2005 Buick LeSabre Catalytic Converters

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Keep Your 2005 Buick LeSabre in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2005 Buick LeSabre looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converters and Catalytic Converter Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Catalytic Converters from Trusted Brands

Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like MagnaFlow and Walker. For example, MagnaFlow Catalytic Converters start at just $196.99 with an average 4.1 star rating. Walker offer similar pricing and quality, backed by strong customer feedback. With over 74 reviews and a solid 3.6 star average, you can shop with confidence knowing other Buick LeSabre owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2005 Buick LeSabre Catalytic Converter at Advance Auto Parts is around $580.64, with a range that starts at $19.79 and goes up to $1,886.00. With 12 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM, MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51306, and MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51333 start at just $204.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Manifold and Headers and Exhaust Mufflers. At Advance Auto Parts, we’re here to help you keep your 2005 Buick LeSabre in peak condition, inside and out.

Essential 2005 Buick LeSabre Catalytic Converters

MagnaFlow – MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94016 (Part No.94016)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94016

from

$137.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94016. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 3322306 (Part No.3322306)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 3322306

from

$611.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 3322306. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM (Part No.99306HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM

from

$204.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99306HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 82917" (Part No.82917)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 82917"

from

$1218.00
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94015 (Part No.94015)

MagnaFlow Standard Grade Federal / Epa Compliant Universal Catalytic Converter, 94015

from

$137.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 94015. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design. With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 4481464 (Part No.4481464)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 4481464

from

$1323.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4481464. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 4481464 includes (1) Donut Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386" (Part No.16386)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386"

from

$365.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 15817" (Part No.15817)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 15817"

from

$637.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209 (Part No.51209)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23447 (Part No.23447)

MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23447

from

$331.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23447. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 418006 (Part No.418006)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 418006

from

$477.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418006. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23128 (Part No.23128)

MagnaFlow Standard Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23128

from

$262.99
Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23128. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 23128 includes (1) Donut Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304" (Part No.93304)

"Walker Ultra EPA Universal Catalytic Converter 3"" Inlet (ID) 3"" Outlet (ID), 93304"

from

$348.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 (Part No.51206)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – Walker Exhaust Pipe Flange Gasket, 31357 (Part No.31357)

Walker Exhaust Pipe Flange Gasket, 31357

from

$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31605 (Part No.31605)

Walker Exhaust Pipe Flange Gasket, 31605

from

$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31372 (Part No.31372)

Walker Exhaust Pipe Flange Gasket, 31372

from

$11.99
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31511 (Part No.31511)

Walker Exhaust Pipe Flange Gasket, 31511

from

$13.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31557 (Part No.31557)

Walker Exhaust Pipe Flange Gasket, 31557

from

$12.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Most Popular Catalytic Converters for 2005 Buick LeSabres

Enhance your 2005 Buick LeSabre with one of the 11 Catalytic Converters we have in stock, starting at just $196.99.

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386" (Part No.16386)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386"

from

$365.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM (Part No.99306HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM

from

$204.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99306HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Walker – "Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253" (Part No.93253)

"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253"

from

$365.99
Designed to meet EPA emissions requirements while delivering premium performance and durability, Walker Ultra universal catalytic converters fit import and domestic OBDII (1996 and newer) vehicles. Each converter features an OE style high technology washcoat with an optimal precious metal load for assured compliance.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM (Part No.99209HM)

MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99209HM

from

$196.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99209HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51306 (Part No.51306)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51306

from

$221.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51306. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24204 (Part No.24204)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24204

from

$332.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24204. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 24204 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
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Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.625"" Outlet (OD), 84596" (Part No.84596)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.625"" Outlet (OD), 84596"

from

$1886.00
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507" (Part No.84507)

"Walker CalCat CARB Universal Catalytic Converter 3"" Inlet (ID) 2.75"" Outlet (ID), 84507"

from

$1423.00
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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MagnaFlow – MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5461333 (Part No.5461333)

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 5461333

from

$1386.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5461333. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 5461333 includes (1) Flange Gasket. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51333 (Part No.51333)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51333

from

$349.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51333. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 51333 includes (1) Flange Gasket. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209 (Part No.51209)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51209

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51209. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.
See More

Best-Selling 2005 Buick LeSabre Catalytic Converter Gasket

Upgrade your LeSabre with our best-selling Catalytic Converter Gasket with a 3 Starts rating across 2 reviews.

