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Shop By Brand

The Following brands are available based on your search.

  • Bosal
    Bosal
  • DEC
    DEC
  • Eastern Catalytic
    Eastern Catalytic
  • MagnaFlow Performance Exhaust
    MagnaFlow Performance Exhaust
  • Magnaflow
    Magnaflow
  • Walker
    Walker

Best Selling Genuine Porsche Catalytic Converters

  • We Stock the following top leading brands, including Walker, Bosal, DEC, Eastern Catalytic
  • Constantly Updated Inventory of Porsche Replacement Catalytic Converter Parts

We stock Catalytic Converter parts for most Porsche models, including Boxster, Cayenne, Panamera, 911, 914, 924, 928, 930, 944, 968.

Walker
Qty:
$33.90
Walker Catalytic Converter
  • Walker Products 15549 Carburetor Repair Kit
  • Fits Fed. & Calif. Emiss. Models.; Includes Front & Rear Gasket; Exhaust Gasket is Recommended
  • Walker EPA Standard Direct Fit Converter
  • Product Attributes:
    • Body Height: 4.000
    • Body Length: 8.000
    • Body Width: 4.000
    • CA_Prop65_Lead: Warning: This Product Can Expose You To Chemicals, Including Lead, Which Is Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
    • Fitment: Direct Fit
    • Inlet Connection Type: 3 Bolt Welded Flange
    • Max Year Covered: 1993
    • Min Year Covered: 1975
    • Most Popular Make / Model: Volkswagen Rabbit
    • Most Popular Year: 1984
    • Outlet Connection Type: 3 Bolt Welded Flange
    • Overall Length: 11.500
    • Package Contents: (3) Gaskets
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO: 45090
  • Walker Carburetor Kits feature the most complete contents and highest quality components that meet or exceed original equipment specifications.
Brand: Walker
Additional Fitment Information:
Vehicle Aspiration Block Engine CID CC
1982 - Porsche 924 Naturally Aspirated L 4 Cyl 2.0L - 1983
Walker
Qty:
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; with Air Tube; Fits Fed. & Calif. Emiss. Models.; May Require 35574 For Installation.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 4.250
    • Body Length: 10.000
    • Body Shape: Small Oval
    • Body Width: 6.125
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.250
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 10.000
    • Max Year Covered: 1994
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Chevrolet Camaro
    • Most Popular Year: 1987
    • Outlet 1 Inside Diameter: 2.250
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.250
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 13.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 773215
      • 865465
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
1989 - Porsche 911 H 6 Cyl 3.2L - 3163
Walker
Qty:
$74.25
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 4.250
    • Body Length: 10.000
    • Body Shape: Small Oval
    • Body Width: 6.125
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.000
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.000
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 10.000
    • Max Year Covered: 1998
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Toyota Pickup
    • Most Popular Year: 1994
    • Outlet 1 Inside Diameter: 2.000
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.000
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 13.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 2161611
      • 2789942
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
1989 - Porsche 944 L 4 Cyl 2.7L - 2688
Walker
Qty:
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 4.250
    • Body Length: 10.000
    • Body Shape: Small Oval
    • Body Width: 6.125
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.250
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 10.000
    • Max Year Covered: 2002
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Ford Ranger
    • Most Popular Year: 1994
    • Outlet 1 Inside Diameter: 2.250
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.250
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 13.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 2131900
      • 2565204
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
1978 - Porsche 911 H 6 Cyl 3.0L - 2999
Walker
Qty:
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; w/o Air Tube; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 4.250
    • Body Length: 10.000
    • Body Shape: Small Oval
    • Body Width: 6.125
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.250
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 10.000
    • Max Year Covered: 2002
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Ford Ranger
    • Most Popular Year: 1994
    • Outlet 1 Inside Diameter: 2.250
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.250
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 13.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 2131900
      • 2565204
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
1987 - Porsche 911 H 6 Cyl 3.2L - 3163
Walker
Qty:
$81.79
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 4.250
    • Body Length: 10.000
    • Body Shape: Small Oval
    • Body Width: 6.125
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.500
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.500
