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Replacement and OEM Parts for Buick LaCrosse Catalytic Converter
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Buick LaCrosse Catalytic Converter

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Catalytic Converters
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  • OEM Buick LaCrosse Preconverter Gasket Diagram - 24505057
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    OEM (Genuine) Buick LaCrosse Preconverter Gasket

    PartNumber: 24505057
    OEM Buick LaCrosse Preconverter Gasket - 24505057
    Product Specifications
    • Item Dimensions: 3.8 x 3.6 x 0.3 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter Gasket
    More Info
    $11.52 MSRP: $18.28
    You Save: $6.76 (37%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 25798276
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 25798276
    OEM Buick LaCrosse Converter & Pipe - 25798276
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 13.6 x 6.9 x 5.6 inches
    • Item Weight: 7.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418937
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $718.13 MSRP: $1070.50
    You Save: $352.37 (33%)
  • MagnaFlow Universal Catalytic Converter - 2.25in. for Buick LaCrosse - 5411305

    MagnaFlow® Universal Catalytic Converter - 2.25in. for Buick LaCrosse

    PartNumber: 5411305
    Product Specifications
    • Air Tube: No
    • Catalytic Converter Body Length: 11.125"
    • Catalytic Converter Format: Pre-Catalytic Converter and Main Catalytic Converter
    • Catalytic Converter Overall Length: 11.125"
    • Catalytic Converter Substrate Material: Ceramic
    • Catalytic Converter Width: 4"
    • Catalytic Inlet Diameter: 2.25"
    • Catalytic Outlet Diameter: 2.25"
    • Catalytic Style: Non-Heatshield Covered
    • Converter Body Material: Stainless Steel
    • Converter Configuration: Universal Fit
    • Converter Inlet - Outlet Configuration: Straight Inlet-Straight Outlet
    • Installation Complexity: Professional Installation Recommended
    • O2 Sensor Port: No
    • Part Description: Buick LaCrosse Universal Catalytic Converter - 2.25in.
    More Info
    $718.00
  • OEM Buick LaCrosse Preconverter Gasket Diagram - 20893953
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    OEM (Genuine) Buick LaCrosse Preconverter Gasket

    PartNumber: 20893953
    OEM Buick LaCrosse Preconverter Gasket - 20893953
    Product Specifications
    • Item Dimensions: 6.0 x 3.7 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15909123
    • Part Description: Buick LaCrosse Preconverter Gasket
    More Info
    $5.50 MSRP: $8.72
    You Save: $3.22 (37%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 20907468
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 20907468
    OEM Buick LaCrosse Converter & Pipe - 20907468
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 13.3 x 6.9 x 4.8 inches
    • Item Weight: 7.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418936
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $754.27 MSRP: $1125.00
    You Save: $370.73 (33%)
  • OEM Buick LaCrosse Converter Diagram - 22794842
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    OEM (Genuine) Buick LaCrosse Converter

    PartNumber: 22794842
    OEM Buick LaCrosse Converter - 22794842
    Product Specifications
    • Item Dimensions: 13.4 x 6.6 x 5.1 inches
    • Item Weight: 10.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418940
    • Part Description: Buick LaCrosse Converter
    More Info
    $1271.41 MSRP: $1905.00
    You Save: $633.59 (34%)
  • OEM Buick LaCrosse Preconverter Gasket Diagram - 22997477
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    OEM (Genuine) Buick LaCrosse Preconverter Gasket

    PartNumber: 22997477
    OEM Buick LaCrosse Preconverter Gasket - 22997477
    Product Specifications
    • Item Dimensions: 6.0 x 4.0 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter Gasket
    More Info
    $1.28 MSRP: $1.92
    You Save: $0.64 (34%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 19332467
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 19332467
    OEM Buick LaCrosse Converter & Pipe - 19332467
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 38.1 x 7.2 x 5.1 inches
    • Item Weight: 21.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 15861402
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $984.71 MSRP: $1545.00
    You Save: $560.29 (37%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 20894012
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 20894012
    OEM Buick LaCrosse Converter & Pipe - 20894012
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 15.8 x 8.4 x 5.8 inches
    • Item Weight: 8.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418943
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $1045.99 MSRP: $1565.00
    You Save: $519.01 (34%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 20907414
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 20907414
    OEM Buick LaCrosse Converter & Pipe - 20907414
    Product Specifications
    • Other Names: Converter & Pipe
    • Item Dimensions: 8.9 x 4.9 x 15.3 inches
    • Item Weight: 8.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19418933
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $1145.44 MSRP: $1715.00
    You Save: $569.56 (34%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 15777196
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 15777196
    OEM Buick LaCrosse Converter & Pipe - 15777196
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 37.1 x 13.8 x 6.9 inches
    • Item Weight: 16.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $2206.50 MSRP: $3315.40
    You Save: $1108.90 (34%)
  • OEM Buick LaCrosse Rear Hanger Gasket Diagram - 22816982
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    OEM (Genuine) Buick LaCrosse Rear Hanger Gasket