Walker – Walker Exhaust Pipe Flange Gasket, 31605 (Part No.31605)

Walker Exhaust Pipe Flange Gasket, 31605

from

$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
See More

Top-Rated Catalytic Converter Brands For Your 2005 Buick LeSabre

When it comes to finding the perfect Catalytic Converter for your 2005 Buick LeSabre, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including Walker and MagnaFlow, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $196.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2005 Buick LeSabre, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2005 Buick LeSabre Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2005 Buick LeSabre, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 2 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $365.99, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2005 Buick LeSabre come highly rated, with over 23 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386"
from $365.99
(11)
"Walker Ultra EPA Direct Fit Catalytic Converter 2.5"" Outlet (OD), 16386"
“quiet , fit great thanks”
"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253"
from $365.99
(12)
"Walker Ultra EPA Universal Catalytic Converter 2.5"" Inlet (ID) 2.5"" Outlet (ID), 93253"
“Good product but very little room for error when cutting off old catalytic converter and matching up to new.”

Top-Quality MagnaFlow 2005 Buick LeSabre Catalytic Converters

For those in search of a high-quality Catalytic Converter for their 2005 Buick LeSabre, Advance Auto Parts offers a great selection of MagnaFlow Catalytic Converters. With 2 MagnaFlow Catalytic Converters in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Catalytic Converters start at just $196.99, with an average price of $200.99, giving you a range of options to suit your budget. Backed by over 7 customer ratings and an average rating of 4.1 stars, MagnaFlow Catalytic Converters provide both reliability and excellent performance. Choosing a MagnaFlow Catalytic Converter from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM
from $204.99
(6)
MagnaFlow Hm Grade Federal / Epa Compliant Universal Catalytic Converter, 99306HM
“Worked perfect for the car, enough back pressure the “check engine” light doesn’t come on. It is a little louder than stock converter, but definitely ”

FAQs for 2005 Buick LeSabre Catalytic Converters

What are the best-selling Catalytic Converters for 2005 Buick LeSabres?

Out of 12 Catalytic Converters that fit 2005 Buick LeSabres, the following parts are the top sellers:

What’s the price range for 2005 Buick LeSabre Catalytic Converters?

The prices of Catalytic Converters for the 2005 Buick LeSabre range from $19.79 up to $1,886.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2005 Buick LeSabre?

The average price for Catalytic Converters for the 2005 Buick LeSabre is $580.64. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Buick LeSabre model years?

Yes, we carry Catalytic Converters for 29 model years of Buick LeSabres between 1975 and 2004. The following model years are the most popular for Catalytic Converter purchases: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Catalytic Converters for my 2005 Buick LeSabre?

Does Advance Auto Parts sell Catalytic Converters for any other 2005 Buick models?

Yes. We stock Catalytic Converters for 5 other popular 2005 Buick models. Some of the most popular are 2005 Century Catalytic Converters, 2005 LaCrosse Catalytic Converters, 2005 Park Avenue Catalytic Converters, 2005 Rainier Catalytic Converters, and 2005 Rendezvous Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2005 Buick LeSabre?

Based on 74 reviews by customers, our 2005 Buick LeSabre Catalytic Converters have an average customer rating of 3.6 stars. These are the highest-rated categories of Catalytic Converters for the 2005 Buick LeSabre and their top-rated products:

What types of Catalytic Converters do you sell for my 2005 Buick LeSabre?

As of 8/2/26, these are some of the most in-demand types of Catalytic Converters for a 2005 Buick LeSabre:

Can I get help with 2005 Buick LeSabre Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Catalytic Converters and more.

What is your return policy for Buick LeSabre Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Buick LeSabre Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.