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OP Converters OPCG4042A Catalytic Converter
Reliable Catalytic Converter for GM Trucks and SUVs
The OP Converters OPCG4042A catalytic converter is designed to meet emission standards for select Cadillac, Chevrolet, and GMC vehicles. Engineered for models like the Chevrolet Silverado 1500 and GMC Sierra 2500, this converter helps maintain optimal exhaust performance and reduces harmful emissions.
- Compatible with Cadillac Escalade, Chevrolet Avalanche 1500, Silverado 1500 Classic, Suburban 1500, Tahoe, and GMC Sierra 1500 Classic, Sierra 2500, Yukon, Yukon XL 1500
- Direct fit replacement for OE catalytic converters
- Constructed to meet EPA and CARB emission requirements where applicable
- Durable materials designed for long service life under normal operating conditions
- Part number OPCG4042A ensures precise fitment and performance
Product Details and Compatibility
This OP Converters catalytic converter (OPCG4042A) is specifically engineered for use in a range of GM full-size trucks and SUVs. It supports vehicles such as the Chevrolet Silverado 1500 and GMC Sierra 2500, as well as Cadillac Escalade and Yukon models. The converter is designed to replace the original equipment part, ensuring proper fit and function without modification. Its construction supports effective catalytic reduction of exhaust emissions, helping vehicles comply with environmental regulations.
Common Applications and Problem Resolution
- Replacement for clogged or damaged catalytic converters causing reduced engine performance
- Helps resolve check engine light issues related to emission control system faults
- Restores proper exhaust flow and reduces harmful emissions
- Addresses failed emissions tests due to converter inefficiency
- Prevents exhaust leaks that can affect vehicle operation and safety
Installation Notes and Tips
Installation of the OPCG4042A catalytic converter should be performed by a qualified technician familiar with GM exhaust systems. Ensure the vehicle is properly supported and cooled before beginning work. Verify the part number and fitment against the vehicle’s VIN and model specifications. Use appropriate tools to avoid damage to the converter or exhaust components during installation.
Quality Assurance and Warranty
OP Converters manufactures this catalytic converter to meet or exceed OEM standards for durability and emissions compliance. While specific warranty details are not provided, OP Converters products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.
This part fits 56 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | # Doors | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Silverado 1500 Classic | 4.3L | V6 | N/A | Direct Fit | ||||
| 2007 | GMC | Sierra 1500 Classic | 4.3L | V6 | N/A | Direct Fit | ||||
| 2006 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Direct Fit | ||||
| 2006 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2006 | GMC | Sierra 1500 | Extended Cab Pickup | 4.3L | V6 | N/A | Direct Fit | |||
| 2006 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2006 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2005 | Cadillac | Escalade | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2005 | Chevrolet | Avalanche 1500 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||||
| 2005 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | 4 Door | 5.3L | V8 | GAS | N/A | Direct Fit |
| 2005 | Chevrolet | Suburban 1500 | LT | GAS | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2005 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2005 | GMC | Sierra 1500 | Base | Extended Cab Pickup | 4 Door | 5.3L | V8 | FLEX | N/A | Direct Fit |
| 2005 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2005 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2004 | Cadillac | Escalade | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2004 | Chevrolet | Avalanche 1500 | GAS | N/A | Direct Fit | |||||
| 2004 | Chevrolet | Silverado 1500 | Z71 Off-Road | Extended Cab Pickup | 4 Door | 5.3L | V8 | GAS | N/A | Direct Fit |
| 2004 | Chevrolet | Suburban 1500 | LT | GAS | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2004 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2004 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2004 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2004 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2003 | Cadillac | Escalade | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2003 | Chevrolet | Avalanche 1500 | N/A | Direct Fit | ||||||
| 2003 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2003 | Chevrolet | Suburban 1500 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||||
| 2003 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2003 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2003 | GMC | Yukon | SLT | 5.3L | V8 | GAS | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||
| 2003 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2002 | Cadillac | Escalade | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2002 | Chevrolet | Avalanche 1500 | Base | GAS | N/A | Direct Fit | ||||
| 2002 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Direct Fit | ||||
| 2002 | Chevrolet | Suburban 1500 | LT | 5.3L | V8 | GAS | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||
| 2002 | Chevrolet | Tahoe | LT | 5.3L | V8 | GAS | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||
| 2002 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2002 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2002 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2001 | Chevrolet | Silverado 1500 | Base | 4 Door | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||
| 2001 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2001 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2001 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2001 | GMC | Yukon XL 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2000 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2000 | Chevrolet | Silverado 2500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2000 | Chevrolet | Suburban 1500 | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2000 | Chevrolet | Tahoe | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2000 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2000 | GMC | Sierra 2500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 2000 | GMC | Yukon | 5.3L | V8 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||
| 2000 | GMC | Yukon XL 1500 | N/A | Federal, 47-State Only, Not legal for sale in CA, NY or ME | ||||||
| 1999 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 1999 | Chevrolet | Silverado 2500 | Base | Standard Cab Pickup | 2 Door | 5.3L | V8 | N/A | Direct Fit | |
| 1999 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Direct Fit | ||||
| 1999 | GMC | Sierra 2500 | Standard Cab Pickup | 5.3L | V8 | N/A | Direct Fit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.