HomeExhaust > Catalytic ConverterOP Converters OPCG4026 Catalytic Converter - Left
Part #: OPCG4026

OP Converters OPCG4026 Catalytic Converter - Left

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⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$321.37Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hummer, H2
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Catalytic Converter for Hummer H2

The OP Converters OPCG4026 catalytic converter is designed specifically for the Hummer H2, ensuring proper fitment and emission control. This part helps maintain your vehicle’s compliance with environmental standards while supporting optimal engine performance.

  • Compatible with Hummer H2 models
  • Direct replacement catalytic converter
  • Manufactured by OP Converters for quality assurance
  • Part number OPCG4026 for easy identification
  • Meets emission regulations for cleaner exhaust output

Product Details and Specifications

The OP Converters OPCG4026 catalytic converter is engineered to match the original equipment specifications for the Hummer H2. It is constructed to provide effective reduction of harmful exhaust gases, including carbon monoxide, hydrocarbons, and nitrogen oxides. This catalytic converter supports the vehicle’s emission system without compromising engine efficiency or fuel economy. The part number OPCG4026 ensures compatibility and simplifies the replacement process for technicians and vehicle owners.

Common Applications and Problem Solving

  • Replaces a damaged or clogged catalytic converter on Hummer H2
  • Resolves check engine light issues related to emission control
  • Improves exhaust flow and reduces harmful emissions
  • Helps pass state and federal emissions inspections
  • Restores proper function to the vehicle’s exhaust system

Installation Notes and Tips

Installation of the OP Converters OPCG4026 catalytic converter should be performed by a qualified technician familiar with Hummer H2 exhaust systems. Ensure the vehicle is cooled down before removal of the old converter. Proper torque specifications and gasket replacements are recommended to prevent leaks. Verify fitment using the part number OPCG4026 to avoid compatibility issues.

Quality Assurance and Warranty

OP Converters manufactures the OPCG4026 catalytic converter to meet industry standards for durability and performance. While specific warranty details are not provided, OP Converters products typically adhere to quality control processes to ensure reliable operation. Confirm warranty terms with the distributor or installer prior to purchase.

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2006HummerH2AdventureLeftFederal, 47-State Only, Not legal for sale in CA, NY or ME
2005HummerH2AdventureLeftFederal, 47-State Only, Not legal for sale in CA, NY or ME
2004HummerH2LeftFederal, 47-State Only, Not legal for sale in CA, NY or ME
2003HummerH2LeftFederal, 47-State Only, Not legal for sale in CA, NY or ME

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.