2004 Buick Regal Emission Control Parts
![Buick Regal Emission Control - 2004](https://ic.carid.com/categories/emission-control-year_cat_0.jpg)
- Walker®CalCat™ Direct Fit Round Body Catalytic ConverterBuick Regal Engine Family # 4GMXV03.8042 2004, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall...$1,542.10
- DIY Solutions®Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal with Eighth Digit of VIN is 1 or K 2004, 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...$252.91
- Walker®EX Ultra™ Direct Fit Round Body Catalytic ConverterBuick Regal 2004, 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 OE...$1,477.77
- ACAT Global®High Performance Universal Fit Catalytic ConverterBuick Regal 2004, 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 ConverterBuick Regal 2004, 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
- BRExhaust®Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal with Federal Emission 2004, 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...$220.73
- ReplacementCenter Direct Fit Catalytic ConverterBuick Regal LS 2004, Catalytic Converter by Replacement. Converter Configuration: Direct Fit. Position: Center. With Factory OE Ports. Catalytic Converter Overall Length: 37". A vehicle's exhaust system is pivotal to both performance and...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
- Edelbrock®Victor Series Race Style PCV BreatherVictor Series Race Style PCV Breather by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock 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$44.95
- 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
- iD Select®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Swap out your worn-out or...$197.39
- Walker®Ultra™ Universal Fit Large Oval Body Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With O2 Sensor Port. Catalytic Converter Overall Length: 18". The Right converter,...$122.73 - $157.97
- AP Exhaust®Super X Duty Universal Fit Large Oval Body Catalytic ConverterUniversal Super X Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Without Air Tube. With 1 Center O2 Sensor Port. Catalytic Converter Overall Length: 17"....$214.23
- Eastern Catalytic®ECO GM II Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 Angled O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your...$242.84
- Eastern Catalytic®ECO GM Universal Fit Large Round Body Catalytic ConverterUniversal ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by...$242.21 - $242.84
- Eastern Catalytic®ECO II Universal Fit Large Round Body Catalytic ConverterUniversal ECO II Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Whether your catalytic...$133.67 - $169.90
- ACAT Global®High Performance Universal Fit Catalytic ConverterUniversal High Performance Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from...$138.95 - $259.95
- ACAT Global®Universal Fit Catalytic ConverterUniversal Catalytic Converter by ACAT Global®. Converter Configuration: Universal Fit. This product features the elaborate design that was engineered with superior precision and refined to the last detail. Made from reliable materials...$121.66 - $231.95
- Herko®Oxygen SensorBuick Regal 2004, Oxygen Sensor by Herko®. Position: Upstream. 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...Will help optimize your vehicle’s performance and fuel efficiencyBuilt using high-grade materials for ultimate quality and durability$29.68
- Gates®Vapor Canister Purge SolenoidBuick Regal 2004, Vapor Canister Purge Solenoid 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 will...Made with precision and quality in mindDesigned to meet your specific needs$37.76
- TruParts®Universal Fit Catalytic ConverterBuick Regal 2004, Catalytic Converter by TruParts®. Converter Configuration: Universal Fit. 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...$109.11 - $120.71
- Chevrolet Performance®Diesel Exhaust FluidDiesel Exhaust Fluid by Chevrolet Performance®. Sold individually. Diesel Exhaust Fluid (DEF) is a non-flammable fluid consisting of 2/3 purified water and 1/3 ammonia-based urea. DEF is used with diesel engine exhaust systems to reduce...High quality at an affordable priceExpertly made from premium materials$11.27
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