Discount Auto Parts and Accessories Auto Parts Since 2008
Call To Order: 1-800-541-9352

Get the Best Priced Buick Catalytic Converter

Select Your Vehicle:
Buick Catalytic Converter Reviews
Loading Reviews...
  • Buy With Confidence
    Delivering reliable auto parts service since 2008
  • 30 Day Returns
    Ordered the wrong part? Enjoy peace of mind with easy returns
  • Call To Order
    Heed help ordering? Call us toll free at 1-800-541-9352 to order
  • Fast Delivery
    Get the parts and accessories you need when you need them
  • Huge Selection
    Huge selection of OEM, stock replacement or aftermarket accessories
  • Competitive Prices
    We have the all the parts you need at the most competitive prices

Buick Replacement Exhaust Converters

Buick Catalytic Converter A car engineered by Buick can be completely trusted to embody consistently trustworthy mechanical quality. Buick is a dedicated automobile manufacturer celebrated for producing dependable and hardworking cars. Since you got a Buick, you have classic lines plus also the dependability that this respected manufacturer is famous for. For defined looks at a more affordable price, drivers go to Buick to provide their car requirements. You have to purchase a vehicle that can be dependable for a long time and you can depend on a real Buick. With sophisticated ingenuity and amazingly sleek style, no auto is more revered than an elegant Buick. When you go with a solidly built Buick, you're glowing in style. If you go with a trustworthy, historic Buick, you're confident you'll enjoy great styling. No matter if you race your vehicle or just enjoy driving a performance vehicle, the best quality aftermarket and OEM parts are essential. Invest in your car's components by buying the best quality engine parts. Located within the exhaust system of your car, the Buick Catalytic Converter functions to lower the overall toxic pollutants of the car or truck's by catalyzing a chemical process in your vehicle's exhaust. Your Buick Catalytic Converter is a part that mitigates the amount of hydrocarbon gas emitted by your car, helping you meet the requirements for your local emissions test. Properly working Buick Catalytic Converters are crucial to fulfill EPA regulations for automobile functioning. Buick Catalytic Converters cut emissions by catalyzing hazardous emissions into harmless water and carbon dioxide, via a chemical catalyst, often platinum, and expelling the cleaned gas through the exhaust valve. While rugged, the unit occasionally breaks or fails, generally if it is damaged from beneath the vehicle. Visit www.partsgeek.com every time you need top quality car parts and enjoy fantastic service and a good price every time. When you order from the specialists here at PartsGeek.com, you can be positive that you are choosing the best parts at the lowest possible price.

