2003 Cadillac CTS Emission Control Parts
- ACDelco®Genuine GM Parts™ Oxygen SensorCadillac CTS 2003, Genuine GM Parts™ Oxygen Sensor by ACDelco®. If your O2 sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s GM OE Oxygen Sensor help.ACDelco GM OE Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsDetects oxygen content in the exhaust gases$33.26 - $62.70
- Denso®Oxygen SensorCadillac CTS 2003, Oxygen Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$71.95
- Bosch®Premium Narrow-band Oxygen SensorCadillac CTS 2003, Premium Narrow-band Oxygen Sensor by Bosch®. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor from Bosch that...OE Identical ConnectorCompact Design$57.60 - $71.44
- Walker Products®Oxygen SensorCadillac CTS 2003, Oxygen Sensor by Walker Products®. 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 needs and...High quality at an affordable priceExpertly made from premium materials$44.25
- Walker Products®Premium Oxygen SensorCadillac CTS 2003, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...Improved Engine Response & PerformanceLower Emissions$66.61
- Spectra Premium®Oxygen SensorCadillac CTS 2003, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$36.76
- NTK®Oxygen SensorCadillac CTS 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$66.39
- Bosch®Narrow-band Oxygen SensorCadillac CTS 2003, Narrow-band Oxygen Sensor by Bosch®. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are...OE-EquivalentOE Style connectors and wire lengths$50.66
- Delphi®Oxygen SensorCadillac CTS 2003, Oxygen Sensor by Delphi®. As one of the leading suppliers of oxygen sensor technology since 1978, Delphi planar technology is the result of their OE and aftermarket engineers partnering together to develop the most...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$69.75
- ACDelco®GM Original Equipment™ Vapor Canister Purge ValveCadillac CTS 2003, GM Original Equipment™ Vapor Canister Purge Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$102.48
- Dorman®OE Solutions™ Vapor Canister Vent ValveCadillac CTS 2003, OE Solutions™ Vapor Canister Vent Valve by Dorman®. A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve is engineered of quality materials for durability to ensure...Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service life$17.90
- Standard®Vapor Canister Purge SolenoidCadillac CTS 2003, Vapor Canister Purge Solenoid by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...The canister purge solenoid is constructed high grade industrial plastic to withstand low and high heat engine operating temperaturesEach connector and terminal is constructed with OE quality materials to ensure an exact fit connection, resuming peak conductivity to the engine wiring harness, and resulting in a precise engine performance$114.19
- Dorman®OE Solutions™ Vapor Canister Purge ValveCadillac CTS 2003, OE Solutions™ Vapor Canister Purge Valve by Dorman®. Engineered for a perfect fit and plug-and-play installation, this vapor canister purge valve is a direct replacement for the original equipment purge valve. It is...Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions systemQuality construction - manufactured from premium materials for a long service life$93.89
- WVE®Vapor Canister Vent SolenoidCadillac CTS 2003, Vapor Canister Vent Solenoid by WVE®. Location: Near Fuel Tank. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$19.70
- Standard®Vapor Canister Vent SolenoidCadillac CTS 2003, Vapor Canister Vent Solenoid by Standard®. Committed to being the best, Standard Motor Products manufactures and distributes a full line of engine management related products, including ignition and emission parts,...Superior resistance to enviromental influences due to proprietary one piece molding techniqueProducts are 100% tested in production$25.20
- ACDelco®GM Original Equipment™ Vapor Canister Vent ValveCadillac CTS 2003, GM Original Equipment™ Vapor Canister Vent Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$36.94
- Standard®Vapor Canister Vent Solenoid ConnectorCadillac CTS 2003, Vapor Canister Vent Solenoid Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Made with precision and quality in mindDesigned to meet your specific needs$33.11
- ACDelco®GM Original Equipment™ Oxygen Sensor ConnectorCadillac CTS 2003, GM Original Equipment™ Oxygen Sensor Connector by ACDelco®. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Oxygen...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$65.93
- Standard®Vapor Canister Purge Solenoid ConnectorCadillac CTS 2003, Vapor Canister Purge Solenoid Connector by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...Made with precision and quality in mindDesigned to meet your specific needs$36.65
- WVE®Vapor Canister Vent Solenoid ConnectorCadillac CTS 2003, Vapor Canister Vent Solenoid Connector by WVE®. WVE emissions products are made to meet or exceed vehicle manufacturer specifications to work in concert with the fuel system, underhood electronics and the engine to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$24.21
- Davico®Direct Fit Catalytic ConverterCadillac CTS 2003, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. Catalytic Converter Overall Length: 21". This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged...$319.13 - $971.76
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterCadillac CTS 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 Diameter: 2.25". Catalytic Outlet...$178.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterCadillac CTS Engine Family # 3GMXV03.2061 with LEV Standard / LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor...$718.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterCadillac CTS 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet...$194.00
- MagnaFlow®Direct Fit Catalytic ConverterCadillac CTS 2003, 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 the factory unit, with...$1,347.00 - $1,426.00
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterCadillac CTS Engine Family # 3GMXV03.2061 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...$540.46
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterCadillac CTS 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2". Catalytic...$533.00 - $539.00
- AP Exhaust®Universal Fit Catalytic ConverterCadillac CTS Engine Family # 3GMXV03.2061 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...$314.39 - $710.18
- CATCO®OBDII Universal Fit Round Body Enhanced Catalytic ConverterCadillac CTS without Towing Package and with California Emission / Federal Emission 2003, OBDII Enhanced Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube....$172.60
- Mahle®Catalytic Converter GasketCadillac CTS 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 needs and...High quality at an affordable priceExpertly made from premium materials$6.59 - $9.56
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