EGR Valve 3629610TL990 DFM DongFeng – OEM Heavy-Duty Exhaust Gas Recirculation Valve

When your DongFeng heavy-duty truck demands precise emission control and unwavering engine performance, the EGR Valve 3629610TL990 steps up to the task. Engineered specifically for DFM DongFeng commercial vehicles, this OEM-grade exhaust gas recirculation valve ensures your engine breathes efficiently while meeting stringent China VI (National VI) emission standards. As a result, you get lower NOx emissions, improved fuel economy, and extended engine life — all from a single, precision-built component.

At Mettlead, we supply this genuine-quality EGR valve directly from our factory in China, which means you benefit from competitive pricing without compromising on performance or reliability. Whether you're a fleet manager, procurement specialist, or workshop owner, this valve is ready to keep your trucks running cleaner and stronger.

Key Features and Benefits of EGR Valve 3629610TL990

This EGR valve isn't just another replacement part — it's a performance-critical component that your DongFeng truck relies on every single kilometer. Here's what makes it stand out:

• OEM-Matched Precision: Manufactured to exact OEM specifications (Part No. 3629610TL990), ensuring a perfect fit and seamless integration with DFM DongFeng engine management systems.
• Heat-Resistant Housing: Built with high-strength, heat-resistant alloy materials that withstand extreme exhaust temperatures — even during prolonged heavy-load operations.
• Reliable Actuation Mechanism: The precision-engineered actuator delivers consistent, responsive exhaust gas recirculation control, maintaining optimal EGR flow rates under all driving conditions.
• Emission Compliance: Helps your vehicle meet China VI and equivalent international emission standards by effectively reducing nitrogen oxide (NOx) output.
• Extended Service Life: Corrosion-resistant internal components and robust sealing technology ensure long-lasting durability, reducing replacement frequency and maintenance costs.
• Fuel Efficiency Optimization: By precisely controlling exhaust gas recirculation, this valve contributes to improved combustion efficiency, which translates directly into fuel savings for your fleet.

In other words, this EGR valve works tirelessly behind the scenes to protect your engine, your compliance status, and your bottom line — all at the same time.

Technical Specifications – EGR Valve 3629610TL990 DFM DongFeng

Below you'll find the detailed technical parameters for this EGR valve. Every specification has been verified to match OEM requirements, so you can order with confidence:

Application Scenarios – Where Does This EGR Valve 3629610TL990 Belong?

Understanding exactly where and how this part functions helps you make a more informed purchasing decision. Here's a comprehensive breakdown of its application:

Compatible Vehicle Models

The EGR Valve 3629610TL990 is specifically designed to fit the following DongFeng heavy-duty truck series:

• DongFeng Tianlong Flagship KX (东风天龙旗舰 KX)
• DongFeng Tianlong KL (东风天龙 KL)
• DongFeng Tianlong GX (东风天龙 GX)
• DongFeng Tianlong KC (东风天龙 KC)
• Other China VI compliant DongFeng heavy-duty trucks and export models

Installation Position

This EGR valve is installed within the engine exhaust recirculation system, positioned between the exhaust manifold and the intake manifold. It connects directly to the engine's electronic control unit (ECU), which commands the valve to open or close based on real-time engine load, speed, and temperature data.

Core Function

The EGR Valve 3629610TL990 performs a vital role in your truck's emission control system:

1. Real-Time Signal Processing: It receives commands from the ECU to regulate the volume of exhaust gas redirected back into the combustion chamber.
2. Precise Flow Control: By metering the exact amount of recirculated exhaust gas, it lowers peak combustion temperatures, which directly reduces harmful NOx formation.
3. Adaptive Response: The valve continuously adjusts its position based on driving conditions — whether your truck is climbing a steep grade, cruising on the highway, or idling at a loading dock.

Typical Use Cases

• New Vehicle Assembly: OEM-grade quality makes it suitable for original equipment installation on production lines.
• Damaged Part Replacement: When the original EGR valve fails, sticks, or develops carbon buildup, this direct replacement restores full emission system functionality.
• Emission System Repair & Maintenance: Essential component during scheduled maintenance or when diagnostic trouble codes (DTCs) indicate EGR system faults.