    PartNumber: 22816982
    OEM Buick LaCrosse Rear Hanger Gasket - 22816982
    Product Specifications
    • Item Dimensions: 5.4 x 4.1 x 0.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 13229873
    • Part Description: Buick LaCrosse Rear Hanger Gasket
    More Info
    $6.98 MSRP: $10.52
    You Save: $3.54 (34%)
  • OEM Buick LaCrosse Converter & Pipe Diagram - 15861401
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    OEM (Genuine) Buick LaCrosse Converter & Pipe

    PartNumber: 15861401
    OEM Buick LaCrosse Converter & Pipe - 15861401
    Product Specifications
    • Other Names: Catalytic Converter, Converter & Pipe
    • Item Dimensions: 38.8 x 10.5 x 6.4 inches
    • Item Weight: 14.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Converter & Pipe
    More Info
    $1037.48 MSRP: $1552.17
    You Save: $514.69 (34%)
  • OEM Buick LaCrosse Converter & Pipe Gasket Diagram - 10328740
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    OEM (Genuine) Buick LaCrosse Converter & Pipe Gasket

    PartNumber: 10328740
    OEM Buick LaCrosse 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: Buick LaCrosse Converter & Pipe Gasket
    More Info
    $21.31 MSRP: $32.16
    You Save: $10.85 (34%)
  • OEM Buick LaCrosse Preconverter Diagram - 22737796
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 22737796
    OEM Buick LaCrosse Preconverter - 22737796
    Product Specifications
    • Other Names: Exhaust Manifold, Preconverter
    • Item Dimensions: 15.8 x 6.7 x 4.8 inches
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $1366.44 MSRP: $2048.33
    You Save: $681.89 (34%)
  • OEM Buick LaCrosse Preconverter Diagram - 22737797
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 22737797
    OEM Buick LaCrosse Preconverter - 22737797
    Product Specifications
    • Other Names: Exhaust Manifold, Preconverter
    • Item Dimensions: 15.3 x 6.9 x 4.9 inches
    • Item Weight: 7.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $1076.97 MSRP: $1611.73
    You Save: $534.76 (34%)
  • OEM Buick LaCrosse Preconverter Diagram - 20965398
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 20965398
    OEM Buick LaCrosse Preconverter - 20965398
    Product Specifications
    • Item Dimensions: 15.2 x 7.1 x 5.3 inches
    • Item Weight: 7.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $1047.79 MSRP: $1567.71
    You Save: $519.92 (34%)
  • OEM Buick LaCrosse Preconverter Diagram - 20894010
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 20894010
    OEM Buick LaCrosse Preconverter - 20894010
    Product Specifications
    • Item Dimensions: 15.7 x 8.3 x 6.2 inches
    • Item Weight: 8.10 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $1238.28 MSRP: $1855.04
    You Save: $616.76 (34%)
  • OEM Buick LaCrosse Preconverter Diagram - 20965402
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 20965402
    OEM Buick LaCrosse Preconverter - 20965402
    Product Specifications
    • Item Dimensions: 16.0 x 8.6 x 6.0 inches
    • Item Weight: 8.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 19419593
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $1027.24 MSRP: $1536.73
    You Save: $509.49 (34%)
  • OEM Buick LaCrosse Catalytic Converter Diagram - 12676948
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    OEM (Genuine) Buick LaCrosse Catalytic Converter

    PartNumber: 12676948
    OEM Buick LaCrosse Catalytic Converter - 12676948
    Product Specifications
    • Other Names: Catalytic Converter
    • Item Dimensions: 16.7 x 7.0 x 6.0 inches
    • Item Weight: 10.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Catalytic Converter
    More Info
    $493.76 MSRP: $732.09
    You Save: $238.33 (33%)
  • OEM Buick LaCrosse Preconverter Diagram - 22975354
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 22975354
    OEM Buick LaCrosse Preconverter - 22975354
    Product Specifications
    • Other Names: Catalytic Converter, Preconverter
    • Item Dimensions: 15.7 x 6.3 x 4.8 inches
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $533.86 MSRP: $792.56
    You Save: $258.70 (33%)
  • OEM Buick LaCrosse Preconverter Diagram - 84462801
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 84462801
    OEM Buick LaCrosse Preconverter - 84462801
    Product Specifications
    • Other Names: Catalytic Converter, Preconverter
    • Item Dimensions: 21.3 x 8.8 x 6.3 inches
    • Item Weight: 7.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84215483
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $558.27 MSRP: $829.39
    You Save: $271.12 (33%)
  • OEM Buick LaCrosse Preconverter Diagram - 84129723
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 84129723
    OEM Buick LaCrosse Preconverter - 84129723
    Product Specifications
    • Other Names: Catalytic Converter, Preconverter
    • Item Dimensions: 16.0 x 6.2 x 4.8 inches
    • Item Weight: 6.90 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $389.02 MSRP: $574.09
    You Save: $185.07 (33%)
  • OEM Buick LaCrosse Preconverter Diagram - 85137396
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    OEM (Genuine) Buick LaCrosse Preconverter

