2003 Buick Century Exhaust Parts

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    • (0 reviews)
      # 176819857
      Buick Century 2003, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...
      Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound
      $50.06 - $399.54
    • (0 reviews)
      # 165411681
      Buick Century 2003, Replacement Exhaust Kit by AP Exhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch materials,...
      Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape
      $51.99 - $290.42
    • (0 reviews)
      # mpn1873157
      Buick Century 2003, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler by Walker®. Muffler Inlet Diameter: 2.25". Muffler Outlet Diameter: 2.25". Muffler Body Length: 15". Muffler Overall Length: 27.75". Muffler...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $81.81
    • (0 reviews)
      # mpn2283869
      Buick Century 2003, Steel Natural Exhaust Crossover Pipe by Dorman®. Material: Steel. More like a complete kit than a single part, Dorman's Exhaust Crossover Pipe includes all necessary gaskets and hardware for a complete installation....
      Comes with two flange bolts and one flange gasket per side for ease of installationRust-resistant for long-lasting performance
      $215.95
    • (0 reviews)
      # 832967897
      Buick Century 2003, SoundFX™ Aluminized Steel Oval Direct-Fit Exhaust Muffler by Walker®. Optional. Muffler Body Length: 15". This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100%...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $27.24 - $50.06
    • (0 reviews)
      # 231022476
      Buick Century 2003, Cast Iron Exhaust Manifold by Dorman®. Emissions: CARB compliant. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using...
      High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $77.95 - $103.95
    • (0 reviews)
      # 1016190403
      Buick Century Engine Family # 3GMXV03.8043 2003, CalCat™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $399.54
    • (0 reviews)
      # mpn1833637
      Buick Century Engine Family # 3GMXV03.8043 2003, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $157.82
    • (0 reviews)
      # mpn1842580
      Buick Century 2003, EX Ultra™ Catalytic Converter and Pipe Assembly by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $316.59
    • (0 reviews)
      # 286167670
      Buick Century 2003, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. With O2 Sensor Port. Catalytic Converter Overall Length:...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $191.52
    • (0 reviews)
      # mpn1806779
      Buick Century 2003, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $71.19
    • (0 reviews)
      # mpn1253021
      Buick Century 2003, ECO GM Catalytic Converter and Pipe Assembly by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 40". If you need...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $194.51
    • (0 reviews)
      # mpn474117423
      Buick Century 2003, 608 Series Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With 1 Passenger Side O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $85.00
    • (0 reviews)
      # 252872265
      Buick Century 2003, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. Catalytic Converter Overall Length: 41.5". The growing concern for the environment means there is a growing...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $219.94 - $290.42
    • (0 reviews)
      # mpn971264
      Buick Century with Federal Emission 2003, Catalytic Converter and Pipe Assembly by Bosal®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With O2 Sensor Port. If you’re in need of a replacement catalytic converter, you...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $186.51
    • (0 reviews)
      # 517376035
      Buick Century 2003, 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 to fail again. These catalytic...
      Direct fitMade from a heavy duty stainless steel outer shell
      $238.48 - $425.54
    • (0 reviews)
      # mpn2231257587
      Buick Century 2003, Catalytic Converter and Pipe Assembly by PaceSetter®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front Undercar. If you want to get the most out of your vehicle, this PaceSetter product...
      Direct-Fit Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent 16-gauge and stainless steel tubing
      $131.91
    • (0 reviews)
      # 286167726
      Buick Century 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 40". This direct-fit catalytic converter by Davico will be a great solution...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $177.32 - $394.09
    • (0 reviews)
      # mpn4498746926
      Buick Century Engine Family # 3GMXV03.8043 with PC Weight Class with California Emission with LEV1 Standard 2003, Catalytic Converter by Davico®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Center. This...
      $263.63
    • (0 reviews)
      # mpn1876513
      Buick Century 2003, Stainless Steel Round Aluminized Resonator Assembly by Walker®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 19". Muffler Overall Length: 79.87". If you want exhaust piping that...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $94.29
    • (0 reviews)
      # mpn4523996893
      Buick Century 2003, MSL Maximum Aluminized Steel Oval Body Exhaust Muffler by Eastern Exhaust®. Inlet Quantity: 1. Inlet Diameter: 2.25". Inlet Type: Pipe. Outlet Quantity: 1. Outlet Diameter: 2.25". Height: 7.75". Outlet Type: Spout....