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 10.000
    • Max Year Covered: 2006
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Ford Ranger
    • Most Popular Year: 1994
    • Outlet 1 Inside Diameter: 2.500
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.500
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 13.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 1621312
      • 1976831
Brand: Walker
Additional Fitment Information:
Vehicle Aspiration Block Engine CID CC
1988 - Porsche 944 Turbocharged L 4 Cyl 2.5L - 2475
Walker
Qty:
$86.70
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 5.000
    • Body Length: 7.875
    • Body Width: 5.000
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.250
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 7.875
    • Max Year Covered: 1995
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Chevrolet Lumina
    • Most Popular Year: 1995
    • Outlet 1 Inside Diameter: 2.250
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.250
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 11.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 233929
      • 313003
Brand: Walker
Position: Left
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1995 - Porsche 911 Left H 6 Cyl 3.6L - 3606
Walker
Qty:
$86.70
  • Federal/EPA converters are not legal for sale in the state of California. Restrictions may apply in other states. Consult your state’s regulation pertaining to aftermarket replacement converters prior to installation; Fits Fed. & Calif. Emiss. Models.; Modifications and/or Additional Parts Required.
  • Walker EPA Standard Universal Converter
  • Product Attributes:
    • Body Height: 5.000
    • Body Length: 7.875
    • Body Width: 5.000
    • Fitment: Universal
    • Inlet 1 Inside Diameter: 2.250
    • Inlet 1 Type: Pipe Connection
    • Inlet Connection Type: Pipe Connection
    • Inlet Diameter 1: 2.250
    • Inlet Diameter Designation: Inside Diameter
    • Longitud del Cuerpo: 7.875
    • Max Year Covered: 1995
    • Maximum Engine Size: 5.9l
    • Maximum Test Weight: 8500
    • Min Year Covered: 1975
    • Most Popular Make / Model: Chevrolet Lumina
    • Most Popular Year: 1995
    • Outlet 1 Inside Diameter: 2.250
    • Outlet 1 Type: Pipe Connection
    • Outlet Connection Type: Pipe Connection
    • Outlet Diameter 1: 2.250
    • Outlet Diameter Designation: Inside Diameter
    • Overall Length: 11.250
    • Product Grade: Economy
    • Substrate Material: Ceramic
    • Total Part VIO:
      • 233929
      • 313003
Brand: Walker
Additional Fitment Information:
Vehicle Block Engine CID CC
1995 - Porsche 968 L 4 Cyl 3.0L - 2983
Bosal
Qty:
$171.25
Bosal Catalytic Converter  Rear
  • Catalytic Converter
  • Bosal Federal Direct-Fit Standard Load OBDII Catalytic Converter
Brand: Bosal
Position: Rear
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2006 - Porsche Cayenne Rear V 6 Cyl 3.2L 195 3189
DEC
Qty:
$762.53
DEC Catalytic Converter
  • ; Tier Lev : PRE-OBDII EO Number : D-193-117 C.A.R.B. COMPLIANT
  • Direct Fit - California CARB Compliant
Brand: DEC
Additional Fitment Information:
Vehicle Block Engine CID CC
1979 - Porsche 911 H 6 Cyl 3.0L - 2999
DEC
Qty:
$762.53
DEC Catalytic Converter
  • ; EO Number : D-193-117 C.A.R.B. COMPLIANT
  • Direct Fit - California CARB Compliant
Brand: DEC
Additional Fitment Information:
Vehicle Block Engine CID CC
1975 - Porsche 911 H 6 Cyl 2.7L - 2688
DEC
Qty:
$377.13
DEC Catalytic Converter  Rear Left
  • ; E.P.A COMPLIANT
  • DEC-Vehicle Specific Loading
Brand: DEC
Position: Rear Left
Additional Fitment Information:
Vehicle Submodel Position Block Engine CID CC
2003 - Porsche Boxster S Rear Left H 6 Cyl 3.2L - 3179
DEC
Qty:
$537.30
  • ; Engine Family Number : 5PRXV03.6996 Tier Lev : LEV1 LEV EO Number : D-562-68 N.Y. C.A.R.B. COMPLIANT
  • Direct Fit - New York CARB Compliant
Brand: DEC
Position: Rear Right
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2005 - Porsche 911 Rear Right H 6 Cyl 3.6L - 3596
DEC
Qty:
$537.30
  • ; Engine Family Number : 5PRXV03.6GT3 Tier Lev : LEV1 LEV EO Number : D-562-68 N.Y. C.A.R.B. COMPLIANT
  • Direct Fit - New York CARB Compliant
Brand: DEC
Position: Rear Right
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2005 - Porsche 911 Rear Right H 6 Cyl 3.6L - 3596
DEC
Qty:
$537.30
  • ; Engine Family Number : 4PRXV03.6GT3 Tier Lev : LEV1 LEV EO Number : D-562-68 N.Y. C.A.R.B. COMPLIANT
  • Direct Fit - New York CARB Compliant
Brand: DEC
Position: Rear Right
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2004 - Porsche 911 Rear Right H 6 Cyl 3.6L - 3596
DEC
Qty:
$537.30
  • ; Engine Family Number : 3PRXV03.6TU3 Tier Lev : LEV1 LEV EO Number : D-562-68 N.Y. C.A.R.B. COMPLIANT
  • Direct Fit - New York CARB Compliant
Brand: DEC
Position: Rear Right
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - Porsche 911 Rear Right H 6 Cyl 3.6L - 3596
DEC
Qty:
$762.53
DEC Catalytic Converter
  • ; Tier Lev : PRE-OBDII EO Number : D-193-117 N.Y. C.A.R.B. COMPLIANT
  • Direct Fit - New York CARB Compliant
Brand: DEC
Additional Fitment Information:
Vehicle Block Engine CID CC
1982 - Porsche 911 H 6 Cyl 3.0L - 2999
Eastern Catalytic
1979 Porsche 924 Catalytic Converter 4 Cyl 2.0L Eastern Catalytic - UNIVERSAL

