Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2003 Buick Regal Catalytic Converter

2003 Buick Regal Catalytic Converter

My Vehicle Change Vehicle
2003 Buick Regal
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Catalytic Converters
  • Department
  • Brands
  • Prices

10 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2003 Buick Regal Converter & Pipe Gasket

    PartNumber: 10328740
    OEM 2003 Buick Regal Converter & Pipe Gasket - 10328740
    Product Specifications
    • Item Dimensions: 6.2 x 4.7 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10275205
    • Part Description: 2003 Buick Regal Converter & Pipe Gasket
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
    $21.31 MSRP: $32.16
    You Save: $10.85 (34%)
  • OEM (Genuine) 2003 Buick Regal Converter & Pipe Gasket

    PartNumber: 15286606
    OEM 2003 Buick Regal Converter & Pipe Gasket - 15286606
    Product Specifications
    • Location: Passenger Side; Driver Side
    • Item Dimensions: 7.0 x 4.4 x 0.4 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12565634, 10356943
    • Part Description: 2003 Buick Regal Converter & Pipe Gasket
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
    $20.85 MSRP: $31.46
    You Save: $10.61 (34%)
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal - 16567

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal

    PartNumber: 16567
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Fed & Calif Emissions; Incls super charged
    • Catalytic Converter Body Height: 13.5"
    • Catalytic Converter Overall Length: 37.25"
    • Catalytic Converter Width: 7.25"
    • Converter Configuration: Direct Fit
    • Position: Center
    • Part Description: 2003 Buick Regal Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
    $238.84
  • OEM (Genuine) 2003 Buick Regal Converter & Pipe

    PartNumber: 10343187
    OEM 2003 Buick Regal Converter & Pipe - 10343187
    Product Specifications
    • Notes: W/O Supercharger, All
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 6.9 x 38.7 x 13.9 inches
    • Item Weight: 18.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12564328, 10337610
    • Part Description: 2003 Buick Regal Converter & Pipe
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | LS | 6 Cyl 3.8 L GAS
  • Bosal Direct Fit Catalytic Converter And Pipe Assembly for 2003 Buick Regal - 079-5130

    Bosal® Direct Fit Catalytic Converter And Pipe Assembly for 2003 Buick Regal

    PartNumber: 079-5130
    Product Specifications
    • Notes: Not Legal For Sale In CA. Not Legal In NY For Vehicles w/Calif Emissions.
    • CARB Compliant: No
    • Catalytic Converter Air Tube Adaptable: Not Air Tube Kit Adaptable
    • Catalytic Converter Format: Main Catalytic Converter
    • Catalytic Converter Housing Material: Stainless Steel
    • Catalytic Converter Length (in): 13.0
    • Catalytic Converter Oxygen Sensor Location: No Port Location
    • Catalytic Converter Substrate Material: Ceramic
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Exhaust Pipe Inlet Connection Type: Flange or slip fit
    • Exhaust Pipe Outlet Connection Type: Flange or slip fit
    • Fitment: Direct OE Replacement
    • Internet Product Code (IPC): 345120497A7
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 079-5130
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920312550
    • Part Description: 2003 Buick Regal Direct Fit Catalytic Converter And Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • MagnaFlow Universal Catalytic Converter for 2003 Buick Regal - 4561206

    MagnaFlow® Universal Catalytic Converter for 2003 Buick Regal

    PartNumber: 4561206
    Product Specifications
    • Notes: CARB Executive Order D-193-142;Engine Family Number 3GMXV03.8044;Certification Level : LEV1 ULEV; OE Spec; Cutting & Welding Reqd During Installation
    • Air Tube Adaptable: No
    • Body Height: 4
    • Body Length: 9
    • Body Shape: Round
    • Body Type: Spun
    • Body Width: 4
    • Finish: Stainless Steel
    • Heat Shield Attached: No
    • Inlet Attachment: Weld-On
    • Inlet Diameter: 2.5
    • Inlet Orientation: Straight
    • Inlet Quantity: 1
    • Material: Stainless Steel
    • Outlet Attachment: Weld-On
    • Outlet Diameter: 2.5
    • Outlet Orientation: Straight
    • Outlet Quantity: 1
    • Overall Length: 9
    • Sensor Port Count: 0
    • Series: California
    • Substrate Material: Ceramic
    • Title: California Universal
    • UPC: 888563132808
    • Part Description: 2003 Buick Regal Universal Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • DEC Standard Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal - GM20176

    DEC® Standard Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal

    PartNumber: GM20176
    Product Specifications
    • Notes: 6 3.8l; LS Sub Model; check Tech Note on www.deccats.com; E.P.A COMPLIANT;6 3.8l; check Tech Note on www.deccats.com; check TSB on www.deccats.com; E.P.A COMPLIANT
    • Part Description: 2003 Buick Regal Standard Direct Fit Catalytic Converter and Pipe Assembly
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
    • 2003 Buick Regal | GS | 6 Cyl 3.8L
    • 2003 Buick Regal | LS | 6 Cyl 3.8L
    Show More
  • Bosal Universal Fit Catalytic Converter for 2003 Buick Regal - 097-0390

    Bosal® Universal Fit Catalytic Converter for 2003 Buick Regal

    PartNumber: 097-0390
    Product Specifications
    • Notes: Not Legal For Sale In CA. Not Legal In NY For Vehicles w/Calif Emissions.
    • CARB Compliant: N
    • Catalytic Converter Air Tube Adaptable: Not Air Tube Kit Adaptable
    • Catalytic Converter Format: Universal
    • Catalytic Converter Housing Material: Stainless Steel
    • Catalytic Converter Length (in): 11.000000
    • Catalytic Converter Oxygen Sensor Location: No Port Location
    • Catalytic Converter Substrate Material: Ceramic
    • Exhaust Component Mount Type: Uses Factory Hangers
    • Exhaust Pipe Inlet Connection Type: Flange or Slip fit
    • Exhaust Pipe Outlet Connection Type: Flange or Slip fit
    • Fitment: Universal
    • Internet Product Code (IPC): D8AE88E9331
    • Item Grade: Standard Replacement
    • Item has MSDS (SDS): N
    • MFG Brand Name: Bosal
    • MFG Model # (Series): 097-0390
    • MFG Name: Bosal
    • Supplier Company Name: Bosal
    • UPC: 623920340348
    • Part Description: 2003 Buick Regal Universal Fit Catalytic Converter
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal - 46567

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for 2003 Buick Regal

    PartNumber: 46567
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Dealer Alternative; Fed & Calif Emissions; Incls super charged
    • Catalytic Converter Body Height: 13.5"
    • Catalytic Converter Overall Length: 37.25"
    • Catalytic Converter Width: 7.25"
    • Converter Configuration: Direct Fit
    • Position: Center
    • Part Description: 2003 Buick Regal Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | All Trims | 6 Cyl 3.8L
  • OEM (Genuine) 2003 Buick Regal 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

    PartNumber: 10343189
    OEM 2003 Buick Regal 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P - 10343189
    Product Specifications
    • Notes: W/Supercharger, All
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 38.1 x 11.8 x 7.7 inches
    • Item Weight: 18.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Buick Regal 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P
    More Info
    Vehicle Fitment
    • 2003 Buick Regal | GS | 6 Cyl 3.8 L GAS