      A muffler designed for the Professional installerConstructed from 100% Aluminized Steel
      $44.56
    • (0 reviews)
      # mpn831482564
      Buick Century 2003, Quick-Fit Exhaust Flex and Pipe Assembly by Walker®. Emissions: EPA compliant. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do...
      Makes installation quick and easyOptimal OE-style fit and quality
      $70.77
    • (0 reviews)
      # 1106428386
      Buick Century 2003, Exhaust Pipe Connector by Eastern Exhaust®. EE™ is vertically integrated and manufactures vast amounts of strong steel tubing for use as straight and bent exhaust-pipes and tail-pipes components. EE™ forms and...
      Direct-fit precision engineered design features necessary brackets, flanges, shielding, flex and resonators for OE fit and appearanceMade from 100% aluminized heavy 14 and 16-gauge steel piping
      $26.91 - $82.86
    • (1 review)
      # 1119391400
      Buick Century 2003, GM Original Equipment™ Oxygen Sensor by ACDelco®. 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 GM OE Oxygen...
      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
      $35.66 - $40.72
    • (0 reviews)
      # 485593125
      Buick Century 2003, Professional™ Oxygen Sensor by ACDelco®. 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 Professional Oxygen...
      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
      $50.06 - $51.78
    • (0 reviews)
      # 81758122
      Buick Century 2003, 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 develop the most...
      OE connectors and wire lengths within 3" of OE specificationsResists high temperatures, vibration damage and wire corrosion to protect signal accuracy, and long life
      $40.48 - $40.66
    • (0 reviews)
      # 44885911
      Buick Century 2003, Oxygen Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...
      One-piece laser welded body for maximum protection and precise operation maintaining sensor integrityDual internal talc seal makes your oxygen sensors last longer
      $40.36 - $47.88
    • (0 reviews)
      # 24143243
      Buick Century 2003, 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
      $27.64 - $37.85
    • (0 reviews)
      # mpn937534
      Buick Century 2003, Universal Fit 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 replacement of...
      Patented SmartLink™ connector systemNo special tools required for installation
      $36.74
    • (0 reviews)
      # 21075369
      Buick Century 2003, Oxygen Sensor by Denso®. 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 air fuel mixture under idle,...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $28.64 - $32.53
    • (0 reviews)
      # 710305097
      Buick Century 2003, Universal Fit Oxygen Sensor by Denso®. 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 air fuel mixture...
      Corrosion-resistant stainless steel constructionPTFE filter blocks efficiency-robbing contaminants
      $31.49 - $37.71
    • (0 reviews)
      # 22133488
      Buick Century 2003, Oxygen Sensor by NTK®. Thimble type sensors feature a ceramic element that projects into the exhaust system and becomes electrically conductive at high temperature. The sensor element then sends voltage signals back...
      Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement
      $32.00 - $38.16
    • (0 reviews)
      # 22810857
      Buick Century 2003, 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
      $21.51 - $25.08
    • (0 reviews)
      # mpn4523996004
      Buick Century 2003, Exhaust Pipe Flange Gasket by Eastern Exhaust®. Bolt Hole Quantity: 2. Inside Diameter: 2-3/8". Bolt To Bolt Length: 4-5/16". EE™ is vertically integrated and manufactures vast amounts of strong steel tubing for...
      Will cover your exhaust needs and even moreBuilt with high performance in mind
      $2.05
    • (0 reviews)
      # mpn4523995356
      Buick Century 2003, Exhaust Pipe Gasket by Eastern Exhaust®. Inside Diameter: 2-13/16". Thickness: 5/32". EE™ is vertically integrated and manufactures vast amounts of strong steel tubing for use as straight and bent exhaust-pipes and...
      Will cover your exhaust needs and even moreBuilt with high performance in mind
      $5.27
    • (1 review)
      # mpn1572681
      Buick Century 2003, Heavy Duty Steel Natural U-Bolt Clamp by Walker®. Material: Steel. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.34
    • (0 reviews)
      # mpn770181280
      Buick Century 2003, Rubber Black Exhaust Hanger by Dorman®. Position: Front. Material: Rubber. Dorman’s Exhaust Hanger installs easily to mount the exhaust to the vehicle. The Hanger is constructed from high-quality, heat-resistant...