Shop Buick Exhaust Converters

Review Fitment Notes
Front DEC Catalytic Converter - for 2011 Buick Regal 2.4L 4 Cyl - GM20223 Click to Enlarge
4 Stars
DEC GM20223
Catalytic Converter
Loading Reviews...
Part Number: GM20223
Brand: DEC
Notes: Vehicle Specific Loading -- Front; E.P.A COMPLIANT
Position: Front
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$261.43
View Details
This Part Fits:
Catalog: B
Vehicle Engine
2011 Buick Regal 2.4L 4 Cyl
Front Left Catco Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 1344 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 1344
Brand: Catco
Notes: Catalytic Converter -- Direct Fit Pre-Cat; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
Position: Front Left
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$169.98
(11) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Front Left API Catalytic Converter - for 2011 Buick LaCrosse 3.6L V6 - 2101-603562 Click to Enlarge
5 Stars
API 2101-603562
Catalytic Converter
Loading Reviews...
Part Number: 96727-07327821
Brand: API
Notes: OES -- EPA Federal Compliant-Standard Loading Catalyst- Not Legal for sale or use in California. Legal in NY and ME on EPA Federal Emmision Equipped Vehicles Only
Position: Front Left
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$261.98
(6) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2011 Buick LaCrosse 3.6L V6
Bosal Catalytic Converter - for 2002 Buick Century 3.1L V6 - 079-5157 Click to Enlarge
4.9 Stars
Bosal 079-5157
Catalytic Converter
Loading Reviews...
Part Number: 079-5157
Brand: Bosal
Notes: BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter
Condition: New
Material: Stainless Steel
Finish: Stainless Steel
Mounting Hardware Included: Yes
Series: Premium Load
Type: Direct-Fit
Type: Federal / EPA Compliant
Shipping Options: Ground
5 Year / 25,000 Mile Bosal Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$310.43
(4) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Buick Century 3.1L V6
Front Left Eastern Catalytic Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 50495 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 50495
Brand: Eastern Catalytic
Notes: DIRECT FIT -- Radiator Side; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
  • Federal / EPA Direct-fit Converter Assembly
Position: Front Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile Eastern Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$279.43
(8) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Front Right Catco Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 1345 Click to Enlarge
5 Stars
Catco 1345
Catalytic Converter
Loading Reviews...
Part Number: 1345
Brand: Catco
Notes: Catalytic Converter -- Direct Fit Pre-Cat; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
Position: Front Right
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$197.98
(23) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Center Catco Catalytic Converter - for 2010 Buick LaCrosse FWD 3.6L V6 - 5070 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 5070
Brand: Catco
Notes: Catalytic Converter -- Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.
Position: Center
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$290.98
(6) In Stock
This Part Fits:
Catalog: P
Vehicle Sub Model Engine
2010 Buick LaCrosse FWD 3.6L V6
DEC Catalytic Converter and Pipe Assembly - for 2006 Buick Rendezvous AWD 3.5L V6 - GM20180 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: GM20180
Brand: DEC
Notes: Vehicle Specific Loading -- E.P.A COMPLIANT
Condition: New
Shipping Options: Ground
$294.43
View Details
This Part Fits:
Catalog: B
Vehicle Sub Model Engine
2006 Buick Rendezvous AWD 3.5L V6
Bosal Catalytic Converter - for 2001 Buick Century 3.1L V6 - 079-5157 Click to Enlarge
4.9 Stars
Bosal 079-5157
Catalytic Converter
Loading Reviews...
Part Number: 079-5157
Brand: Bosal
Notes: BRExhaust Federal Direct-Fit Premium Load OBDII Catalytic Converter
Condition: New
Material: Stainless Steel
Finish: Stainless Steel
Mounting Hardware Included: Yes
Series: Premium Load
Type: Direct-Fit
Type: Federal / EPA Compliant
Shipping Options: Ground
5 Year / 25,000 Mile Bosal Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$310.43
(4) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Buick Century 3.1L V6
Front Right Davico Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 19510 Click to Enlarge
5 Stars
Davico 19510
Catalytic Converter
Loading Reviews...
Part Number: 19510
Brand: Davico
Notes: Exact-Fit Catalytic Converter -- Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems
Position: Front Right
Condition: New
Gaskets Included: Yes
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$202.43
(5) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Front Left Davico Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 19520 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 19520
Brand: Davico
Notes: Exact-Fit Catalytic Converter -- Not legal for use in California; Illegal for installation in NY on vehicles equipped with California emission systems
Position: Front Left
Condition: New
Gaskets Included: Yes
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$215.43
(5) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Front Right Eastern Catalytic Catalytic Converter - for 2009 Buick Enclave 3.6L V6 - 50457 Click to Enlarge
4 Stars
Eastern Catalytic 50457
Catalytic Converter
Loading Reviews...
Part Number: 50457
Brand: Eastern Catalytic
Notes: DIRECT FIT -- Firewall Side; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
  • Federal / EPA Direct-fit Manifold Converter Assembly
Position: Front Right
