1981 Buick Century Emission Control Parts
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WVE®EGR ValveBuick Century 1981, 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$54.11 - $60.75 - Standard®PCV ValveBuick Century 1981, 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$4.99 - $16.88
- Denso®Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, Oxygen 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...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$32.59
- Walker Products®Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, 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...High quality at an affordable priceExpertly made from premium materials$19.71
- Bosch®Premium Narrow-band Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, 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...OE Identical ConnectorCompact Design$32.94
- NTK®Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, Oxygen Sensor by NTK®. Position: Upstream. 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$37.60
- Walker Products®Premium Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, 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...Improved Engine Response & PerformanceLower Emissions$37.71
- WVE®PCV ValveBuick Century 1981, 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$4.82 - $5.89
- Denso®Universal Fit Oxygen SensorBuick Century 3.8L / 4.3L / 4.4L / 5.0L 1981, Universal Fit Oxygen Sensor by Denso®. Position: Upstream. Denso's light duty oxygen sensor started to appear on vehicles with the development of fuel injection systems. The basic job of the...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$35.84
- Luber-finer®PCV Breather CapBuick Century 1981, PCV Breather Cap by Luber-finer®. 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$2.08 - $4.43
- Walker Products®EGR ValveBuick Century 3.8L 1981, EGR Valve by Walker Products®. The Exhaust Gas Recirculation Valve, also referred to as EGR, meters the exhaust gas that is being recirculated into the intake manifold. This exhaust gas recirculation process...Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbonClogged catalytic converter$65.98
- WVE®Engine Crankcase Breather ElementBuick Century 1981, Engine Crankcase Breather Element 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$6.85 - $11.15
- WIX®PCV Breather ElementBuick Century 1981, PCV Breather Element by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the breather tube. These filters also trap...Low air flow restrictionIncludes a pleated paper filter$5.98 - $8.48
- Dorman®OE Solutions™ Vapor Canister FilterBuick Century 3.8L / 4.3L / 5.7L 1981, OE Solutions™ Vapor Canister Filter by Dorman®. Why replace an exhaust pipe because of a corroded, stripped or damaged oxygen sensor bung? Save the pipe and replace the bung with this weld-on...Repair-friendly solution - this oxygen sensor bung allows replacement of a damaged fitting without replacing the entire exhaust componentUniversal fitment - designed to accommodate standard oxygen sensor threads$2.11
- ACDelco®Gold™ Secondary Air Injection Pump Check ValveBuick Century 1981, Gold™ Secondary Air Injection Pump Check Valve by ACDelco®. Hose Nipple One End. 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$26.27Save: $3.94 (15%)$22.33
- Standard®Secondary Air Injection PipeBuick Century 1981, Secondary Air Injection Pipe 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$29.90 - $61.07
- Standard®Engine Crankcase Breather ElementBuick Century 1981, Engine Crankcase Breather Element by Standard®. 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....Made with precision and quality in mindDesigned to meet your specific needs$4.18 - $19.45
- Standard®Vapor Canister FilterBuick Century 1981, 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
- Standard®Secondary Air Injection Pump Check ValveBuick Century 1981, Secondary Air Injection Pump Check 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...Made with precision and quality in mindDesigned to meet your specific needs$12.97 - $24.72
- Standard®Tru-Tech™ Secondary Air Injection Pump Check ValveBuick Century 1981, Tru-Tech™ Secondary Air Injection Pump Check Valve by Standard®. Standard T-Series is a competitively priced line containing some of the most popular part numbers to help you meet your market needs. The Standard...Made with precision and quality in mindDesigned to meet your specific needs$19.81
- Standard®EGR Valve GasketBuick Century 4.3L 1981, 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 reputation for...Made with precision and quality in mindDesigned to meet your specific needs$1.33
- Dorman®Help™ PCV Valve GrommetBuick Century 1981, 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 - $3.08
- Dorman®Help™ PCV Valve ElbowBuick Century 1981, Help™ PCV Valve Elbow by Dorman®. This PCV valve elbow is designed to match the fit and function of the original elbow on specified vehicles, and is engineered for durability and reliable performance.Direct replacement - this PCV valve elbow is designed to match the fit and function of the original elbow on specified vehiclesRestores functionality - reliable replacement for an original elbow that is leaking or has failed due to heat and fatigue$4.55 - $4.80
- Standard®PCV Valve GrommetBuick Century 1981, 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$2.84 - $6.20
- WVE®PCV Valve GrommetBuick Century 1981, 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 - $5.98
- WVE®EGR Valve GasketBuick Century 1981, 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 of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$1.84 - $2.44
- Standard®Intermotor™ EGR Valve GasketBuick Century 1981, 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 reputation for...Made with precision and quality in mindDesigned to meet your specific needs$2.02
- SKP®EGR Valve GasketBuick Century 3.8L / 5.0L 1981, 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...Made with precision and quality in mindDesigned to meet your specific needs$0.89
- Mahle®EGR Valve GasketBuick Century 1981, 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 your...Made with precision and quality in mindDesigned to meet your specific needs$1.58 - $1.95
- Apex Auto®EGR Valve GasketBuick Century 3.8L 1981, 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
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