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Replacement and OEM Parts for 2003 Infiniti Q45 Exhaust Manifolds, Pipes, Mufflers & Components

2003 Infiniti Q45 Exhaust Manifolds, Pipes, Mufflers & Components

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Engine & Drivetrain

40 products about 2003 Infiniti Q45 Exhaust Manifolds, Pipes, Mufflers & Components found

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  • Victor Reinz Exhaust Pipe Flange Gasket for 2003 Infiniti Q45 - 71-15132-00

    Victor Reinz® Exhaust Pipe Flange Gasket for 2003 Infiniti Q45

    PartNumber: 71-15132-00
    Product Specifications
    • Notes: Exhaust Connector; Rear
    • Location: At Converter
    • UPC: 023913686680
    • Part Description: Exhaust Pipe Flange Gasket
    More Info
    $4.48
  • OEM 2003 Infiniti Q45 Front Catalytic Converter Diagram - 20020-CR91A
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    OEM (Genuine) 2003 Infiniti Q45 Front Catalytic Converter

    PartNumber: 20020-CR91A
    OEM 2003 Infiniti Q45 Front Catalytic Converter - 20020-CR91A
    Product Specifications
    • Other Names: Converter & Pipe, Front Pipe
    • Item Dimensions: 48.9 x 30.6 x 5.2 inches
    • Item Weight: 44.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20020-CR910, 20020-CR900
    • Part Description: Front Catalytic Converter
    More Info
    $1540.30 MSRP: $1854.61
    You Save: $314.31 (17%)
  • OEM 2003 Infiniti Q45 Front Catalytic Converter Diagram - 20020-CR91A
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    OEM (Genuine) 2003 Infiniti Q45 Front Catalytic Converter

    PartNumber: 20020-CR91A
    OEM 2003 Infiniti Q45 Front Catalytic Converter - 20020-CR91A
    Product Specifications
    • Other Names: Converter & Pipe, Front Pipe
    • Item Dimensions: 48.9 x 30.6 x 5.2 inches
    • Item Weight: 44.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20020-CR910, 20020-CR900
    • Part Description: Front Catalytic Converter
    More Info
    $1540.30 MSRP: $1854.61
    You Save: $314.31 (17%)
  • OEM 2003 Infiniti Q45 Front Catalytic Converter Diagram - 20020-CR91A
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    OEM (Genuine) 2003 Infiniti Q45 Front Catalytic Converter

    PartNumber: 20020-CR91A
    OEM 2003 Infiniti Q45 Front Catalytic Converter - 20020-CR91A
    Product Specifications
    • Other Names: Converter & Pipe, Front Pipe
    • Item Dimensions: 48.9 x 30.6 x 5.2 inches
    • Item Weight: 44.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 20020-CR910, 20020-CR900
    • Part Description: Front Catalytic Converter
    More Info
    $1540.30 MSRP: $1854.61
    You Save: $314.31 (17%)
  • Victor Reinz Graphite And Metal Exhaust Pipe Flange Gasket for 2003 Infiniti Q45 - 71-15162-00

    Victor Reinz® Graphite And Metal Exhaust Pipe Flange Gasket for 2003 Infiniti Q45

    PartNumber: 71-15162-00
    Product Specifications
    • Notes: Exhaust Connector
    • Bolt Hole Quantity: 2
    • Inside Diameter: 2.515"
    • Location: Converter
    • Material: Graphite and Metal
    • Thickness: 0.065"
    • Type: Flat
    • UPC: 023913686543
    • Part Description: Graphite And Metal Exhaust Pipe Flange Gasket
    More Info
    $4.16
  • OEM 2003 Infiniti Q45 Manifold Assembly-Exhaust W/CAT Diagram - 14002-CR90A
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    OEM (Genuine) 2003 Infiniti Q45 Manifold Assembly-Exhaust W/CAT

    PartNumber: 14002-CR90A
    OEM 2003 Infiniti Q45 Manifold Assembly-Exhaust W/CAT - 14002-CR90A
    Product Specifications
    • Location: Driver Side
    • Other Names: Exhaust Manifold
    • Item Dimensions: 31.8 x 10.9 x 6.1 inches
    • Item Weight: 18.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 14002-CR900
    • Part Description: Manifold Assembly-Exhaust W/CAT
    More Info
    $1196.26 MSRP: $1629.45
    You Save: $433.19 (27%)
  • OEM 2003 Infiniti Q45 Manifold Exhaust W/CAT Diagram - 14002-CR910
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    OEM (Genuine) 2003 Infiniti Q45 Manifold Exhaust W/CAT

