Great Wall Haval H3 Front Three-Way Catalytic Converter

Great Wall Haval H3 Front Three-Way Catalytic Converter – Euro V Certified | High-Strength 409L Stainless Steel | Direct-Fit Replacement

Great Wall Haval H3 Front Three-Way Catalytic Converter – Restore Engine Power & Ensure Emissions Compliance
Engineered as the ultimate direct-fit solution for Haval H3 owners, this premium catalytic converter is designed to replace failing or inefficient factory units. Whether you’re experiencing a check engine light (P0420), struggling to pass emissions testing, or noticing reduced engine performance, this converter restores your vehicle to factory standards—delivering reliable emissions control, improved power, and long-term durability.

1. Top Features Mechanics & Owners Rely On

High-Efficiency Emissions Control

• Precision-engineered ceramic honeycomb substrate efficiently converts harmful CO, HC, and NOx into less harmful gases.

• Meets or exceeds Euro V standards for clean, compliant performance.

Durable 409L Stainless Steel Construction

• Built with corrosion-resistant stainless steel to withstand extreme exhaust temperatures.

• Ensures long service life in diverse driving environments.

Performance Recovery Design

• Optimized flow channels minimize exhaust restriction.

• Restores lost horsepower, improves throttle response, and recovers fuel efficiency.

Direct-Fit OEM Replacement

• CNC precision engineered to match OEM Haval H3 specifications.

• Bolt-on installation with no cutting or welding required.

2. Technical Specifications

3. Why This Is the Smart Solution

1. Failing Emissions Tests

   • Restores exhaust system performance to ensure smooth compliance.

2. Check Engine Light (P0420)

   • Specifically designed to resolve “Catalyst System Efficiency Below Threshold” issues.

3. Sluggish Performance & Poor MPG

   • Removes blockages caused by clogged converters, restoring fuel efficiency and engine response.

4. High Installation Costs

   • Direct-fit design reduces installation time and labor cost.

4. Quality Validation & Certifications

• ISO9001 & TS16949 Certified – Automotive-grade quality control

• CE, RoHS, E-Mark Certified – European safety & environmental compliance

• CCC & COP Certified – Meets Chinese national and production conformity standards

5. The 3WayCatalyst Advantage

• Performance & Compliance

  • High catalyst loading, engineered for Euro II–V standards.

  • Restores horsepower, fuel efficiency, and smooth driving.

• Hassle-Free Installation

  • CNC precision ensures direct-fit replacement.

  • Compatible with factory O₂ sensors, includes necessary mounting points.

• Long-Term Durability

  • Corrosion-resistant 409L stainless steel build.

  • Backed by a 1-year warranty.

6. Real-World Applications

• Case Study: Haval H3 with Failed Emissions Test

  • Problem: Vehicle could not pass mandatory emissions inspection.

  • Solution: Installed our Euro V certified catalytic converter.

  • Result: Passed retest and engine performance was noticeably improved.

• Case Study: Haval H3 with P0420 Code

  • Problem: Persistent check engine light and reduced MPG.

  • Solution: Garage replaced the original clogged converter with our direct-fit unit.

  • Result: Code cleared permanently, fuel efficiency restored.

Contact 3WayCatalyst Today For:

• Technical datasheets & detailed specifications

• Distributor & bulk order discounts

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• 24/7 expert technical & sales support