2012 Subaru WRX Emission Control Parts
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TRQ®Oxygen SensorSubaru WRX 2012, Oxygen Sensor by TRQ®. Position: Downstream. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$39.72$40.95Save $1.23 (3%) - Standard®T Series PCV ValveSubaru WRX STI Limited 2012, T Series 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...Made with precision and quality in mindDesigned to meet your specific needs$12.19
- Genuine®Vapor CanisterSubaru WRX / WRX STI 2.5L 2012, Vapor Canister by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$420.39
- Genuine®PCV ValveSubaru WRX / WRX STI 2.5L 2012, PCV Valve by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from premium materials...Made with precision and quality in mindDesigned to meet your specific needs$56.61
- Denso®Oxygen SensorSubaru WRX 2012, 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$62.36 - $89.74
- TRQ®O2 Oxygen SensorSubaru WRX STI Base / Limited 2012, O2 Oxygen Sensor 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$39.72 - $60.09$40.95 - $61.95Save 3%
- Walker Products®Oxygen SensorSubaru WRX 2012, 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$50.98 - $152.61
- Dorman®New Help™ PCV ValveSubaru WRX STI EJ257 Engine 2012, New Help™ PCV Valve by Dorman®. Standard Replacement. Keep your vehicle’s emission control system in top-notch condition with superior Dorman replacement emission control parts. Manufactured from...Application specific - components designed to replace original components on certain vehiclesDurable materials - made to resist fluctuating under-hood temperatures to ensure longevity$12.53
- Bosch®Premium Oxygen SensorSubaru WRX 2012, 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$64.53 - $165.02
- NTK®Oxygen SensorSubaru WRX 2012, Oxygen Sensor by NTK®. Position: Downstream. Location: B1S2. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$67.26 - $75.96
- Walker Products®Premium Oxygen SensorSubaru WRX 2012, Premium Oxygen Sensor by Walker Products®. Position: Downstream. Location: B1S2 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment...Improved Engine Response & PerformanceLower Emissions$60.09 - $71.53
- Spectra Premium®Oxygen SensorSubaru WRX 2012, 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$57.53 - $98.66
- Bosch®Narrow-band Oxygen SensorSubaru WRX STI EJ257 Engine 2012, 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...OE-EquivalentOE Style connectors and wire lengths$42.09
- Standard®Intermotor™ PCV ValveSubaru WRX Base / Limited 2012, Intermotor™ 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...Made with precision and quality in mindDesigned to meet your specific needs$15.84 - $20.63
- WVE®Vapor CanisterSubaru WRX / WRX STI 2.5L 2012, Vapor Canister 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$519.17
- Bosch®Universal Fit Narrow-band Oxygen SensorSubaru WRX 2012, Universal Fit Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. Universal Oxygen Sensors with OE SmartLink™ are quick and easy to install. Each sensor has enough length of sensor wire to allow maximum...Patented SmartLink™ connector systemNo special tools required for installation$47.85
- Delphi®Oxygen SensorSubaru WRX STI EJ257 Engine 2012, 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...Resists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long lifePatented sensors construction and design$73.45 - $242.96
- Standard®New Intermotor™ Secondary Air Injection PumpSubaru WRX / WRX STI 2.5L 2012, New Intermotor™ Secondary Air Injection Pump by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...Made with precision and quality in mindDesigned to meet your specific needs$488.51
- Ackoja®Secondary Air PumpSubaru WRX / WRX STI 2.5L 2012, Secondary Air Pump by Ackoja®. ACKOJA products stand for high-quality materials and certified manufacturing processes. They also undergo strict quality controls to meet the requirements of the OEM...Developed to comply with rigorous quality standardsExceptional quality at a budget-friendly price$830.29
- Denso®Air Fuel Ratio SensorSubaru WRX 2012, 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$144.96 - $165.61
- Dorman®OE Solutions™ Leak Detection PumpSubaru WRX / WRX STI 2.5L 2012, OE Solutions™ Leak Detection Pump by Dorman®. This evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applications, and is...Direct replacement - this evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applicationsRestores functionality - reliable replacement for an original part that has clogged or failed due to emissions control system damage$242.41
- Standard®Intermotor™ Vapor Canister Purge SolenoidSubaru WRX STI Base 2012, Intermotor™ Vapor Canister Purge Solenoid by Standard®. Location: By Intake Manifold. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Made with precision and quality in mindDesigned to meet your specific needs$118.67
- Genuine®EGR Valve Vacuum ModulatorSubaru WRX STI EJ257 Engine 2012, EGR Valve Vacuum Modulator by Genuine®. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest technologies and manufactured from...Made with precision and quality in mindDesigned to meet your specific needs$173.08
- WVE®Vapor Canister Purge SolenoidSubaru WRX 2012, 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 minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$43.10 - $95.99
- Walker Products®Premium Air Fuel Ratio SensorSubaru WRX 2012, Premium Air Fuel Ratio Sensor by Walker Products®. Position: Upstream. Location: B1S1 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original...Designed to meet or exceed OE specifications in form, fit and functionGlobal coverage for import and/or domestic applications$136.99 - $140.53
- Dorman®OE Solutions™ Secondary Air Injection Check ValveSubaru WRX 2012, OE Solutions™ Secondary Air Injection Check Valve by Dorman®. This secondary air injection check valve is designed to match the fit and function of the original valve on specified vehicles, and is engineered for...Direct replacement - this secondary air injection check valve is designed to match the fit and function of the original valve on specified vehiclesRestores functionality - this valve is made to fit and fully restore part functionality after the original valve fails$203.44 - $204.06
- Standard®Intermotor™ Secondary Air Injection Bypass ValveSubaru WRX STI Base / Limited 2012, Intermotor™ Secondary Air Injection Bypass Valve by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...Made with precision and quality in mindDesigned to meet your specific needs$193.18
- Genuine®PCV Valve HoseSubaru WRX 2012, PCV Valve Hose by Genuine®. Position: Driver Side. Location: Cylinder Head to PCV Pipe. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the latest...Made with precision and quality in mindDesigned to meet your specific needs$21.47
- Dorman®OE Solutions™ Oil Separator CoverSubaru WRX / WRX STI 2.5L 2012, OE Solutions™ Oil Separator Cover by Dorman®. This engine oil separator cover is designed to match the fit and function of the original cover on specified vehicles, and is engineered for durability and...Direct replacement - this engine oil separator cover is designed to match the fit and function of the original cover on specified vehiclesRestores functionality - this cover is made to fit and fully restore part functionality after the original cover fails$21.70
- Mahle®EGR Valve GasketSubaru WRX / WRX STI 2.5L 2012, 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...Made with precision and quality in mindDesigned to meet your specific needs$2.67
Shop By Service Type
- Oxygen Sensor Replacement
- Air Pump Check and Diverter Valve Replacement
- Canister Purge Solenoid Replacement
- Air Pump Check Valve Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- Fuel Evaporative Canister Replacement
- EGR Vacuum Modulator Replacement
- Secondary Air Injection System Air Bypass Valve Replacement
2012 Subaru WRX Models
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