    PartNumber: 14002-CR910
    OEM 2003 Infiniti Q45 Manifold Exhaust W/CAT - 14002-CR910
    Product Specifications
    • Location: Passenger Side
    • Other Names: Exhaust Manifold
    • Item Dimensions: 31.3 x 11.0 x 6.8 inches
    • Item Weight: 19.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Manifold Exhaust W/CAT
    More Info
    $1184.50 MSRP: $1613.32
    You Save: $428.82 (27%)
  • OEM 2003 Infiniti Q45 Stud Diagram - 14064-JG30A
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    OEM (Genuine) 2003 Infiniti Q45 Stud

    PartNumber: 14064-JG30A
    OEM 2003 Infiniti Q45 Stud - 14064-JG30A
    Product Specifications
    • Other Names: Exhaust Manifold Stud, Turbocharger Stud
    • Item Dimensions: 1.9 x 0.5 x 0.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 14064-WF701
    • Part Description: Stud
    More Info
    $1.86 MSRP: $2.52
    You Save: $0.66 (27%)
  • OEM 2003 Infiniti Q45 Gasket-Exhaust Manifold, A Diagram - 14036-AR000
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    OEM (Genuine) 2003 Infiniti Q45 Gasket-Exhaust Manifold, A

    PartNumber: 14036-AR000
    OEM 2003 Infiniti Q45 Gasket-Exhaust Manifold, A - 14036-AR000
    Product Specifications
    • Location: Driver Side; Passenger Side
    • Other Names: Exhaust Manifold Gasket, Manifold Gasket
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Gasket-Exhaust Manifold, A
    More Info
    $35.70 MSRP: $48.98
    You Save: $13.28 (28%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-JM00A
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    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-JM00A
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-JM00A
    Product Specifications
    • Notes: Muffler, Rear
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 2.9 x 1.8 x 1.3 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Replaces: 20651-00Q0D, 20651-5L710
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $20.63 MSRP: $28.08
    You Save: $7.45 (27%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-JM00A
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    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-JM00A
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-JM00A
    Product Specifications
    • Notes: Muffler, Rear
    • Location: Driver Side; Passenger Side
    • Item Dimensions: 2.9 x 1.8 x 1.3 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Replaces: 20651-00Q0D, 20651-5L710
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $20.63 MSRP: $28.08
    You Save: $7.45 (27%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-5L300
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    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-5L300
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-5L300
    Product Specifications
    • Notes: Muffler, Front
    • Item Dimensions: 2.6 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $17.53 MSRP: $23.83
    You Save: $6.30 (27%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-5L300
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    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-5L300
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-5L300
    Product Specifications
    • Notes: Muffler, Front
    • Item Dimensions: 2.6 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $17.53 MSRP: $23.83
    You Save: $6.30 (27%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-5L300
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    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-5L300
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-5L300
    Product Specifications
    • Notes: Muffler, Front
    • Item Dimensions: 2.6 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $17.53 MSRP: $23.83
    You Save: $6.30 (27%)
  • OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber Diagram - 20651-5L300
    View Related Parts

    OEM (Genuine) 2003 Infiniti Q45 Mounting-Exhaust, Rubber

    PartNumber: 20651-5L300
    OEM 2003 Infiniti Q45 Mounting-Exhaust, Rubber - 20651-5L300
    Product Specifications
    • Notes: Muffler, Front
    • Item Dimensions: 2.6 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting-Exhaust, Rubber
    More Info
    $17.53 MSRP: $23.83
    You Save: $6.30 (27%)
  • OEM 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber Diagram - 20650-5L300
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    OEM (Genuine) 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber

    PartNumber: 20650-5L300
    OEM 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber - 20650-5L300
    Product Specifications
    • Notes: Resonator & Pipe
    • Location: Driver Side; Passenger Side
    • Other Names: Hanger, Muffler Mount
    • Item Dimensions: 2.9 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting Assy-Exhaust, Rubber
    More Info
  • OEM 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber Diagram - 20650-5L300
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    OEM (Genuine) 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber

    PartNumber: 20650-5L300
    OEM 2003 Infiniti Q45 Mounting Assy-Exhaust, Rubber - 20650-5L300
    Product Specifications
    • Notes: Resonator & Pipe
    • Location: Driver Side; Passenger Side
    • Other Names: Hanger, Muffler Mount
    • Item Dimensions: 2.9 x 1.9 x 1.2 inches
    • Item Weight: 0.70 Pounds
    • Material: Rubber
    • Fitment Type: Direct Replacement
    • Part Description: Mounting Assy-Exhaust, Rubber
    More Info
  • Davico Exhaust Manifold with Integrated Catalytic Converter for 2003 Infiniti Q45 - 17197

