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  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
  • EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts
EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts

EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts

  • >= 1 Pieces
    $20

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
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EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Emission Reduction: Converts harmful pollutants (CO, HC, NOx) into less harmful substances (CO₂, H₂O, N₂) via advanced SCR DOC technology.
  • Durability & Heat Resistance: Constructed with 404 stainless steel and steel materials to withstand high-temperature exhaust systems and corrosive gases.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

    • With a 404 stainless steel outer casing, this catalytic converter withstands extreme temperatures and corrosive exhaust gases, ensuring durability even in harsh operating conditions.

  • 2. High-Efficiency Honeycomb Core Design

    • The ceramic/metal honeycomb structure maximizes surface area for chemical reactions, enabling up to 90% reduction of harmful emissions (CO, HC, NOx) compared to older models*.

  • 3. EURO IV Compliance for Modern Standards

    • With EURO IV certification, it meets stringent emissions regulations, helping vehicles achieve cleaner exhaust output and environmental compliance.

  • 4. Vehicle-Specific Compatibility

    • Tailored for 1972–1977 gasoline engines (models S/BE), this converter ensures seamless integration and optimal performance in vintage or legacy vehicle systems.

  • 5. Adaptable Exhaust System Fitment

    • Designed for easy installation, it accommodates various exhaust configurations, simplifying retrofitting or replacement in diverse automotive setups.

Product details

EURO IV SCR DOC Catalyst Converter With 404 Stainless Steel Pipe Gasoline Engine Engine Parts

The EURO IV SCR DOC Catalyst Converter with 404 stainless steel pipe is a high-performance emissions control component designed for gasoline engines. Engineered with corrosion-resistant stainless steel and tailored for vehicles from 1972–1977 (models S and BE), this converter efficiently reduces harmful pollutants like CO, HC, and NOx to meet stringent environmental standards.

Technical specifications

FeatureSpecificationApplication Scenario
Material Composition404 stainless steel casing, ceramic honeycomb substrateWithstands high-temperature exhaust systems and corrosive gases
Emission Reduction Efficiency95% reduction of CO/HC/NOx (EURO IV compliant)Meets regulatory requirements for vintage and classic vehicles
Temperature ResistanceUp to 950°C continuous operationIdeal for engines with high thermal loads
CompatibilityModels S/BE, 1972–1977 gasoline enginesDirect fit for specified vintage automotive applications

Customization guide

Adjustable parameters include pipe length and catalyst type to accommodate unique engine configurations or emission targets. For example, upgrading to a platinum-based catalyst enhances NOx conversion for high-performance engines.

Get inspired

Maximize your vehicle’s environmental compliance and longevity with this robust converter. Whether restoring a classic car or upgrading an older engine, this component ensures reliable emissions control without compromising performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Emission Reduction Efficiency85% (EURO III)+15% (92% EURO IV)+30% (98% EURO V)*
Temperature ResistanceUp to 800°C+15% (920°C)+30% (1,040°C)*
Material GradeStainless Steel 304Stainless Steel 404Stainless Steel 444

Supplier's note

  1. Technical Breakthroughs:

    • Honeycomb Substrate: 40% higher surface area than traditional designs for faster chemical reactions.
    • 404 Stainless Steel: 20% lighter than cast iron, reducing engine bay heat retention.
    • Model-Specific Fitments: Pre-configured adapters for 1972–1977 S/BE engines ensure seamless installation.

  2. Version Selection Guidance:

    • Base Model: Ideal for standard compliance in daily-use vehicles.
    • Advanced Model: Best for performance-tuned engines needing EURO IV certification.
    • Pro Model: Required for heavy-duty or high-temperature applications (e.g., turbocharged engines).

With the Pro model’s 1,040°C resistance, you can safely handle exhaust spikes from aftermarket turbo kits. Pair its 444-grade steel with the ceramic substrate to achieve 98% emissions reduction, ensuring longevity even under extreme conditions. For vintage restorations, the Base Model’s direct fit simplifies installation while meeting regulatory requirements.

Frequently asked questions

  • Which model of the EURO IV SCR DOC Catalyst Converter suits vehicles from 1972-1977?

  • How do I clean and maintain the stainless steel casing of this catalytic converter?

  • Why is stainless steel better than regular steel for catalytic converters in gasoline engines?

  • Can this converter be customized for specific engine models like Model S or BE?

  • Is the EURO IV SCR DOC Catalyst Converter compliant with emissions regulations?

  • What makes the honeycomb structure in this converter efficient for reducing emissions?

  • How does the stainless steel pipe enhance durability compared to other materials?

  • Are there installation guidelines for fitting this converter in older engine parts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh environmental conditions (e.g., coastal areas)Industry: Carbon Steel (ASTM A36)Base: 404 Stainless Steel (ASTM A240) ▲Advanced: 316 Stainless Steel (ASTM A240) ▲
Base offers 20% better corrosion resistance; Advanced adds 30% more durability.Advanced is 25% heavier.
Emission Reduction EfficiencyUrban areas with strict emission standardsIndustry: 70% reduction (EPA Tier 3)Base: 85% (EPA Tier 4) ▲Advanced: 95% (EPA Tier 4+) ▲
Base meets Tier 4; Advanced exceeds by 10%.Advanced may require larger installation space.
Temperature ResistanceHigh-performance engines with elevated exhaust tempsIndustry: Up to 800°C (ISO 834)Base: 900°C ▲Advanced: 1000°C ▲
Base handles hotter exhausts; Advanced withstands extreme temps.Advanced uses costlier materials.
DurabilityCommercial vehicles with high mileageIndustry: 5-year lifespan (ISO 9001)Base: 8 years ▲Advanced: 10 years ▲
Base lasts 60% longer; Advanced doubles Industry lifespan.Higher upfront cost for Advanced.
CompatibilityVintage vehicle restoration projectsIndustry: Fits 1980s modelsBase: 1972-1977 ▲Advanced: Universal (1970-2000) ▲
Base targets specific vintage; Advanced fits broader range.Base may not fit newer vehicles.
Noise LevelResidential areas with noise restrictionsIndustry: 50 dBA (louder than lawnmower)Base: 40 dBA ▲ (quieter than refrigerator)Advanced: 35 dBA ▲ (similar to library)
Base reduces noise by 20%; Advanced cuts another 12.5%.Advanced adds 15% more weight.

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