channel
DONGFENG 5301512-C6100 Front Skid Plate Drain Channel: Essential Protection and Water Management for Your Truck’s Underbody
2026-01-02
1302020-H0100 Radiator Gasket
DONGFENG Radiator Gasket 1302020-H0100: The Critical Seal for Optimal Engine Cooling Performance
2026-01-02

DONGFENG 3747910-C6100 Washer Reservoir Assembly: Complete OEM Solution for Reliable Windshield Cleaning

PART NO.:
3747910-C6100
Part Name:
Washer Reservoir With Pump And Hose Assembly
Russian Name:
Бачок омывателя с насосом и шлангом в сборе

Clear visibility is paramount for safe commercial vehicle operation, especially in challenging weather conditions. For fleet managers and maintenance professionals dedicated to safety and reliability, sourcing genuine Dongfeng truck parts is fundamental to an effective maintenance strategy. The Washer Reservoir With Pump And Hose Assembly, identified by the precise OEM part number 3747910-C6100, is an integrated system crucial for maintaining a clean windshield. This genuine DONGFENG component combines the fluid storage container, electric pump, and delivery hoses into one complete, ready-to-install unit. It ensures a consistent and pressurized supply of washer fluid to the windshield jets, directly contributing to driver safety by effectively removing road grime, insect splatter, and salt spray.

DONGFENG 3747910-C6100 Washer Reservoir With Pump And Hose Assembly

Washer Reservoir With Pump And Hose Assembly

DONGFENG 3747910-C6100 Бачок омывателя с насосом и шлангами в сборе

Бачок омывателя с насосом и шлангами в сборе

DONGFENG 3747910-C6100 Depósito del Lavaparabrisas con Bomba y Manguera en Conjunto

Depósito del Lavaparabrisas con Bomba y Manguera en Conjunto

Core Function & Critical Role of the 3747910-C6100 Assembly

The DONGFENG Washer Reservoir Assembly, part number 3747910-C6100, serves as the central, integrated component of the vehicle’s windshield cleaning system. Its primary purpose is threefold: to safely store a substantial volume of washer fluid, to contain a powerful electric pump that generates the necessary pressure for spraying, and to provide pre-connected, secure hoses for immediate fluid delivery to the windshield nozzles. This all-in-one design ensures optimal performance and eliminates compatibility issues.

A malfunction of the 3747910-C6100 system poses a direct threat to operational safety. A compromised reservoir leads to fluid loss, a failed pump results in no cleaning action, and damaged hoses cause leaks or blockages. In poor visibility conditions—such as heavy rain, snow, or dusty roads—this can significantly increase the risk of accidents. Furthermore, a non-functional washer system is a common reason for failing mandatory vehicle safety inspections, potentially resulting in fines and enforced downtime. Therefore, the 3747910-C6100 is a critical safety component, essential for maintaining compliance and ensuring the secure operation of your DONGFENG truck.

Advanced Integrated Design & Construction Technology

The genuine 3747910-C6100 assembly is engineered with durability and ease of service in mind. The reservoir is precision-molded from high-density, UV-stabilized polyethylene. This material is specifically chosen for its resistance to impact, its ability to withstand chemical degradation from various washer fluid formulas, and its tolerance to the extreme temperature fluctuations found in a truck’s engine compartment or fender liner.

The electric pump integrated into the 3747910-C6100 unit is a sealed, brushless motor designed for longevity and consistent pressure output. It incorporates a fine mesh filter at its intake to prevent debris from entering and damaging the pump or clogging the downstream system. Crucially, the assembly includes factory-attached, reinforced rubber hoses that are permanently and securely clamped to the pump outlets. This “ready-to-run” configuration of the 3747910-C6100 eliminates the guesswork, potential leaks, and installation errors associated with piecing together separate components, making it the ideal choice for efficient workshop repairs.

Technical Specifications Table for Assembly 3747910-C6100

The table below details the comprehensive technical specifications for the genuine DONGFENG Washer Reservoir With Pump And Hose Assembly, OEM part number 3747910-C6100.

