2018 Buick Encore Catalytic Converters

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Keep Your 2018 Buick Encore 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 2018 Buick Encore looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converter Gaskets and Catalytic Converters. 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 Dorman and Walker. For example, Dorman Catalytic Converters start at just $561.99 with an average 4.2 star rating. Walker offer similar pricing and quality, backed by strong customer feedback. With over 28 reviews and a solid 4.4 star average, you can shop with confidence knowing other Buick Encore owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Buick Encore Catalytic Converter at Advance Auto Parts is around $485.67, with a range that starts at $2.99 and goes up to $1,128.00. With 12 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like "Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16777", "Walker CalCat CARB Direct Fit Catalytic Converter 2.375"" Outlet (OD), 84224", and MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52966 start at just $443.99 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 2018 Buick Encore in peak condition, inside and out.

Essential 2018 Buick Encore Catalytic Converters

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. 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.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16777" (Part No.16777)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16777"

from

$497.99
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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52966 (Part No.52966)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52966

from

$443.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52966. 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 Direct-Fit Catalytic Converter is designed to fit the 2013-2021 Buick Encore 1.4L & 2015-2021 Chevrolet Trax 1.4L. MagnaFlow 52966 includes (1) Flange Gasket and interchanges with OE parts 42444446, 94529683, 95468206. 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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854 (Part No.674-854)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854

from

$561.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.000 IN, 16953 (Part No.16953)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.000 IN, 16953

from

$1128.00
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

Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.375"" Outlet (OD), 84224" (Part No.84224)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.375"" Outlet (OD), 84224"

from

$493.99
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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Dorman – Dorman Manifold Converter – CARB Compliant, 673-854 (Part No.673-854)

Dorman Manifold Converter - CARB Compliant, 673-854

from

$1079.00
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
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Walker – "Walker CalCat CARB Direct-Fit Catalytic Converter – 2.11"" Outlet (OD), 84180" (Part No.84180)

"Walker CalCat CARB Direct-Fit Catalytic Converter - 2.11"" Outlet (OD), 84180"

from

$872.99
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 280173 (Part No.280173)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 280173

from

$939.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 280173. 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 280173 includes (3) Nuts, (4) Bolts, (1) Clamp, (3) Washers, (2) Gaskets and interchanges with OE parts 25196253, 25196720, 55569310, 55578984, 55579322. 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 Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23274 (Part No.23274)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23274

from

$355.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23274. 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 23274 includes (2) O2 Port Plugs, (1) Flange Gasket and interchanges with OE parts 4546 254AB, 4546 254AC, 4546254, 4546278, 4546946, 4546999, 4616450, 4616452, 4764140, 4764615, 4851 661AA, 4851 661AB, 5278 026AB, 5278 026AC, 5278 272AA, 5278 273AA, 5278 491AB, 5278026, 5278215, 5278491. 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 Direct Fit Catalytic Converter Overall Length 17.000 IN, 14712 (Part No.14712)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 17.000 IN, 14712

from

$706.99
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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-051 (Part No.674-051)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-051

from

$689.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
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.
See More

Walker – Walker Exhaust Pipe Flange Gasket, 31307 (Part No.31307)

Walker Exhaust Pipe Flange Gasket, 31307

from

$2.99
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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Most Popular Catalytic Converter Gasket for 2018 Buick Encores

Enhance your 2018 Buick Encore with this popular Catalytic Converter Gasket we have in stock, for $2.99.

Walker – Walker Exhaust Pipe Flange Gasket, 31307 (Part No.31307)

Walker Exhaust Pipe Flange Gasket, 31307

from

$2.99
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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Best-Selling 2018 Buick Encore Catalytic Converters

Upgrade your Encore with one of our 11 best-selling Catalytic Converters, earning an average 5 stars rating across 1 reviews.