    Davico® Exhaust Manifold with Integrated Catalytic Converter for 2003 Infiniti Q45

    PartNumber: 17197
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Manifold Converter
    • Height: 10"
    • Inlet Type: 12 Bolt Fixed Flange
    • Length: 29"
    • O2 Sensor: with 1 O2 Sensor Port
    • Outlet Type: 2 Bolt Fixed Flange
    • Packaging Type: Boxed
    • Sensor Port Count: 1
    • UPC: 841809137098
    • Width: 11"
    • Part Description: Exhaust Manifold with Integrated Catalytic Converter
    More Info
  • Davico Exhaust Manifold with Integrated Catalytic Converter for 2003 Infiniti Q45 - 17497

    Davico® Exhaust Manifold with Integrated Catalytic Converter for 2003 Infiniti Q45

    PartNumber: 17497
    Product Specifications
    • Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Manifold Converter
    • Inlet Type: 12 Bolt Fixed Flange
    • Length: 29"
    • O2 Sensor: with 1 O2 Sensor Port
    • Outlet Type: 2 Bolt Fixed Flange
    • Position: Passenger Side
    • Sensor Port Count: 1
    • UPC: 841809137104
    • Part Description: Exhaust Manifold with Integrated Catalytic Converter
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Main Muffler Assembly Diagram - 20100-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Main Muffler Assembly

    PartNumber: 20100-AR200
    OEM 2003 Infiniti Q45 Exhaust Main Muffler Assembly - 20100-AR200
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 37.1 x 19.6 x 7.1 inches
    • Item Weight: 27.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Main Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Main Muffler Assembly Diagram - 20100-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Main Muffler Assembly

    PartNumber: 20100-AR200
    OEM 2003 Infiniti Q45 Exhaust Main Muffler Assembly - 20100-AR200
    Product Specifications
    • Other Names: Muffler
    • Item Dimensions: 37.1 x 19.6 x 7.1 inches
    • Item Weight: 27.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Main Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly Diagram - 20300-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Exhaust Sub Muffler Assembly

    PartNumber: 20300-AR200
    OEM 2003 Infiniti Q45 Exhaust Sub Muffler Assembly - 20300-AR200
    Product Specifications
    • Other Names: Intermediate Pipe, Resonator & Pipe
    • Item Dimensions: 68.6 x 29.9 x 8.4 inches
    • Item Weight: 38.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Exhaust Sub Muffler Assembly
    More Info
  • OEM 2003 Infiniti Q45 Cover-Exhaust Manifold Diagram - 16590-AR21A
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    OEM (Genuine) 2003 Infiniti Q45 Cover-Exhaust Manifold

    PartNumber: 16590-AR21A
    OEM 2003 Infiniti Q45 Cover-Exhaust Manifold - 16590-AR21A
    Product Specifications
    • Location: Passenger Side
    • Item Dimensions: 20.1 x 8.8 x 4.2 inches
    • Item Weight: 2.50 Pounds
    • Replaces: 16590-AR211
    • Part Description: Cover-Exhaust Manifold
    More Info
  • OEM 2003 Infiniti Q45 Cover-Exhaust Manifold Diagram - 16590-CW00A
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    OEM (Genuine) 2003 Infiniti Q45 Cover-Exhaust Manifold

    PartNumber: 16590-CW00A
    OEM 2003 Infiniti Q45 Cover-Exhaust Manifold - 16590-CW00A
    Product Specifications
    • Location: Driver Side
    • Other Names: Heat Shield
    • Item Dimensions: 21.0 x 6.6 x 2.0 inches
    • Item Weight: 2.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16590-AR201
    • Part Description: Cover-Exhaust Manifold
    More Info
  • OEM 2003 Infiniti Q45 Insulator Assy-Front Tube Diagram - 20510-AR200
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    OEM (Genuine) 2003 Infiniti Q45 Insulator Assy-Front Tube

    PartNumber: 20510-AR200
    OEM 2003 Infiniti Q45 Insulator Assy-Front Tube - 20510-AR200
    Product Specifications
    • Notes: Front, Lower
    • Other Names: Exhaust Shield
    • Item Dimensions: 28.4 x 9.4 x 2.4 inches
    • Item Weight: 1.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Insulator Assy-Front Tube
    More Info
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