2004 Buick Regal Emission Control Parts
- Standard®EGR Valve GasketBuick Regal 2004, EGR Valve Gasket 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 integrity to...Made with precision and quality in mindDesigned to meet your specific needs$2.20 - $15.11
- WVE®EGR Valve Motor ConnectorBuick Regal 2004, EGR Valve Motor 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 minimize...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$23.02 - $32.86
- AP Exhaust®Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal 2004, Catalytic Converter and Pipe Assembly by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 37.38". Today’s exhaust performance market...$261.96
- MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterBuick Regal 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gasket. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5"....$391.00
- MagnaFlow®OBDII Direct Fit Catalytic ConverterBuick Regal 2004, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. If your car needs replacement, install one that will get you through the smog check. This converter will directly replace the factory unit,...$1,202.00 - $1,565.00
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterBuick Regal 2004, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. With Gaskets. Without Air Tube. Catalytic Converter Overall Length: 37". If your car needs replacement, install one that will get you...$411.00
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterBuick Regal 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". If your...$178.00 - $188.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterBuick Regal 2004, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". If your car...$194.00 - $202.00
- MagnaFlow®Spun Universal Fit Catalytic ConverterBuick Regal Engine Family # 4GMXV03.8042 2004, Spun Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Catalytic Converter Overall Length: 9". If...$1,137.00
- Walker®Ultra™ Direct Fit Round Body Catalytic ConverterBuick Regal 2004, 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: 40". Walker is an OE supplier...$304.57
- CATCO®Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal 2004, Catalytic Converter and Pipe Assembly by CATCO®. Converter Configuration: Direct Fit. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 37.38". Designed and manufactured with innovative fabrication methods,...$303.32
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal with Federal Emission 2004, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Center. Catalytic Converter Overall Length: 37.25". This direct-fit catalytic converter by Davico...$262.84 - $485.17
- Walker®CalCat™ Universal Fit Round Body Catalytic ConverterBuick Regal 2004, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 17.5". Specifically...$605.14 - $1,861.34
- Walker®Ultra™ Universal Fit Round Body Catalytic ConverterBuick Regal 2004, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 11.5"....$137.41
- CATCO®OBDII Universal Fit Round Body Catalytic ConverterBuick Regal 2004, OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Designed and manufactured with innovative fabrication methods, high-tech materials,...$173.95 - $180.71
- ACDelco®Genuine GM Parts™ Catalytic Converter GasketBuick Regal 2004, Genuine GM Parts™ Catalytic Converter Gasket by ACDelco®. Location: Converter to I-Pipe. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.13
- AP Exhaust®608 Series Universal Fit Round Body Catalytic ConverterBuick Regal 2004, 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter: 2.5". Three-Way...$149.32 - $154.81
- iD Select®ECO GM Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal K Engine VIN Character 2004, ECO GM Catalytic Converter and Pipe Assembly by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 37". Swap out your...$253.11
- Eastern Catalytic®ECO GM Direct Fit Catalytic Converter and Pipe AssemblyBuick Regal K Engine VIN Character 2004, ECO GM Catalytic Converter and Pipe Assembly by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 37". If you...$243.61
- Davico®Universal Fit Catalytic ConverterBuick Regal K Engine VIN Character 2004, Catalytic Converter by Davico®. Converter Configuration: Universal Fit. Position: Rear. Catalytic Inlet Diameter: 2.5". Catalytic Converter Overall Length: 15". This Universal fit catalytic...$123.60
- CATCO®Select Plus Tech Series OBDII Universal Fit Round Body Catalytic ConverterBuick Regal 2004, Select Plus Tech Series OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2.5"....$644.78
- Eastern Catalytic®ECO GM Universal Fit Large Oval Body Catalytic ConverterBuick Regal 2004, ECO GM Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Location: Undercar. Catalytic Converter Body Shape: Large Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$285.05
- Granatelli Motor Sports®Valve Cover BreatherValve Cover Breather by Granatelli Motor Sports®. 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 meet your...Made with precision and quality in mindDesigned to meet your specific needs$15.96
- Granatelli Motor Sports®Valve Cover Breather InsertValve Cover Breather Insert by Granatelli Motor Sports®. 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 meet...Made with precision and quality in mindDesigned to meet your specific needs$50.69 - $67.83
- iD Select®ECO II Universal Fit Catalytic ConverterUniversal ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16". Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....$144.22 - $146.77
- AP Exhaust®Enhanced Standard Duty Universal Fit Oval Body Catalytic ConverterUniversal Enhanced Standard Duty Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Catalytic Converter Overall Length: 16". Today’s exhaust...$90.57 - $125.57
- AP Exhaust®Universal Fit Round Body Catalytic ConverterUniversal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The...$232.31 - $339.18
- Walker®Ultra™ Universal Fit Catalytic ConverterUniversal Ultra™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It meets the EPA policy and...$100.00 - $285.30
- Torxe™Universal Fit Catalytic ConverterUniversal Catalytic Converter by Torxe™. Converter Configuration: Universal Fit. Catalytic Inlet Diameter: 2". Universal Fit Catalytic Converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the...$108.00 - $175.00
- Eastern Catalytic®Universal Fit Large Oval Body Catalytic ConverterUniversal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by road debris...$155.38 - $255.04
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