2005 Cadillac STS Emission Control Parts
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TRQ®Oxygen SensorCadillac STS 2005, Oxygen Sensor by TRQ®. If your oxygen sensor fails, replace it with this top-grade part developed to easily fix the problem. Built to fit and function exactly as the part it is replacing, the product provides...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$40.95 - $112.95Save: up to 6%$38.90 - $107.30 - Standard®PCV ValveCadillac STS 3.6L 2005, PCV Valve 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 integrity to all...Made with precision and quality in mindDesigned to meet your specific needs$15.25 - $20.77
- TRQ®Upstream O2 Oxygen Sensor SetCadillac STS With Oval Plug 2005, Upstream O2 Oxygen Sensor Set by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$102.95Save: $5.15 (5%)$97.80
- ACDelco®Genuine GM Parts™ Vapor CanisterCadillac STS 2005, Genuine GM Parts™ Vapor Canister by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$234.48Save: $35.17 (15%)$199.31
- ACDelco®Genuine GM Parts™ PCV Valve Hose Fitting SealCadillac STS RWD 3.6L 2005, Genuine GM Parts™ PCV Valve Hose Fitting Seal by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.66Save: $1.00 (15%)$5.66
- SKP®PCV ValveCadillac STS 3.6L 2005, PCV Valve by SKP®. Position: Driver Side. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....High quality at an affordable priceExpertly made from premium materials$8.16
- ACDelco®Genuine GM Parts™ Oxygen SensorCadillac STS 2005, 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$89.47 - $137.61Save: 15%$76.05 - $116.96
- ACDelco®GM Original Equipment™ Vapor Canister Purge ValveCadillac STS 4.6L 2005, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$46.20Save: $6.93 (15%)$39.27
- Dorman®OE Solutions™ Vapor Canister Vent ValveCadillac STS 2005, 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$16.81 - $17.90
- Standard®Vapor Canister Purge SolenoidCadillac STS 3.6L 2005, 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...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$49.02
- WVE®Vapor Canister Vent SolenoidCadillac STS 2005, Vapor Canister Vent Solenoid 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 minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$20.52
- Dorman®OE Solutions™ Vapor Canister Purge ValveCadillac STS 2005, 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$22.45 - $23.24
- Denso®Oxygen SensorCadillac STS 2005, Oxygen Sensor by Denso®. Position: Downstream. 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....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$62.03
- Walker Products®Oxygen SensorCadillac STS 2005, 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$41.08 - $141.06
- Bosch®Premium Oxygen SensorCadillac STS 2005, Premium 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 is equally...OE Identical ConnectorCompact Design$54.09 - $115.62
- Denso®Air Fuel Ratio SensorCadillac STS 2005, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$105.98 - $130.49
- Walker Products®Premium Oxygen SensorCadillac STS 2005, 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$48.80
- NTK®Oxygen SensorCadillac STS 2005, 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$64.73
- Spectra Premium®Oxygen SensorCadillac STS 2005, 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$30.65 - $129.22
- ACDelco®Genuine GM Parts™ Vapor Canister Vent SolenoidCadillac STS RWD 3.6L 2005, Genuine GM Parts™ Vapor Canister Vent Solenoid by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$64.70Save: $8.27 (13%)$56.43
- TRQ®Vapor Canister Purge SolenoidCadillac STS 2005, Vapor Canister Purge Solenoid by TRQ®. Designed to perform just as well as the OEM part, this vapor canister purge solenoid is what you need to restore the emission control system of your vehicle. The product is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$26.95 - $36.95Save: up to 6%$25.33 - $35.47
- NTK®Air Fuel Ratio SensorCadillac STS 2005, Air Fuel Ratio Sensor by NTK®. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR sensors provide the ECU with an...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$99.87 - $101.09
- Bosch®Narrow-band Oxygen SensorCadillac STS 2005, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. 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...OE-EquivalentOE Style connectors and wire lengths$50.81
- Standard®Vapor Canister Vent SolenoidCadillac STS 2005, 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$23.27
- Bosch®Premium Wideband Oxygen SensorCadillac STS 2005, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors use a...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$103.44
- WVE®Vapor Canister Purge SolenoidCadillac STS 4.6L 2005, Vapor Canister Purge Solenoid 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$24.30
- Walker Products®Wideband Premium Oxygen SensorCadillac STS 2005, Wideband 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....High quality at an affordable priceExpertly made from premium materials$83.19 - $126.07
- ACDelco®GM Original Equipment™ Vapor Canister Vent ValveCadillac STS 2005, 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$39.46Save: $6.00 (15%)$33.46
- Bosch®Purge ValveCadillac STS 3.6L 2005, Purge Valve by Bosch®. Location: In Engine Bay. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Made with precision and quality in mindDesigned to meet your specific needs$48.21
- SKP®Vapor Canister Purge ValveCadillac STS 4.6L 2005, Vapor Canister Purge Valve by SKP®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will...Made with precision and quality in mindDesigned to meet your specific needs$17.98
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