    PartNumber: 85137396
    OEM Buick LaCrosse Preconverter - 85137396
    Product Specifications
    • Other Names: Catalytic Converter, Preconverter
    • Fitment Type: Direct Replacement
    • Part Description: Buick LaCrosse Preconverter
    More Info
    $433.97 MSRP: $641.91
    You Save: $207.94 (33%)
  • OEM Buick LaCrosse Converter & Pipe Gasket Diagram - 15286606
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    OEM (Genuine) Buick LaCrosse Converter & Pipe Gasket

    PartNumber: 15286606
    OEM Buick LaCrosse Converter & Pipe Gasket - 15286606
    Product Specifications
    • 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: Buick LaCrosse Converter & Pipe Gasket
    More Info
    $20.85 MSRP: $31.46
    You Save: $10.61 (34%)
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse - 19359

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse

    PartNumber: 19359
    Product Specifications
    • Catalytic Converter Overall Length: 37.875"
    • Converter Configuration: Direct Fit
    • Inlet Type: 2 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: 2 Bolt Fixed Flange
    • Position: Center
    • Part Description: Buick LaCrosse Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $206.16
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse - 19445

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse

    PartNumber: 19445
    Product Specifications
    • Catalytic Converter Body Height: 9"
    • Catalytic Converter Overall Length: 34.5"
    • Catalytic Converter Width: 10"
    • Converter Configuration: Direct Fit
    • Inlet Type: 2 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: 2 Bolt Fixed Flange
    • Packaging Type: Boxed
    • Position: Center
    • Part Description: Buick LaCrosse Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $317.05
  • MagnaFlow OBDII Spun Universal Fit Round Body Catalytic Converter for Buick LaCrosse - 551005

    MagnaFlow® OBDII Spun Universal Fit Round Body Catalytic Converter for Buick LaCrosse

    PartNumber: 551005
    Product Specifications
    • Air Tube: No
    • Body Type: Spun
    • Catalytic Converter Body Length: 7"
    • Catalytic Converter Body Shape: Round
    • Catalytic Converter Format: Pre-Catalytic Converter and Main Catalytic Converter
    • Catalytic Converter Overall Length: 7"
    • Catalytic Converter Oxygen Sensor Location: None
    • Catalytic Converter Substrate Material: Ceramic
    • Catalytic Converter Width: 4"
    • Catalytic Inlet Diameter: 2.25"
    • Catalytic Outlet Diameter: 2.25"
    • Catalytic Series: OBDII
    • Catalytic Style: Spun
    • Converter Body Material: Stainless Steel
    • Converter Configuration: Universal Fit
    • Inlet Connection Type: Weld-On
    • Installation Complexity: Professional Installation Recommended
    • O2 Sensor Port: No
    • Outlet Connection Type: Weld-On
    • Position: Front Driver Side
    • Part Description: Buick LaCrosse OBDII Spun Universal Fit Round Body Catalytic Converter
    More Info
    $465.00
  • Davico Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse - 19490

    Davico® Direct Fit Catalytic Converter and Pipe Assembly for Buick LaCrosse

    PartNumber: 19490
    Product Specifications
    • Catalytic Converter Body Height: 4"
    • Catalytic Converter Overall Length: 38"
    • Catalytic Converter Width: 10"
    • Converter Configuration: Direct Fit
    • Inlet Type: 3 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: 2 Bolt Fixed Flange
    • Packaging Type: Unboxed
    • Position: Rear
    • UPC: 841809133595
    • Part Description: Buick LaCrosse Direct Fit Catalytic Converter and Pipe Assembly
    More Info
    $304.70
  • Davico Direct Fit Catalytic Converter for Buick LaCrosse - 19510

    Davico® Direct Fit Catalytic Converter for Buick LaCrosse

    PartNumber: 19510
    Product Specifications
    • Catalytic Converter Body Height: 4"
    • Catalytic Converter Overall Length: 14"
    • Catalytic Converter Width: 5.5"
    • Converter Configuration: Direct Fit
    • Inlet Type: 4 Bolt Fixed Flange
    • O2 Sensor Port: Yes
    • Outlet Type: 2 Bolt Fixed Flange
    • Packaging Type: Boxed
    • Position: Front Passenger Side
    • Part Description: Buick LaCrosse Direct Fit Catalytic Converter
    More Info
    $224.88
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