OEM/ODM Capability – Tailored to Your Business Needs

At Mettlead, we understand that different markets have different requirements. That's precisely why we offer flexible OEM and ODM services for the EGR Valve 3629610TL990 and our entire range ofDFM DongFeng truck parts:

• White-Label Packaging: We can supply this EGR valve in neutral packaging, ready for you to brand and distribute under your own label.
• Custom Packaging: Need your company logo, part numbers, or barcodes on the box? We handle that for you — no minimum order headaches.
• Strict Quality Control: Every single EGR valve undergoes rigorous inspection and testing before shipment, including leak testing, actuation response testing, and dimensional verification.
• Factory-Direct Pricing: By sourcing directly from our manufacturing base in China, you eliminate middlemen and enjoy the most competitive pricing in the market.
• Fast & Reliable Delivery: We maintain ready stock for popular part numbers and offer flexible shipping options — air freight, sea freight, or express courier — to meet your delivery timeline.
• Secure Payment Options: We support T/T, L/C, Western Union, and other flexible payment methods to suit your procurement process.
• Factory Visits Welcome: We invite procurement managers and distributors to visit our facility in China for quality audits and face-to-face discussions.

Furthermore, our product range extends far beyond DongFeng parts. We are a comprehensive supplier of truck parts for SINOTRUK, SITRAK, HOWO, SHACMAN, FAW, WEICHAI, and FOTON — making us your one-stop sourcing partner for Chinese brand truck components.

Frequently Asked Questions (FAQ) – EGR Valve 3629610TL990

Q1: What are the symptoms of a failing EGR Valve 3629610TL990?

When this EGR valve begins to fail, your truck will typically show one or more of the following signs: the check engine light illuminates with EGR-related fault codes (such as P0401 or P0402), you notice increased black smoke from the exhaust, the engine experiences rough idling or hesitation under load, and in some cases, fuel consumption rises noticeably. If left unaddressed, a stuck-open valve can cause excessive exhaust gas recirculation, leading to power loss, while a stuck-closed valve results in elevated NOx emissions and potential compliance failures.

Q2: Is this EGR Valve 3629610TL990 an original OEM part or aftermarket?

This EGR valve is manufactured to OEM-equivalent quality standards, matching the exact specifications of the original part number 3629610TL990. It is produced using the same materials, tolerances, and testing protocols as the factory-installed component. As a result, it delivers identical performance and fitment to the original part on your DongFeng truck.

Q3: What causes carbon buildup on the EGR Valve, and how can I prevent it?

Carbon buildup is the most common enemy of any EGR valve. It occurs when soot and carbon particles from exhaust gases gradually accumulate on the valve's internal surfaces and pintle. Over time, this buildup restricts valve movement and reduces flow accuracy. To minimize this issue, ensure your engine uses high-quality fuel, maintain proper oil change intervals, and address any engine performance issues (such as incomplete combustion) promptly. Additionally, periodic cleaning of the EGR valve during scheduled maintenance can significantly extend its service life.

Q4: How do I verify that part number 3629610TL990 fits my specific DongFeng truck model?

The most reliable method is to cross-reference the part number stamped on your existing EGR valve. Simply remove the old valve and check for the marking "3629610TL990" on the housing. Alternatively, you can provide us with your truck's VIN (Vehicle Identification Number), engine model, and year of manufacture, and our technical team will confirm compatibility for you. Don't hesitate to contact us for free fitment verification.

Q5: What is the expected lifespan of this EGR valve under normal operating conditions?

Under normal heavy-duty operating conditions with proper maintenance, the EGR Valve 3629610TL990 is designed to last between 150,000 to 300,000 kilometers. However, actual lifespan depends on factors such as fuel quality, engine condition, operating environment (dusty or humid conditions accelerate wear), and maintenance practices. We provide a 12-month warranty for your peace of mind.

Q6: Can I order this EGR valve in bulk for my parts distribution business?

Absolutely. We specialize in B2B bulk supply and offer tiered pricing for volume orders. Whether you need 10 units or 10,000, we can accommodate your requirements with consistent quality and competitive pricing. Moreover, we offer white-label and custom packaging options so you can sell under your own brand. Simply send us your quantity requirements for a tailored quotation.

Q7: Does this EGR valve come with installation hardware and gaskets?

The standard package includes the EGR valve assembly as a complete unit. Depending on your specific order requirements, we can include mounting gaskets and hardware. Please specify your needs when requesting a quote, and we'll ensure everything you need arrives in one shipment.

Ready to Source Your EGR Valve 3629610TL990? Let's Talk.

You've done your research — now it's time to take action. Whether you need a single replacement unit or a bulk order for your distribution network, Mettlead is ready to deliver the EGR Valve 3629610TL990 for DFM DongFeng trucks at factory-direct pricing with guaranteed quality.

Here's what happens when you reach out:

1. Quick Response: Our sales team responds to inquiries within 24 hours with pricing and availability.
2. Free Technical Support: Not sure about fitment? Our engineers will verify compatibility at no charge.
3. Flexible Terms: We work with your preferred payment method and shipping timeline.

👉Contact Us Now to Request a Quote— Tell us your required quantity, destination country, and preferred shipping method, and we'll prepare a detailed offer within hours.

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