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Catalytic Converter for 1990 Buick LeSabre

We have 31 Items In-stock.

Magnaflow 49-State Legal Semi-Universal Catalytic Converter

  • Not legal for use in California or in states adopting the California emissions standards
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$72.07 $93.27 You Save $21.20 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6691005
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 9 in. L x 6.5 in. W x 4 in. H, 13 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Custom, Limited, Base
See more
Customer Review: (see review/s)
  • Product was delivered on time and works great! Passed emissions with incredible numbers immediately after the weld. Thanks!

    posted by: denmother4 on June 18, 2009

  • view all 5 reviews

Magnaflow 49-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

Best Seller
$79.35 $102.69 You Save $23.34 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6694015
  • Series: Magnaflow 49-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 12 in. L x 6.5 in. W x 4 in. H, 16 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 8 Cyl 5.0L | Estate Wagon
See more
Customer Review: (see review/s)
  • This part worked great and looks good on my car. Was easy to install.

    posted by: camarokng on March 30, 2009

Magnaflow California Legal Semi-Universal Catalytic Converter

  • 50-State/California Legal
  • Semi-universal design – cut out your old catalytic converter and weld in the new one
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These semi-universal 50-State Legal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

Magnaflow 50-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

$184.75 $239.09 You Save $54.34 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66332005
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-117
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Inlet/Outlet Size : 2.25in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Base, Custom, Limited
See more

Magnaflow 50-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

$184.75 $239.09 You Save $54.34 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66332004
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-117
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Inlet/Outlet Size : 2in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Custom, Limited, Base
See more

Magnaflow 50-State Semi-Universal Catalytic Converter - Traditional Converter, Semi-Universal

$184.75 $239.09 You Save $54.34 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66332006
  • Series: Magnaflow 50-State Semi-Universal
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Stainless Steel
  • E O Number: D-193-117
  • Anticipated Ship Out Time: 1-2 Business Days
  • Notes: Inlet/Outlet Size : 2.5in. I.D.
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Base, Custom, Limited
See more

Magnaflow 48-State Legal Direct Fit Catalytic Converters

  • Not legal for use in California or New York
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These 48-State Legal direct-fit catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow 49-State Direct Fit Catalytic Converter - Traditional Converter, Direct Fit

Best Seller
$122.90 $159.05 You Save $36.15 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6623447
  • Series: Magnaflow 49-State Direct Fit
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 22.75 in. overall length
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 8 Cyl 5.0L | Estate Wagon
See more

Magnaflow 49-State Direct Fit Catalytic Converter - Traditional Converter, Direct Fit

$124.47 $161.08 You Save $36.61 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M6623422
  • Series: Magnaflow 49-State Direct Fit
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 37.38 in. overall length
  • Notes: Gaskets Included
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Base, Custom, Limited
See more
Customer Review: (see review/s)
  • I put this product in an 89 lesabre. Was not too hard to unstall. ALso put the magnaflow muffler in as well and the gas milage has been good and all the parts i've put into the car have been going well so far... If ya putting ball joints in a car moog are the best i have used... b

    posted by: bddeathstar on July 20, 2009

Magnaflow California Legal Direct-Fit Catalytic Converters

  • California/50-State Legal
  • Easy bolt-on Installation with no cutting, welding or bending required
  • Stainless Steel Construction
  • Legendary Magnaflow quality, power, and sound
  • Ceramic, honeycomb catalyst designed for maximum flow and surface area

When you want the best, you want Magnaflow!  These direct-fit 50-State Legal catalytic converters are specifically designed to fit your vehicle with a no-hassle installation – no cutting, welding, or bending required.  Engineered to cut emissions and improve performance.

Magnaflow 50-State Direct-Fit Catalytic Converter - Traditional Converter, Direct Fit

$261.36 $338.23 You Save $76.87 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66332422
  • Series: Magnaflow 50-State Direct-Fit
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • E O Number: D-193-117
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Base, Custom, Limited
See more

Magnaflow 50-State Direct-Fit Catalytic Converter - Traditional Converter, Direct Fit

$288.49 $373.34 You Save $84.85 (23%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: M66332447
  • Series: Magnaflow 50-State Direct-Fit
  • Type: Traditional Converter
  • Emissions: 50-State Legal
  • Product Fit: Direct Fit
  • Quantity Sold: Assembly
  • Tube Material: Stainless Steel
  • E O Number: D-193-117
  • Anticipated Ship Out Time: 1-2 Business Days
  • Warranty: Magnaflow 25,000 Mile Limited Warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 8 Cyl 5.0L | Estate Wagon
See more

Eastern - Universal Catalytic Converters (48-State Legal - No CA, No NY)

EASTERN - UNIVERSAL CATALYTIC CONVERTERS (48-STATE LEGAL - NO CA, NO NY)

Eastern's universal catalytic converters are durably designed and powered with NANO technology for highly efficient, long-lasting function. Since 1976, Eastern Catalytic has specialized in engineering world-class catalytic converters for the automotive aftermarket.

  • NANO technology delivers better converter efficiency
  • Brings optimum engine performance
  • Complete range of outlet and inlet diameters
  • Non-directional for ease of installation
Note:
  • 48-state legal - not for sale or use in California or New York; cannot be shipped to California or New York addresses.

Eastern Standard Catalytic Converter - Traditional Converter, Semi-Universal

$51.82 $61.15 You Save $9.33 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: EAST70317
  • Series: Eastern Standard
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 6 x 4.25 x 10 in., 14 in. overall length
  • Replaces OE Number: 5325501, 25143637, F4SZ5F250C, KL0120600A
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 6 Cyl 3.8L | Custom, Limited, Base
See more
Customer Review: (see review/s)
  • CATALYTIC CONVERTER WORKED PERFECT WASEASY TO INSTALL AND WAS A GOOD PRICE.

    posted by: ART. on June 11, 2014

  • view all 13 reviews

Eastern Standard Catalytic Converter - Traditional Converter, Semi-Universal

$48.65 $57.41 You Save $8.76 (15%)
Add to Cart
Availability: In Stock
Only from APW Rewards
  • Sku#: EAST70421
  • Series: Eastern Standard
  • Type: Traditional Converter
  • Emissions: 48-State Legal (Cannot Ship to CA or NY)
  • Product Fit: Semi-Universal
  • Quantity Sold: Sold Individually
  • Tube Material: Aluminized Steel
  • Anticipated Ship Out Time: 1-2 Business Days
  • Dimensions: 6 x 4.25 x 10 in., 14 in. overall length
  • Warranty: 5-year or 50,000-mile Eastern limited warranty
See more

Fits the following 1990 Buick LeSabre Submodels

  • 8 Cyl 5.0L | Estate Wagon
See more
Customer Review: (see review/s)
  • was a bit smaller than ordiginal, but fit into space provided quite well. Required some modification to the exhaust system, like using reducers to fit into the intake fiottings. I had to go from a 2" to a 2 1/2" by using 2 coupl;ers and brazing them together and then brazing to the cat.

    posted by: Feldspar on July 23, 2011

  • view all 2 reviews

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