2003 Chevy Silverado 2500 Emission Control Parts
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Fel-Pro®EGR Valve O-RingChevy Silverado 2500 2003, EGR Valve O-Ring by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.47 - $4.49 - ACDelco®Genuine GM Parts™ PCV Valve GrommetChevy Silverado 2500 / Silverado 2500 HD 6.0L 2003, Genuine GM Parts™ PCV Valve Grommet by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.22
- Genuine®Crankcase Breather ConnectorChevy Silverado 2500 / Silverado 2500 HD 4WD 2003, Crankcase Breather Connector by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and...Made with precision and quality in mindDesigned to meet your specific needs$36.48
- WVE®Secondary Air Injection Relay ConnectorChevy Silverado 2500 / Silverado 2500 HD 6.0L 2003, Secondary Air Injection Relay Connector by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system,...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$24.46
- iD Select®ECO II Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD with Federal Emission 2003, ECO II Catalytic Converter and Pipe Assembly by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Outlet Diameter: 3". Swap out...$664.46 - $705.36
- Eastern Catalytic®ECO II Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD with Federal Emission 2003, ECO II Catalytic Converter and Pipe Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 2 O2 Sensor Ports. Catalytic Outlet Diameter: 3". If...$618.05 - $656.09
- AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this...$454.08 - $713.27
- AP Exhaust®Direct Fit Catalytic ConverterChevy Silverado 2500 HD 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a...$495.42 - $1,479.48
- Walker®Ultra™ Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD with Federal Emission 2003, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. With 1 Inlet. With O2 Sensor Port. Walker is an OE supplier to many major nameplate...$357.59 - $682.32
- iD Select®Standard Universal Fit Large Oval Body Catalytic ConverterChevy Silverado 2500 HD with Federal Emission 2003, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2 Sensor...$193.39
- Walker®Ultra™ Direct Fit Catalytic ConverterChevy Silverado 2500 HD 6.0L / 8.1L 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Position: Passenger Side. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an...$606.16 - $680.20
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterChevy Silverado 2500 HD 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust...$336.00 - $1,470.00
- MagnaFlow®Diesel Direct Fit Catalytic ConverterChevy Silverado 2500 HD 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. Catalytic Converter Overall Length: 45.75". If your car needs replacement, install one that will get you...$771.00
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterChevy Silverado 2500 HD 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. Catalytic Inlet Diameter: 3". Catalytic Outlet Diameter: 3". If your car needs replacement,...$517.00 - $1,176.00
- MagnaFlow®OBDII Direct Fit Catalytic ConverterChevy Silverado 2500 HD 6.0L 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter will directly replace...$1,036.00 - $1,537.00
- MagnaFlow®Diesel Universal Fit Round Body Catalytic ConverterChevy Silverado 2500 HD 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length:...$506.00
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterChevy Silverado 2500 HD 133.0" Wheelbase 6.0L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$178.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterChevy Silverado 2500 with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic...$390.00 - $523.00
- MagnaFlow®OEM Grade Universal Fit Catalytic ConverterChevy Silverado 2500 HD 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 3". Catalytic Outlet Diameter: 3". If your car needs...$194.00 - $231.00
- CATCO®Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD 2003, Catalytic Converter and Pipe Assembly by CATCO®. Converter Configuration: Direct Fit. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter...$514.56 - $742.88
- Eastern Catalytic®ECO II Direct Fit Catalytic ConverterChevy Silverado 2500 HD 143.5" Wheelbase 6.0L / 8.1L with Federal Emission 2003, ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Passenger Side. Location: Undercar. With 1 O2 Sensor Port....$494.43
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyChevy Silverado 2500 HD with Federal Emission 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or...$435.48 - $810.42
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterChevy Silverado 2500 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 12"....$323.50 - $944.12
- AP Exhaust®Universal Fit Catalytic ConverterChevy Silverado 2500 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a...$206.52 - $736.59
- Mahle®Catalytic Converter GasketChevy Silverado 2500 2003, Catalytic Converter Gasket by Mahle®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$7.22
- CATCO®Universal Fit Catalytic ConverterChevy Silverado 2500 2003, Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced...$180.71 - $434.53
- Walker®Ultra™ Universal Fit Small Oval Body Catalytic ConverterChevy Silverado 2500 HD 133.0" Wheelbase / 143.5" Wheelbase / 153.0" Wheelbase 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Position: Passenger Side. Catalytic Converter Body Shape: Small Oval....$141.29
- CATCO®Direct Fit Catalytic ConverterChevy Silverado 2500 HD 6.0L / 8.1L with Federal Emission 2003, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Position: Passenger Side. With 1 O2 Sensor Port. Designed and manufactured with innovative fabrication...$622.68 - $713.53
- Eastern Catalytic®Standard Universal Fit Large Oval Body Catalytic ConverterChevy Silverado 2500 HD with Federal Emission 2003, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2...$251.94
- JBA®Catalytic Converter GasketChevy Silverado 2500 2003, Catalytic Converter Gasket by JBA®. JBA is proud to offer accessories to aid in the fitment of your JBA exhaust product. This product is made of high-quality materials to serve you for years to come. Designed...JBA's premium header flange gaskets are made extra thick from a specially made formulated gasket materialTheir gaskets are rated up to 1100 F$9.45
Shop By Service Type
- EGR Valve Replacement
- EGR Valve Control Solenoid Replacement
- Oxygen Sensor Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Evaporation Vent Solenoid Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Fuel Evaporative Canister Replacement
