1991 Buick Century Emission Control Parts
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WVE®EGR ValveBuick Century 1991, EGR Valve 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$73.90 - $144.60 - Standard®PCV ValveBuick Century 1991, PCV Valve by Standard®. No Connector. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$3.84 - $7.12
- ACDelco®Gold™ PCV ValveBuick Century 2.5L 1991, Gold™ PCV Valve 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 lifestyle, it is...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.31
- Walker Products®Oxygen SensorBuick Century 1991, Oxygen Sensor by Walker Products®. Position: Upstream. 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...High quality at an affordable priceExpertly made from premium materials$21.30
- Bosch®Premium Narrow-band Oxygen SensorBuick Century 2.5L / 3.3L 1991, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with...OE Identical ConnectorCompact Design$25.89
- NTK®Oxygen SensorBuick Century 2.5L / 3.3L 1991, Oxygen Sensor by NTK®. Position: Upstream. Location: B1S1. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$18.04
- Walker Products®Premium Oxygen SensorBuick Century 1991, Premium Oxygen Sensor by Walker Products®. Position: Upstream. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test...Improved Engine Response & PerformanceLower Emissions$21.30
- Bosch®Narrow-band Oxygen SensorBuick Century 2.5L / 3.3L 1991, Narrow-band Oxygen Sensor by Bosch®. Position: Upstream. 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...OE-EquivalentOE Style connectors and wire lengths$21.55
- WVE®PCV ValveBuick Century 1991, PCV Valve 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$4.18 - $17.41
- Standard®EGR ValveBuick Century 2.5L 1991, EGR 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...Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures$62.26
- Delphi®Oxygen SensorBuick Century 1991, Oxygen Sensor by Delphi®. Position: Upstream. 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$18.92
- Standard®Vapor Canister FilterBuick Century 1991, Vapor Canister Filter 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...Made with precision and quality in mindDesigned to meet your specific needs$2.97
- Dorman®Help™ PCV Valve GrommetBuick Century 1991, Help™ PCV Valve Grommet by Dorman®. This PCV valve grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.Direct replacement - this PCV valve grommet is designed to match the fit and function of the original grommet on specified vehiclesRestores functionality - this grommet is made to fit and fully restore part functionality after the original grommet fails$2.53 - $3.61
- Standard®PCV Valve GrommetBuick Century 1991, PCV Valve Grommet 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...Made with precision and quality in mindDesigned to meet your specific needs$4.83 - $6.20
- Dorman®Vapor Canister Purge Solenoid ConnectorBuick Century Custom / Limited / Special 1991, Vapor Canister Purge Solenoid Connector by Dorman®. Dorman's Variable Power Steering Solenoid Connectors are engineered with extra-long leads and multiple butt connectors to be used for a...No special tools required for installationEasy to install$16.28
- WVE®PCV Valve GrommetBuick Century 1991, PCV Valve Grommet 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$2.08 - $8.31
- Standard®PCV Valve ElbowBuick Century 1991, PCV Valve Elbow by Standard®. Hose Tee. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Made with precision and quality in mindDesigned to meet your specific needs$3.79
- SKP®Secondary Air Injection Pipe ConnectorBuick Century 1991, Secondary Air Injection Pipe Connector 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....Made with precision and quality in mindDesigned to meet your specific needs$9.07
- WVE®EGR Valve GasketBuick Century 2.5L 1991, EGR Valve Gasket 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 emissions...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$1.84
- Standard®Intermotor™ EGR Valve GasketBuick Century 2.5L 1991, Intermotor™ EGR Valve Gasket 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$2.02
- SKP®EGR Valve GasketBuick Century 2.5L 1991, EGR Valve Gasket 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 meet your...Made with precision and quality in mindDesigned to meet your specific needs$0.89
- Mahle®EGR Valve GasketBuick Century 2.5L 1991, EGR Valve Gasket by Mahle®. 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 meet...Made with precision and quality in mindDesigned to meet your specific needs$1.58
- Apex Auto®EGR Valve GasketBuick Century 2.5L 1991, EGR Valve Gasket by Apex Auto®. 1 or 2 Required. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and...Quick accurate delivery with excellent fill-rateExcellent inventory availability$1.16
- Fel-Pro®EGR Valve GasketBuick Century 2.5L 1991, EGR Valve Gasket by Fel-Pro®. Position: Passenger Side. 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...Direct OEM replacement for a proper fitEnsures reliable sealing performance$1.39
- ACDelco®Genuine GM Parts™ Oxygen Sensor GasketBuick Century 2.5L / 3.3L 1991, Genuine GM Parts™ Oxygen Sensor Gasket 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.50
- WVE®Oxygen Sensor ConnectorBuick Century 1991, Oxygen Sensor 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 minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$10.78 - $20.61
- iD Select®Standard Universal Fit Oval Body Catalytic ConverterBuick Century 3.3L 1991, Standard Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter:...$72.47
- MagnaFlow®Pre-OBDII Universal Fit Round Body Catalytic ConverterBuick Century with PRE-OBDII Standard 1991, Pre-OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter...$560.00
- MagnaFlow®Standard Universal Fit Oval Body Catalytic ConverterBuick Century 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 13". If your car...$100.00
- MagnaFlow®Standard Direct Fit Catalytic ConverterBuick Century 3.3L 1991, Standard Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter: 2"....$273.00
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