2003 Subaru Legacy Emission Control Parts
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TRQ®O2 Oxygen SensorSubaru Legacy 2003, 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 isostatically-pressed for improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$35.95 - $56.95Save: up to 5%$34.15 - $55.24 - WVE®EGR ValveSubaru Legacy 2.5L 2003, 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$205.77
- Standard®T Series PCV ValveSubaru Legacy 2.5L 2003, 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
- Beck Arnley®PCV ValveSubaru Legacy 2.5L 2003, PCV Valve by Beck Arnley®. Make sure your vehicle’s emission control system performs at its optimum level with top-of-the-line Beck Arnley replacement emission control parts. Designed to match OE (original...Designed to ensure reliable operation of your emission control systemDirect OE (original equipment) replacement$3.47
- ACDelco®Gold™ PCV ValveSubaru Legacy 2.5L 2003, 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$6.97Save: $1.03 (15%)$5.94
- Standard®Intermotor™ PCV ValveSubaru Legacy 2.5L 2003, 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 reputation for...Made with precision and quality in mindDesigned to meet your specific needs$15.84
- WVE®PCV ValveSubaru Legacy 2.5L 2003, 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$13.24
- Standard®Intermotor™ Vapor CanisterSubaru Legacy 2003, Intermotor™ Vapor Canister 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$78.04
- Dorman®New Help™ PCV ValveSubaru Legacy 2.5L 2003, 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 top-grade...Application specific - components designed to replace original components on certain vehiclesDurable materials - made to resist fluctuating under-hood temperatures to ensure longevity$12.88
- WVE®Vapor CanisterSubaru Legacy 2003, 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 emissions of...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$137.60
- Genuine®EGR ValveSubaru Legacy 2003, EGR 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 using...Made with precision and quality in mindDesigned to meet your specific needs$319.10
- Standard®Intermotor™ EGR ValveSubaru Legacy 2003, Intermotor™ 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...Made with precision and quality in mindDesigned to meet your specific needs$175.56
- Denso®Oxygen SensorSubaru Legacy 2.5L 2003, 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...High quality plastic and/or steel constructionDirect replacement for a proper fit every time$72.28
- Denso®Air Fuel Ratio SensorSubaru Legacy 2.5L 2003, 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...Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$167.82
- Walker Products®Oxygen SensorSubaru Legacy EJ253 Engine 2003, 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...High quality at an affordable priceExpertly made from premium materials$58.76 - $212.11
- Dorman®OE Solutions™ Vapor Canister Vent ValveSubaru Legacy 2.5L 2003, 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...Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service life$49.36
- Dorman®OE Solutions™ Vapor Canister Purge ValveSubaru Legacy 2.5L 2003, 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....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$90.81
- Bosch®Premium Narrow-band Oxygen SensorSubaru Legacy 2.5L 2003, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an...OE Identical ConnectorCompact Design$79.12
- Walker Products®Premium Oxygen SensorSubaru Legacy EJ253 Engine 2003, 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...Improved Engine Response & PerformanceLower Emissions$65.86
- NTK®Oxygen SensorSubaru Legacy 2.5L 2003, 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...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$77.36
- Genuine®Vapor Canister FilterSubaru Legacy 2003, Vapor Canister Filter 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$65.58
- NTK®Air Fuel Ratio SensorSubaru Legacy 2.5L 2003, Air Fuel Ratio Sensor by NTK®. Position: Upstream. Location: B1S1. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$237.30
- WVE®Vapor Canister Vent SolenoidSubaru Legacy EJ253 Engine 2003, 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$72.70
- Standard®Intermotor™ Vapor Canister Vent SolenoidSubaru Legacy 2003, Intermotor™ Vapor Canister Vent 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...Made with precision and quality in mindDesigned to meet your specific needs$53.27
- Standard®Intermotor™ Vapor Canister Purge SolenoidSubaru Legacy 2003, Intermotor™ 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...Made with precision and quality in mindDesigned to meet your specific needs$83.48 - $98.04
- Denso®Universal Fit Oxygen SensorSubaru Legacy 2.5L 2003, Universal Fit Oxygen Sensor by Denso®. Position: Downstream. 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...Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants$42.11
- Walker Products®Premium Air Fuel Ratio SensorSubaru Legacy EJ253 Engine 2003, 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...Designed to meet or exceed OE specifications in form, fit and functionGlobal coverage for import and/or domestic applications$189.99
- Bosch®Premium Wideband Oxygen SensorSubaru Legacy 2.5L 2003, 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...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$245.64
- Bosch®Universal Fit Narrow-band Oxygen SensorSubaru Legacy 2.5L 2003, 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
- WVE®Vapor Canister Purge SolenoidSubaru Legacy 2003, 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$117.87
Shop By Service Type
- EGR Valve Replacement
- Vent Oil Separator Replacement
- Oxygen Sensor Replacement
- Air Pump Check and Diverter Valve Replacement
- Evaporation Vent Solenoid Replacement
- Air Pump Check Valve Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Fuel Evaporative Canister Replacement
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