Parameter Specification / Value
OEM Part Number 3747910-C6100
Product Name Washer Reservoir With Pump And Hose Assembly
Brand DONGFENG
Reservoir Material High-Impact Polyethylene (HIP), UV-Resistant
Nominal Capacity 5.5 – 6.5 Liters (Varies by specific truck model)
Pump Operating Voltage 12V DC, Direct Vehicle Harness Connection
Pump Type & Protection Sealed Brushless Motor with Internal Debris Filter
Assembly Contents Reservoir, Electric Pump, Pre-attached Hoses, Mounting Brackets, Electrical Connector
Fluid Compatibility Compatible with all standard methanol-based washer fluids and winter anti-freeze solutions

These detailed specifications for the 3747910-C6100 underscore its design as a complete, performance-validated unit. The substantial fluid capacity reduces refill frequency on long hauls, while the brushless pump technology ensures reliable operation over an extended service life.

Key Features & Operational Benefits

Guaranteed Safety Through Uninterrupted Visibility: The primary advantage of the genuine 3747910-C6100 is its direct contribution to safe driving. It provides a reliable, on-demand cleaning capability essential for removing obstructive road film, salt spray, and insect residue, thereby reducing driver eye strain and maintaining a critical clear field of vision in all weather conditions.

Leak-Free, Factory-Sealed System: The integrated design of the 3747910-C6100 ensures all critical fluid connections are made under controlled factory conditions. This eliminates the common workshop problem of incorrectly sized or poorly clamped hoses, preventing fluid leaks that can lead to electrical shorts, corrosion of nearby components, and unnecessary environmental contamination.

Superior Durability for Demanding Service: Engineered specifically for commercial vehicle applications, the materials in the 3747910-C6100 are selected to withstand constant vibration, exposure to road chemicals like de-icing salts, and temperature extremes ranging from -40°C to over 100°C. This robust construction translates directly into fewer failures, less downtime, and a lower total cost of ownership for your fleet.

Streamlined Repair Process and Inventory Management: For fleet managers and workshops, the 3747910-C6100 assembly simplifies logistics and repair procedures. It is a single-SKU solution that guarantees perfect compatibility and immediate functionality, significantly reducing vehicle downtime. This approach eliminates the need to diagnose and stock individual, separate components like reservoirs, pumps, and hoses.

Compatibility & Replacement Service Guidelines

The 3747910-C6100 Washer Reservoir Assembly is designed for specific DONGFENG medium and heavy-duty truck models. Its compatibility is determined by the chassis design, the precise location of mounting points, the type of electrical harness connector, and the required hose routing length to reach the windshield nozzles accurately. It serves as a direct, plug-and-play replacement for the original factory-installed unit.

While the 3747910-C6100 assembly is built for longevity, it is ultimately a wear item replaced on an as-needed basis. Proactive replacement is recommended during major front-end collision repairs, if the reservoir becomes physically cracked or damaged, or if the pump exhibits clear signs of failure such as weak spray, unusual noise, or no operation at all. Incorporating a visual and functional check of the 3747910-C6100 system into routine maintenance schedules is a best practice to identify and address potential issues before they lead to a complete failure.

Professional Installation & System Priming Procedure

Installing the genuine 3747910-C6100 assembly is a streamlined process designed for efficiency and reliability. Begin by safely disconnecting the vehicle’s negative battery terminal to prevent any electrical shorts. Drain any remaining fluid from the old reservoir. Disconnect the electrical plug from the existing pump and carefully detach the washer fluid hoses from the windshield jet nozzles and any securing clips along the route.

Remove the mounting bolts or brackets that secure the old assembly in place. Position the new 3747910-C6100 unit into its designated location, using the provided hardware to secure it firmly and without stress. Connect the vehicle’s electrical harness to the new pump—the connector is uniquely keyed to ensure correct orientation. Route the pre-attached hoses along the factory-specified path, securing them with existing clips to prevent chafing or vibration damage, and reconnect them to the windshield jets. Fill the new reservoir with the appropriate seasonal washer fluid. Reconnect the battery and perform a comprehensive operational test of the 3747910-C6100 system to verify strong, consistent spray patterns on the windshield.

