1981 Chevy Impala Emission Control Parts
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WVE®EGR ValveChevy Impala 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 - $85.71 - Standard®PCV ValveChevy Impala 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
- ACDelco®Genuine GM Parts™ EGR Valve KitChevy Impala Base / Estate 5.0L / 5.7L Gas 1981, Genuine GM Parts™ EGR Valve Kit by ACDelco®. Positive Backpressure. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$91.75Save: $13.76 (15%)$77.99
- ACDelco®Gold™ EGR ValveChevy Impala 1981, Gold™ EGR 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$67.86 - $84.30Save: 15%$57.68 - $71.66
- ACDelco®Gold™ PCV ValveChevy Impala K Engine VIN Character 1981, 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.66Save: $1.00 (15%)$5.66
- Standard®EGR ValveChevy Impala 1981, 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 all...Polyester-reinforced silicone diaphragm resists thermal aging in temperatures up to 200°CInjection-molded high-temperature polymer prevents temperature-releated failures$44.60 - $111.09
- WVE®PCV ValveChevy Impala 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$4.40 - $5.89
- Luber-finer®PCV Breather CapChevy Impala 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 - $2.67
- Walker Products®EGR ValveChevy Impala A Engine VIN Character 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...Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbonClogged catalytic converter$65.98
- ACDelco®Genuine GM Parts™ Oxygen SensorChevy Impala Gas 1981, Genuine GM Parts™ Oxygen Sensor by ACDelco®. Position: Upstream. 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...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$26.52 - $83.67Save: 15%$22.57 - $71.12
- Bosch®Premium Narrow-band Oxygen SensorChevy Impala Gas 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 vehicle with an Oxygen...OE Identical ConnectorCompact Design$25.89 - $32.94
- Walker Products®Premium Oxygen SensorChevy Impala Base / Estate 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
- Denso®Oxygen SensorChevy Impala 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 products designed by Denso....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$32.59
- Walker Products®Oxygen SensorChevy Impala Base / Estate 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 customers in...High quality at an affordable priceExpertly made from premium materials$19.71
- ACDelco®Gold™ Secondary Air Injection Pump Check ValveChevy Impala 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
- NTK®Oxygen SensorChevy Impala Gas 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 sensor element then...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$18.04 - $37.60
- Bosch®Narrow-band Oxygen SensorChevy Impala Gas 1981, 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 to which...OE-EquivalentOE Style connectors and wire lengths$21.55
- ACDelco®Gold™ PCV Breather ElementChevy Impala 1981, Gold™ PCV Breather Element 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.68 - $5.78Save: up to 16%$3.91 - $4.92
- Dorman®OE Solutions™ Vapor Canister FilterChevy Impala 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 replacement. Standard...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
- WVE®Engine Crankcase Breather ElementChevy Impala 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 ElementChevy Impala 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 oil...Low air flow restrictionIncludes a pleated paper filter$6.23 - $8.48
- Denso®Universal Fit Oxygen SensorChevy Impala 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 sensor is to monitor the...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$35.84
- Standard®Vapor Canister FilterChevy Impala 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 integrity...Made with precision and quality in mindDesigned to meet your specific needs$2.50
- ACDelco®GM Original Equipment™ PCV Breather ElementChevy Impala 5.0L / 5.7L Gas 1981, GM Original Equipment™ PCV Breather Element by ACDelco®. Filter Only. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.99Save: $0.90 (15%)$5.09
- Standard®Engine Crankcase Breather ElementChevy Impala 5.0L / 5.7L 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...Made with precision and quality in mindDesigned to meet your specific needs$4.18
- Racing Power Company®Tri-Step Oil Filler TubeChevy Impala 5.0L / 5.7L 1981, Tri-Step Oil Filler Tube by Racing Power Company®. 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...One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability$7.99
- ACDelco®Gold™ Secondary Air Injection PipeChevy Impala K Engine VIN Character 1981, Gold™ Secondary Air Injection Pipe by ACDelco®. Position: Driver Side. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$42.19Save: $6.33 (15%)$35.86
- Standard®Secondary Air Injection PipeChevy Impala 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$36.59 - $72.63
- Standard®Secondary Air Injection Pump Check ValveChevy Impala 1981, Secondary Air Injection Pump Check Valve by Standard®. Check Valve. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...Made with precision and quality in mindDesigned to meet your specific needs$24.72
- Standard®Tru-Tech™ Secondary Air Injection Pump Check ValveChevy Impala 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$15.35
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