P311-50101A9    70317  New

Qty:
$66.05
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • ; Undercar Legal Note: Not For Sale or Use in the state of CA/NY & Maine (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.25" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.25" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1979 - Porsche 924 L 4 Cyl 2.0L - 1983
Eastern Catalytic
1986 Porsche 944 Catalytic Converter 4 Cyl 2.5L Eastern Catalytic - UNIVERSAL

P311-0368AFA    70316  New

Qty:
$67.53
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • ; Undercar Legal Note: Not For Sale or Use in the state of CA/NY & Maine (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 10"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.00" Id
    • O2 Sensor Ports: None
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2.00" Id
    • Shape: Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Aspiration Block Engine CID CC
1986 - Porsche 944 Naturally Aspirated L 4 Cyl 2.5L - 2475
Eastern Catalytic
1987 Porsche 911 Catalytic Converter 6 Cyl 3.2L Eastern Catalytic - UNIVERSAL

P311-53813DF    70535  New

Qty:
$93.04
Eastern Catalytic Catalytic Converter
  • Federal / EPA Semi-Universal Converter - Standard
  • ; Undercar Legal Note: Not For Sale or Use in the state of CA/NY & Maine (vehicles with California Emissions)
  • UNIVERSAL
  • Product Attributes:
    • Air Tube Qty: None
    • Body Length (IN): 12"
    • Catalyst Type: Standard
    • Inlet Gasket Qty: None
    • Inlet Hardware: None
    • Inlet Type A: 2.50" Id
    • O2 Sensor Ports: 1
    • Outlet Gasket Qty: None
    • Outlet Hardware: None
    • Outlet Type A: 2 X 2.00" Id
    • Shape: Large Oval
    • Test Weight: 5.9 / 6000
  • Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Additional Fitment Information:
Vehicle Block Engine CID CC
1987 - Porsche 911 H 6 Cyl 3.2L - 3163