Left Front Combination Lamp Assembly 3772010C6203 DFM DongFeng – OEM-Quality Headlamp for Heavy-Duty Trucks

When your DongFeng heavy-duty truck needs a reliable left front lighting solution, this Left Front Combination Lamp Assembly 3772010C6203 delivers uncompromising visibility and durability. Engineered as a direct OEM replacement for DFM DongFeng commercial vehicles, this lamp assembly integrates every lighting function a professional driver demands — high beam, low beam, LED daytime running lights, turn signal, and electric leveling — all within one precision-built housing. Whether you're sourcing parts for fleet maintenance, accident repair, or export vehicle assembly, this combination lamp stands ready to illuminate the road ahead with confidence.

As a trusted global supplier of Chinese brand truck parts, Mettlead brings you factory-direct access to genuine-spec components at competitive prices. Explore our full range of DongFeng truck parts or browse our complete electrical system components catalog for more solutions.

Key Features & Benefits of the 3772010C6203 Left Front Combination Lamp Assembly

This isn't just a headlamp — it's a complete front lighting command center designed to keep commercial vehicles visible and safe under the toughest operating conditions. Here's what makes it stand out:

Integrated Multi-Function Design

• High & Low Beam: Halogen bulbs paired with precision-engineered reflectors deliver a wide, uniform beam pattern that cuts through darkness on highways and urban roads alike.
• LED Daytime Running Lights (DRL): Energy-efficient LED elements boost your truck's daytime visibility to other road users, reducing accident risk significantly.
• Turn Signal Lamp: Bright, responsive indicator ensures clear communication of lane changes and turns to surrounding traffic.
• Electric Beam Leveling: Built-in motor-driven adjuster allows the driver to fine-tune beam height from the cabin, compensating for varying load conditions.

Superior Construction & Durability

• Impact-Resistant Housing: Constructed from high-grade polycarbonate and ABS plastic, this lamp shrugs off road debris, vibration, and minor impacts without cracking.
• Chrome-Plated Internal Reflector: Maximizes light output and ensures optimal beam distribution for safer nighttime driving.
• Scratch-Resistant Polycarbonate Lens: Maintains crystal-clear light transmission over years of service, resisting UV yellowing and surface abrasion.
• Sealed Construction: IP-rated sealing keeps water, dust, and contaminants out — essential for trucks operating in rain, mud, and extreme temperatures.

Procurement Advantages for B2B Buyers

• Factory-Direct Pricing: Eliminate middlemen and reduce your per-unit cost without sacrificing quality.
• Fast & Reliable Delivery: Streamlined logistics ensure your parts arrive on schedule, minimizing fleet downtime.
• Strict Quality Control: Every lamp assembly undergoes rigorous inspection for optical alignment, seal integrity, and electrical function before shipping.
• White-Label / Custom Packaging: Perfect for distributors and aftermarket brands looking to sell under their own label.

Application Scenarios – Where This Lamp Assembly Belongs

This Left Front Combination Lamp Assembly 3772010C6203 is specifically designed to fit the following DongFeng Tianlong series heavy trucks (China VI emission standard), including export models:

• DongFeng Tianlong Flagship KX – Premium long-haul tractor units
• DongFeng Tianlong GX – High-efficiency logistics tractors
• DongFeng Tianlong KL – Versatile medium-to-long-distance haulers
• DongFeng Tianlong KC – Construction and vocational chassis platforms

Moreover, this assembly serves multiple use cases across the commercial vehicle lifecycle:

1. New Vehicle Assembly (OEM): Ideal for CKD/SKD export vehicle assembly lines requiring factory-spec lighting components.
2. Accident Damage Replacement: Restore full front lighting function quickly after collision damage — a critical safety repair.
3. Aging & Wear Replacement: Over time, lens hazing, reflector degradation, and seal failure reduce light output. This new assembly restores like-new performance.
4. Scheduled Maintenance & Fleet Overhaul: Proactive replacement during major service intervals keeps your fleet road-legal and inspection-ready.