      Direct replacement for a proper fitReplacement restores the exhaust to proper operation
      $5.36
    • (0 reviews)
      # mpn888415702
      Buick Century 2003, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.97
    • (0 reviews)
      # mpn4476976385
      Buick Century 2003, Exhaust Manifold Gasket Set 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $15.74
    • (0 reviews)
      # mpn597855
      Buick Century 2003, Multi-Layer Steel Exhaust Manifold Gasket Set by Victor Reinz®. Material: Multi-Layer Steel. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...
      High quality at an affordable priceExpertly made from premium materials
      $16.67
    • (0 reviews)
      # mpn616582
      Buick Century 2003, Steel and Composition Exhaust Seal Ring by Victor Reinz®. Material: Steel and Composition. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...
      High quality at an affordable priceExpertly made from premium materials
      $6.31
    • (0 reviews)
      # mpn4497862411
      Buick Century 2003, Exhaust Manifold Gasket by Mahle®. 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
      $23.02
    • (0 reviews)
      # mpn1151262242
      Buick Century 2003, Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $10.61
    • (0 reviews)
      # mpn1143023631
      Buick Century 2003, Exhaust Manifold Gasket Set by Apex Auto®. Designed utilizing the latest technology, this product by Apex Auto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $9.26
    • (0 reviews)
      # mpn520791
      Buick Century 2003, Catalytic Converter Gasket by Victor Reinz®. Position: Rear. Flange Gasket. 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...
      High quality at an affordable priceExpertly made from premium materials
      $1.92
    • (0 reviews)
      # mpn4482355968
      Buick Century 2003, Catalytic Converter Gasket by Mahle®. Position: Rear. 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...
      High quality at an affordable priceExpertly made from premium materials
      $3.06
    • (1 review)
      # 18135793
      Buick Century 2003, Exhaust Pipe Flange Gasket by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose...
      Makes installation quick and easyOptimal OE-style fit and quality
      $3.80 - $7.75
    • (0 reviews)
      # 212092905
      Buick Century 2003, Exhaust Pipe Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quickly and easily. Choose Bosal, and you'll...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      $2.51 - $2.90
    • (0 reviews)
      # 19064365
      Buick Century 2003, Exhaust Pipe Flange 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...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $3.24 - $7.97
    • (0 reviews)
      # mpn4482355734
      Buick Century 2003, Exhaust Seal Ring by Mahle®. Location: Exhaust Pipe to Manifold. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $8.82
    • (0 reviews)
      # mpn2386333
      Buick Century 2003, Metal Exhaust Flange Stud and Nut Kit by Dorman®. Position: Front. Material: Metal. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time and...
      Direct replacement for a proper fit every timeDurable steel construction
      $4.30
    • (0 reviews)
      # mpn798898599
      Buick Century 2003, GM Original Equipment™ Oxygen Sensor Connector by ACDelco®. Position: Secondary. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $25.76
    • (0 reviews)
      # mpn915020554
      Buick Century 2003, Professional™ Oxygen Sensor Connector by ACDelco®. 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 Professional...
      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
      $33.23
    • (0 reviews)
      # mpn4210966142
      Buick Century 2003, Oxygen Sensor Connector by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $28.50
    • (0 reviews)
      # mpn2765260538
      Buick Century 2003, Standard Grade Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Middle. With O2 Sensor Port. Catalytic Inlet Diameter: 2.25". Catalytic Outlet Diameter:...
      $251.86
    • (0 reviews)
      # mpn1118911
      Buick Century 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5"....
      $253.66
    • (0 reviews)
      # mpn1038339
      Buick Century 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic Inlet...
      $113.01
    • (0 reviews)
      # mpn1131130
      Buick Century with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. With Post-Cat O2 Sensor Port. Catalytic...
      $618.08
    • (0 reviews)
      # mpn1038296
      Buick Century with LEV Standard / with LEV1 Standard 2003, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2...
      $258.01
    • (0 reviews)
      # mpn1125940
      Buick Century 2003, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. With Gaskets. Catalytic Converter Overall Length: 41". If your car needs replacement, install one that will...
      $418.04




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    Popular Products



    2003 Buick Century Exhaust Parts Reviews

    Average rating:  4  4 - 2 reviews
    3.5 of 5
    It Was To Small
    It was to small had to take it get fitted and cut down.
    Posted by Charles Barber (Cape Girardeau, MO) / March 13, 20182007 Chevy Avalanche
    Was this review helpful for you? Yes
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