2003 Chevy Impala Emission Control Parts
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TruParts®PCV ValveChevy Impala 2003, PCV Valve by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous industry...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$5.55 - iD Select®EGR Exhaust ValveChevy Impala 3.4L 2003, EGR Exhaust Valve by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function as your...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$88.31Save: $8.83 (10%)$79.48
- ReplacementNew EGR ValveChevy Impala 2003, New EGR Valve by Replacement. 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, this product by Replacement will last...Expertly crafted from premium materialsDesigned to match rigorous quality standardsCall for Pricing
- TruParts®Service Tech EGR ValveChevy Impala 2003, Service Tech EGR Valve by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$84.80 - $90.49
- DIY Solutions®Vapor Canister Vent Solenoid with Oval PlugChevy Impala 2003, Vapor Canister Vent Solenoid with Oval Plug by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$83.59
- TruParts®Vapor Canister Vent SolenoidChevy Impala 2003, Vapor Canister Vent Solenoid by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$22.40 - $67.72
- ACDelco®Gold™ Oxygen SensorChevy Impala 2003, Gold™ Oxygen Sensor by ACDelco®. Position: Downstream. 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$83.86Save: $12.57 (15%)$71.29
- ACDelco®Professional™ Oxygen SensorChevy Impala 3.8L 2003, Professional™ 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 Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditionsCustomers can receive better gas mileage with a properly working oxygen sensor$57.84Save: $8.68 (15%)$49.16
- Aceon®Oxygen SensorChevy Impala 2003, Oxygen Sensor by Aceon®. Position: Upstream. 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$21.78 - $22.83
- CRS®Oxygen SensorChevy Impala 2003, Oxygen Sensor by CRS®. 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. Manufactured from...Compliant with the most strict standards for qualityDesigned to comply with the highest quality standards$24.23 - $29.88
- Herko®Oxygen SensorChevy Impala 2003, Oxygen Sensor by Herko®. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help restore proper fuel system functionality needed to keep your...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$22.20 - $25.75
- TruParts®Oxygen SensorChevy Impala 2003, Oxygen Sensor by TruParts®. Position: Downstream. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$19.87
- ACDelco®Genuine GM Parts™ PCV Valve TubeChevy Impala 3.4L 2003, Genuine GM Parts™ PCV Valve Tube 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$9.51Save: $1.43 (15%)$8.08
- Standard®Engine Crankcase Breather HoseChevy Impala 3.4L 2003, Engine Crankcase Breather Hose 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...Made with precision and quality in mindDesigned to meet your specific needs$11.35
- ACDelco®Genuine GM Parts™ Engine Crankcase Breather ConnectorChevy Impala 3.4L 2003, Genuine GM Parts™ Engine Crankcase Breather Connector by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.28Save: $0.64 (15%)$3.64
- DIY Solutions®PCV Valve HoseChevy Impala 3.4L 2003, PCV Valve Hose by DIY Solutions®. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When it comes to...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$25.45
- WVE®Secondary Air Injection Relay ConnectorChevy Impala 2003, Secondary Air Injection Relay 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...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$31.40
- TruParts®EGR Valve GasketChevy Impala 3.8L 2003, EGR Valve Gasket by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$9.08
- MagnaFlow®OBDII Direct Fit Catalytic ConverterChevy Impala Engine Family # 3GMXV03.8044 with LEV1 Standard / ULEV Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the...$1,202.00 - $1,627.00
- BRExhaust®Direct Fit Catalytic Converter and Pipe AssemblyChevy Impala with Federal Emission 2003, Catalytic Converter and Pipe Assembly by BRExhaust®. Converter Configuration: Direct Fit. With O2 Sensor Port. If you’re in need of a replacement catalytic converter, you can’t do better than...$198.67 - $220.73
- Walker®EX Ultra™ Direct Fit Round Body Catalytic ConverterChevy Impala 3.8L 2003, EX Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall Length: 36.5". Walker is an...$1,477.77
- Walker®EX Ultra™ Direct Fit Round Body Catalytic Converter and Pipe AssemblyChevy Impala 3.4L 2003, EX Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall Length:...$754.30
- DIY Solutions®Direct Fit Catalytic Converter and Pipe AssemblyChevy Impala 3.8L 2003, Catalytic Converter and Pipe Assembly by DIY Solutions®. Converter Configuration: Direct Fit. Position: Front. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch...$252.91
- ACAT Global®High Performance Universal Fit Catalytic ConverterChevy Impala 2003, High Performance Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. With O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter Overall Length:...$167.50
- ACAT Global®Universal Fit Catalytic ConverterChevy Impala 2003, Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. With O2 Sensor Port. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter Overall Length: 15". This product...$253.95
- DEC®Standard Direct Fit Catalytic Converter and Pipe AssemblyChevy Impala 3.4L 2003, Standard Catalytic Converter and Pipe Assembly by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again....$519.32
- ReplacementCenter Direct Fit Catalytic ConverterChevy Impala 2003, Catalytic Converter by Replacement. Converter Configuration: Direct Fit. Position: Center. With Factory OE Ports. A vehicle's exhaust system is pivotal to both performance and eco-friendliness, silently managing engine...Call for Pricing
- Edelbrock®Victor Series PCV Valve Cover BreatherVictor Series PCV Valve Cover Breather by Edelbrock®. These push-in style valve cover breathers contain a foam filter element which allows the engine to properly breathe and traps oil vapor and prevents engine compartment contamination....Made with precision and quality in mindDesigned to meet your specific needs$39.95 - $53.95
- GReddy®S-Type Breather Tank Replacement Seal CapS-Type Breather Tank Replacement Seal Cap by GReddy®. Designed originally for racing engines, today’s compact production engines can also benefit from the used of Breather Tank Replacement Seal Cap.Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle$9.50
- Peterson Fluid Systems®Vacuum RegulatorVacuum Regulator by Peterson Fluid Systems®. Adjustable vacuum regulator is on the leading edge of engine management. It has been proven to regulate crankcase vacuum and hold a steady level through extensive testing. Vacuum can be...All Aluminum construction for light weightCNC Machined$244.18
Shop By Service Type
- EGR Valve Replacement
- Fuel Evaporative Canister Replacement
- Oxygen Sensor Replacement
- Positive Crankcase Ventilation (PCV) Valve Hose Replacement
- EGR Tube Replacement
- Secondary Air Injection Hose Replacement
- Evaporation Vent Solenoid Replacement
- Canister Purge Solenoid Replacement
- Positive Crankcase Ventilation (PCV) Valve Replacement
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2003 Chevy Impala Models
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