Technical Specifications

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that every market has unique requirements. That's precisely why we offer flexible OEM and ODM services for the Left Front Combination Lamp Assembly 3772010C6203 DFM DongFeng and our broader product range:

• White-Label Packaging: Receive products in neutral packaging, ready for your own branding and distribution channels.
• Custom Packaging & Labeling: We print your logo, part numbers, barcodes, and compliance markings directly on the box — so your brand looks professional from the moment it arrives at your warehouse.
• Quality Assurance: Our strict QC process includes optical performance testing, vibration resistance checks, water ingress testing, and electrical continuity verification.
• Flexible MOQ: Whether you need a small trial order or container-load quantities, we accommodate your volume requirements.
• Factory Visits Welcome: We invite procurement teams to visit our facilities, inspect production lines, and build confidence in our supply chain firsthand.

In addition, our team provides technical support to help you cross-reference part numbers and confirm fitment for specific DongFeng truck variants. Simply contact our sales team with your vehicle model and VIN, and we'll confirm compatibility within 24 hours.

Frequently Asked Questions (FAQ) – Left Front Combination Lamp Assembly 3772010C6203

1. What vehicles does the 3772010C6203 Left Front Combination Lamp Assembly fit?

This lamp assembly is designed as a direct-fit replacement for the DongFeng Tianlong Flagship KX, GX, KL, and KC series heavy trucks equipped with China VI engines. It also fits export-spec variants of these models. If you're unsure about compatibility, provide your truck's VIN and we'll verify fitment for you.

2. Does this combination lamp assembly include all bulbs and LED modules?

Yes. The Left Front Combination Lamp Assembly 3772010C6203 ships as a complete unit with halogen bulbs (high/low beam), integrated LED daytime running light modules, turn signal bulb, and the electric leveling motor pre-installed. It's truly plug-and-play — no additional components needed.

3. Is the electric beam leveling motor included and functional out of the box?

Absolutely. The built-in electric adjuster motor connects directly to your truck's existing leveling control system via the OEM harness connector. Once installed, you can adjust beam height from the cabin immediately.

4. How does this lamp resist water and dust ingress?

The assembly features a fully sealed housing with precision-molded gaskets and vented breather valves. This design prevents moisture condensation inside the lens while keeping dust and water out — even during high-pressure washing or heavy rain driving conditions.

5. Can I order just the left side, or must I buy a pair?

You can order the left front assembly (Part No. 3772010C6203) individually. However, if both headlamps show signs of aging or damage, we recommend replacing them as a pair to ensure uniform light output and appearance. Contact us for the matching right-side part number.

6. What is the expected lifespan of the LED DRL elements?

The integrated LED daytime running lights are rated for approximately 30,000+ hours of operation — far outlasting the vehicle's typical service interval. They consume minimal power while providing maximum daytime visibility.

7. Will this lamp pass vehicle inspection and road-legal requirements?

Yes. This Left Front Combination Lamp Assembly meets China GB standards and is designed to comply with ECE regulations for beam pattern, light intensity, and color temperature. It will pass standard vehicle lighting inspections when properly installed and aimed.

8. How should I store this lamp assembly before installation?

Store the assembly in its original packaging, in a cool, dry environment away from direct sunlight. Avoid stacking heavy items on top of the box to prevent lens or housing damage. The polycarbonate lens is scratch-resistant, but we recommend keeping the protective film in place until installation.

Ready to Secure Your Supply? Get a Quote Today

Every hour your truck sits without proper front lighting is an hour of lost revenue and increased safety risk. Don't let downtime eat into your bottom line.

Here's how to get started:

1. Tell us what you need: Share the part number (3772010C6203), quantity, and your target delivery date.
2. Receive your quote: Our team responds within 24 hours with pricing, lead time, and shipping options.
3. Place your order: Enjoy flexible, secure payment methods and reliable global logistics.

Whether you're a fleet manager replacing a single damaged lamp or a distributor stocking hundreds of units, Mettlead delivers the quality, price, and service you need to keep your business moving forward.

👉 Contact Us Now for a Fast Quote on the 3772010C6203 Left Front Combination Lamp Assembly

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