Rigorous OEM Quality Assurance & Performance Testing

Every 3747910-C6100 assembly is subjected to DONGFENG’s stringent quality validation protocols. The reservoir undergoes pressure and vacuum cycle testing to verify its complete leak-proof integrity and resistance to deformation. The plastic material is analytically tested for impact strength, UV degradation resistance, and chemical compatibility with various washer fluid formulations.

The electric pump is bench-tested for critical parameters including flow rate, pressure output, current draw, and operational lifespan under simulated heavy-use conditions. The complete 3747910-C6100 assembly also endures vibration and thermal shock testing that replicates years of harsh under-hood service. This comprehensive quality assurance process guarantees that each unit delivers the unwavering reliability and performance expected from a genuine DONGFENG OEM part.

Symptoms of a Failing 3747910-C6100 Assembly

A deteriorating washer system will present unmistakable warning signs. The most common symptom is a complete absence of fluid spray when the control stalk is activated, often coupled with no audible humming sound from the pump motor. A weak, intermittent, or dribbling spray indicates a failing pump, a clogged internal filter, or a partial blockage in the hoses or nozzles of the 3747910-C6100 system.

Visible puddles of blue or green washer fluid under the front of the parked truck, typically near the wheel arches, are a clear indicator of a cracked reservoir or a disconnected hose. If the pump motor is audible but no fluid is delivered, the issue could be a dislodged hose connection, a severely clogged filter, or the reservoir being completely empty. Ignoring these symptoms can lead to a burned-out pump motor due to dry running or, more critically, dangerously compromised driving visibility during adverse weather. Timely replacement of the complete 3747910-C6100 assembly is the most efficient and reliable corrective action.

Importance of Correct Washer Fluid & Cold-Weather Preparation

The service life and effectiveness of the 3747910-C6100 assembly are directly influenced by the quality and type of washer fluid used. Always use fluid specifically formulated for automotive windshield cleaning systems. In climates with freezing winters, it is absolutely critical to use a fluid with a freezing point significantly lower than the expected seasonal minimum temperatures. Using water or a summer-grade fluid can cause the liquid to freeze inside the 3747910-C6100 reservoir, pump, and hoses, leading to cracks, splits, and permanent, costly damage.

Seasonal maintenance should include a check of the fluid concentration and condition before the onset of winter. It is also prudent to periodically inspect the fluid for sediment or microbial growth and to clean the reservoir filler neck and cap. Using high-quality, seasonally appropriate fluid in conjunction with the genuine 3747910-C6100 assembly ensures optimal cleaning performance, protects your investment, and guarantees system readiness throughout the year.

Genuine DONGFENG 3747910-C6100 vs. Aftermarket Alternatives

Selecting the genuine 3747910-C6100 assembly is a definitive choice for guaranteed reliability, fit, and long-term value. The OEM part is manufactured to the exact dimensional tolerances, material specifications, and electrical requirements of your specific DONGFENG truck model. Its components are validated for seamless integration and long-term durability.

Aftermarket kits frequently compromise on material quality, utilizing thinner, non-UV-stabilized plastics for the reservoir, lower-output pumps with shorter design lives, and universal hoses that require cutting and may not achieve a perfect seal. The electrical connector may be a generic fit, leading to poor contact and intermittent operation. The risk of a premature failure, coupled with the additional labor costs of a second repair, far outweighs any minimal initial purchase price savings. The authentic 3747910-C6100 guarantees a perfect fit, reliable performance from the moment of installation, and peace of mind for the operator.

Holistic Visibility System Maintenance Strategy

The 3747910-C6100 washer assembly is one integral component within the truck’s broader visibility and safety system. For maximum effectiveness, its operation should be supported by consistent maintenance of other related elements. This includes the regular replacement of worn windshield wiper blades, checking and adjusting the aim of the washer jets for optimal windshield coverage, and ensuring the windshield glass itself is clean and free of significant pitting or cracks that can scatter light.

