2003 Nissan Altima Emission Control Parts
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Standard®Intermotor™ Exhaust Temperature SensorNissan Altima 2003, Intermotor™ Exhaust Temperature Sensor 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$107.19 - Gates®Engine Crankcase Breather HoseNissan Altima 3.5L 2003, Engine Crankcase Breather Hose by Gates®. 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...High quality at an affordable priceExpertly made from premium materials$9.01 - $32.04
- Genuine®PCV Valve HoseNissan Altima 3.5L 2003, PCV Valve Hose by Genuine®. Position: Driver Side. Location: Valve Cover to Valve Cover. Genuine is here to give you the ultimate in quality and reliability at a cost you can afford. Designed utilizing the...Made with precision and quality in mindDesigned to meet your specific needs$65.42
- Genuine®Oxygen Sensor NutNissan Altima SE 2003, Oxygen Sensor Nut 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$22.85
- MTC®Engine Crankcase Breather Hose GrommetNissan Altima SE 2003, Engine Crankcase Breather Hose Grommet by MTC®. If you’re looking for replacement parts at reasonable prices, then MTC parts are the way to go. Manufactured by highly qualified experts who follow stringent...Ideal solution to restore the performance of your vehicleManufactured using high-strength materials for maximum reliability$2.60
- Standard®Vapor Canister Purge Solenoid ConnectorNissan Altima 2003, Vapor Canister Purge Solenoid Connector 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$20.41
- Fel-Pro®EGR Valve GasketNissan Altima 3.5L 2003, EGR Valve Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...Direct OEM replacement for a proper fitEnsures reliable sealing performance$4.91
- Torxe™Direct Fit Catalytic ConverterNissan Altima 2003, Catalytic Converter by Torxe™. Converter Configuration: Direct Fit. Direct Fit Catalytic converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the best possible price with a...$150.00 - $207.50
- Nissan OEExhaust System - Exhaust ComponentsNissan Altima 2003, Exhaust System - Exhaust Components by Nissan OE. Rely on superior-grade Nissan OE parts to maintain your Nissan and keep it in like-new condition for a long time. Made to strict standards of quality using innovative...Genuine Nissan OEM part that offers superior quality and fitmentEngineered and tested to meet all Nissan standards$5.53 - $751.53
- AP Exhaust®Direct Fit Catalytic ConverterNissan Altima 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand...$387.26 - $709.29
- Walker®Ultra™ Direct Fit Round Body Catalytic Converter and Pipe AssemblyNissan Altima 3.5L 2003, Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Converter Configuration: Direct Fit. Position: Rear. Catalytic Converter Body Shape: Round. With 2 Inlets. Without O2 Sensor Port. Catalytic Converter...$395.07
- AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyNissan Altima 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...$253.34 - $768.73
- Davico®Direct Fit Catalytic ConverterNissan Altima 3.5L 2003, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock...$231.53 - $962.03
- CATCO®Direct Fit Catalytic Converter and Pipe AssemblyNissan Altima with California Emission / with Federal Emission 2003, Catalytic Converter and Pipe Assembly by CATCO®. Converter Configuration: Direct Fit. Designed and manufactured with innovative fabrication methods, high-tech...$278.47 - $599.72
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterNissan Altima 3.5L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet...$182.00
- MagnaFlow®OBDII Universal Fit Oval Body Catalytic ConverterNissan Altima 3.5L with LEV Standard / LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$327.00 - $503.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterNissan Altima 3.5L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet...$197.00
- Walker®Ultra™ Direct Fit Round Body Catalytic ConverterNissan Altima 3.5L 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Position: Front Passenger Side. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall...$442.04
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyNissan Altima 3.5L 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Rear. Without O2 Sensor Port. Catalytic Converter Overall Length: 39". This direct-fit catalytic converter by...$311.39 - $1,004.68
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterNissan Altima 3.5L 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter is part of...$440.00 - $607.00
- HJS®Catalytic Converter GasketNissan Altima 3.5L 2003, Catalytic Converter Gasket by HJS®. Position: Front. Location: Header Pipe Inlet and Catalytic Converter Outlet. This product is made of high-quality materials to serve you for years to come. Designed using...High quality at an affordable priceExpertly made from premium materials$2.57
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterNissan Altima 3.5L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter will...$419.00 - $434.00
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterNissan Altima 3.5L Engine Family # 3NSXV03.5C7A 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2...$766.32
- AP Exhaust®Universal Fit Round Body Catalytic ConverterNissan Altima 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market continues to cover a...$306.44 - $355.83
- iD Select®ECO III Direct Fit Catalytic ConverterNissan Altima 3.5L 2003, ECO III Catalytic Converter by iD Select®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select. It’s...$419.59 - $461.20
- iD Select®ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic ConverterNissan Altima 2.5L 2003, ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by iD Select®. Position: Front. Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....Direct OEM replacement for your malfunctioning exhaust partMade to deliver the ultimate in quality, reliability, and value$635.91
- CATCO®Direct Fit Catalytic ConverterNissan Altima 3.5L with California Emission / Federal Emission 2003, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. Designed and manufactured with innovative fabrication methods, high-tech...$517.64 - $539.23
- Eastern Catalytic®Standard Direct Fit Y-Pipe Catalytic Converter AssemblyNissan Altima 3.5L 2003, Standard Y-Pipe Catalytic Converter Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Position: Rear. Location: Undercar. Without O2 Sensor Port. Catalytic Converter Overall Length: 39.25". If...$496.52
- CATCO®OBDII Universal Fit Round Body Catalytic ConverterNissan Altima with California Emission / with Federal Emission 2003, OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Designed and manufactured with...$172.60 - $180.71
- Eastern Catalytic®ECO CARB Direct Fit Catalytic ConverterNissan Altima 3.5L Engine Family # 3NSXV03.5C7A 2003, ECO CARB Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. Two Way Catalytic. If you need to replace your failed or damaged...$472.91 - $543.49
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