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854 (Part No.674-854)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854

from

$561.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16777" (Part No.16777)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.375"" Outlet (OD), 16777"

from

$497.99
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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52966 (Part No.52966)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 52966

from

$443.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52966. 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 Direct-Fit Catalytic Converter is designed to fit the 2013-2021 Buick Encore 1.4L & 2015-2021 Chevrolet Trax 1.4L. MagnaFlow 52966 includes (1) Flange Gasket and interchanges with OE parts 42444446, 94529683, 95468206. 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

Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 2.375"" Outlet (OD), 84224" (Part No.84224)

"Walker CalCat CARB Direct Fit Catalytic Converter 2.375"" Outlet (OD), 84224"

from

$493.99
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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. 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 Ultra EPA Direct Fit Catalytic Converter Overall Length 14.000 IN, 16953 (Part No.16953)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 14.000 IN, 16953

from

$1128.00
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 Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 280173 (Part No.280173)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 280173

from

$939.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 280173. 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 280173 includes (3) Nuts, (4) Bolts, (1) Clamp, (3) Washers, (2) Gaskets and interchanges with OE parts 25196253, 25196720, 55569310, 55578984, 55579322. 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

Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 17.000 IN, 14712 (Part No.14712)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 17.000 IN, 14712

from

$706.99
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

Dorman – Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-051 (Part No.674-051)

Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-051

from

$689.99
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and models for a reliable replacement.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23274 (Part No.23274)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 23274

from

$355.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23274. 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 23274 includes (2) O2 Port Plugs, (1) Flange Gasket and interchanges with OE parts 4546 254AB, 4546 254AC, 4546254, 4546278, 4546946, 4546999, 4616450, 4616452, 4764140, 4764615, 4851 661AA, 4851 661AB, 5278 026AB, 5278 026AC, 5278 272AA, 5278 273AA, 5278 491AB, 5278026, 5278215, 5278491. 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 CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
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.
See More

Top-Rated Catalytic Converter Brands For Your 2018 Buick Encore

When it comes to finding the perfect Catalytic Converter for your 2018 Buick Encore, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Catalytic Converter brands including Dorman and Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $2.99. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2018 Buick Encore, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dorman 2018 Buick Encore Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2018 Buick Encore, Advance Auto Parts has exactly what you need with our selection of Dorman Catalytic Converters. We have 1 Dorman Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $561.99, you’ll find the perfect Catalytic Converter for your needs and budget. Dorman Catalytic Converters for the 2018 Buick Encore come highly rated, with over 1 customer reviews and an impressive average rating of 4.2 stars. Choosing a Dorman Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854
from $561.99
(1)
Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 674-854
“Passed right away bought good quality built”

Top-Quality Walker 2018 Buick Encore Catalytic Converters

For those in search of a high-quality Catalytic Converter for their 2018 Buick Encore, Advance Auto Parts offers a great selection of Walker Catalytic Converters. With 1 Walker 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 $2.99, giving you a range of options to suit your budget. Backed by over 5 customer ratings and an average rating of 4.2 stars, Walker Catalytic Converters provide both reliability and excellent performance. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Walker Exhaust Pipe Flange Gasket, 31307
from $2.99
(5)
Walker Exhaust Pipe Flange Gasket, 31307
“replaced gasket”

FAQs for 2018 Buick Encore Catalytic Converters

What are the best-selling Catalytic Converters for 2018 Buick Encores?

Out of 12 Catalytic Converters that fit 2018 Buick Encores, the following parts are the top sellers:

What’s the price range for 2018 Buick Encore Catalytic Converters?

The prices of Catalytic Converters for the 2018 Buick Encore range from $2.99 up to $1,128.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2018 Buick Encore?

The average price for Catalytic Converters for the 2018 Buick Encore is $485.67. 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 Encore model years?

Yes, we carry Catalytic Converters for 7 model years of Buick Encores between 2013 and 2021. The following model years are the most popular for Catalytic Converter purchases: 2021, 2020, 2019, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Catalytic Converters for my 2018 Buick Encore?

Does Advance Auto Parts sell Catalytic Converters for any other 2018 Buick models?

Yes. We stock Catalytic Converters for 1 other popular 2018 Buick models. Some of the most popular are 2018 Enclave Catalytic Converters and 2018 Envision Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2018 Buick Encore?

Based on 28 reviews by customers, our 2018 Buick Encore Catalytic Converters have an average customer rating of 4.4 stars. These are the highest-rated categories of Catalytic Converters for the 2018 Buick Encore and their top-rated products:

What types of Catalytic Converters do you sell for my 2018 Buick Encore?

As of 8/2/26, these are some of the most in-demand types of Catalytic Converters for a 2018 Buick Encore:

Can I get help with 2018 Buick Encore 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 Encore Catalytic Converters?

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