Incorporating a functional check of the 3747910-C6100 system into standard pre-trip inspections and scheduled preventative maintenance intervals is an industry best practice. This proactive, holistic approach ensures that all visibility-related safety systems are consistently operational. It supports compliance with stringent transport regulations, minimizes the risk of weather-related incidents, and fosters a robust culture of safety within any commercial fleet operation.

Conclusion: The Essential OEM Choice for Uncompromised Safety & Reliability

The DONGFENG Washer Reservoir With Pump And Hose Assembly, part number 3747910-C6100, is a fully integrated, safety-critical component. It delivers the reliable performance necessary to maintain a clean windshield—a factor directly linked to accident prevention and overall driving effectiveness. Its robust, leak-proof, and vibration-resistant design is engineered specifically for the harsh realities of commercial trucking operations.

For fleet maintenance supervisors, workshop technicians, and conscientious owner-operators who prioritize safety, operational efficiency, and vehicle uptime, specifying the genuine 3747910-C6100 assembly is the only logical and responsible choice. It offers a guaranteed fit, eliminates repair uncertainties, and delivers the durable, long-lasting performance required to keep your DONGFENG truck compliant, safe, and ready for the road ahead, regardless of the conditions encountered. Invest in the exact OEM part to secure the clarity, safety, and professionalism of every journey.

Online Catalog of DONGFENG Truck Parts

Learn More

If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.

2025-08-17

Dongfeng Constant Flow Pump

Dongfeng Constant Flow Pum […]
2025-08-17

Dongfeng Distributary Valve Assy

Dongfeng Distributary Valv […]
2025-08-17

Dongfeng Hydraulic Steering Gear

Dongfeng Hydraulic Steerin […]
2025-08-17

Dongfeng CBN-E314A Gear Pump

Dongfeng CBN-E314A Gear Pu […]
2025-08-17

Dongfeng CBN-E306B Gear Pump

Dongfeng CBN-E306B Gear Pu […]
2025-08-17

Dongfeng Steering Cylinder Assy

Dongfeng Steering Cylinder […]

Related Products

Customer Visit

2025-09-28

Kenya Truck Parts Collaboration: DERUNA Empowers Local Distributors to Deepen Presence in Chinese Heavy-Duty Truck Market

DERUNA strengthens its partnership with Kenyan distributors of Howo, Shacman, and FAW trucks. This visit confirmed the high quality of our Kenya Trucks Parts and paved the way for expanding the supply of reliable components to the Kenyan market.
2025-09-25

Strategic Expansion: Howo Parts Niger Partnership Strengthened by Client Visit to DERUNA

DERUNA hosted a client from Niger specializing in Howo Parts Niger. The visit, fueled by the client's positive experience, led to a new合作 plan with customized parts recommendations for the Niger market.
2025-09-25

Boost Your Fleet: Howo Parts Mozambique Success with DERUNA

A leading Mozambican parts intermediary visited DERUNA, expressing high satisfaction with HOWO and Shacman parts. We reviewed local sales data and planned future cooperation for optimal Howo Parts Mozambique supply.
2025-09-24

Strengthening the Partnership: DERUNA Hosts Krasnoyarsk’s Premier HOWO Parts Distributor

Strengthening the Partnership: DERUNA Welcomes the Distributor of Howo Parts Krasnoyarsk for a Strategic Review.
2025-09-23

Building the Future: DERUNA Welcomes Bangladeshi Road Construction Leader for Equipment Review and Strategic Planning

Building the Future: DERUNA Hosts XCMG Shantui Equipment Bangladesh Review with Strategic Partner.
2025-09-23

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company for Strategic Partnership Review

Strengthening Mining Operations: DERUNA Welcomes Mauritanian Mining Company to Review HOWO Dump Truck and XCMG Excavator Partnership.