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile Eastern Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$427.43
(55) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2009 Buick Enclave 3.6L V6
Front Left Eastern Catalytic Catalytic Converter - for 2009 Buick Enclave 3.6L V6 - 50456 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 50456
Brand: Eastern Catalytic
Notes: DIRECT FIT -- Radiator Side; Precat; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
  • Federal / EPA Direct-fit Manifold Converter Assembly
Position: Front Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile Eastern Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$430.43
(45) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2009 Buick Enclave 3.6L V6
Front Right Eastern Catalytic Catalytic Converter - for 2010 Buick LaCrosse 3.0L V6 - 50496 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 50496
Brand: Eastern Catalytic
Notes: DIRECT FIT -- Firewall Side; Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
  • Federal / EPA Direct-fit Converter Assembly
Position: Front Right
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile Eastern Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$319.43
(6) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Front Left DEC Catalytic Converter - for 2011 Buick LaCrosse FWD - GM20110D Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: GM20110D
Brand: DEC
Notes: Vehicle Specific Loading -- Bank #2; E.P.A COMPLIANT
Position: Front Left
Condition: New
Shipping Options: Ground
5 Year / 50,000 Mile DEC Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$314.43
View Details
This Part Fits:
Catalog: B
Vehicle Sub Model
2011 Buick LaCrosse FWD
Front Dorman Catalytic Converter - for 2018 Buick Encore 1.4L 4 Cyl LUV - 674-854 Click to Enlarge
4 Stars
Dorman 674-854
Catalytic Converter
Loading Reviews...
Part Number: 674-854
Brand: Dorman
Notes: Catalytic Converter -- CARB Compliant: No
  • Designed to match the fit and performance of the original equipment
  • Durable construction - manufactured within strict tolerances for reliable longevity
  • Original equipment functionality
Position: Front
Condition: New
Grade Type: Regular
Body Material: Stainless Steel
Package Contents: Converter
Color/Finish: Natural
Item Grade: Standard Replacement
Shipping Options: Ground
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$319.98
(1) In Stock
This Part Fits:
Catalog: F
Vehicle Engine
2018 Buick Encore 1.4L 4 Cyl LUV
Dorman Catalytic Converter - for 2013 Buick Encore - W0133-3520607 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-3520607
Brand: Dorman
Notes: OE Solutions FED Compliant
Detailed Notes: EPA Federal Compliant - Standard Grade Catalyst - Not Legal for sale or use in California. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only.
Product Remark: Direct Fit
Condition: New
Shipping Options: Ground, Overnight, 2 Day
Lifetime Dorman Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
List Price:
$699.94
Our Price: $522.58
(2) In Stock
This Part Fits:
Catalog: A
Vehicle
2013 Buick Encore
Walker Catalytic Converter - for 2005 Buick LeSabre Limited 3.8L V6 - 93253 Click to Enlarge
5 Stars
Walker 93253
Catalytic Converter
Loading Reviews...
Part Number: 93253
Brand: Walker
Notes: EPA -- Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Ultra Universal Type; Modifications and/or Additional Parts May Be Required for Installation
  • Designed for use on OBDII (1996 and newer) vehicles
  • Stainless steel body with aluminized pipe and heat shields for durability
  • Expandable bushings for custom installation requirements
  • Universal converter may require modification to complete installation
  • 25,000-mi catalytic performance & 5-year/50,000-mi structural integrity warranty
  • Meets EPA emissions requirements
  • Not legal for sale in California
Condition: New
Product Grade: Economy
Fitment: Universal
Body Material: Stainless Steel
Substrate Material: Ceramic
Air Tube: No
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$217.08
(8) In Stock
This Part Fits:
Catalog: H
Vehicle Sub Model Engine
2005 Buick LeSabre Limited 3.8L V6
AP Exhaust Catalytic Converter - for 2005 Buick LeSabre 3.8L V6 - 645979 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 645979
Brand: AP Exhaust
Notes: Catalytic Converter -- Direct Fit; (Use With OE Pipe, Includes Resonator); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details.; Direct fit converter may require resizing, cutting or bushing.; Cut O.E. extension pipe as necessary for installation.; Single Exhaust
Condition: New
Shipping Options: Ground
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$422.98
(2) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
2005 Buick LeSabre 3.8L V6
Front DIY Solutions Catalytic Converter - for 2011 Buick LaCrosse 3.6L V6 - EXH00141 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EXH00141
Brand: DIY Solutions
Notes: Catalytic Converter -- Front; V6 3.6L
  • Direct Fit Replacement
  • Quality Tested - built to a strict level of product standards.
Position: Front
Condition: New
Package Contents: Gaskets
Shipping Options: Free Ground Shipping
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$196.95
with FREE Shipping
(5) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2011 Buick LaCrosse 3.6L V6
Walker Catalytic Converter - for 2005 Buick Century 3.1L V6 - 54757 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 54757
Brand: Walker
Notes: EPA -- Optional Extra Precious Metal Loading Type; Fits Fed. & Calif. Emission Models; Not legal for sale or use in California and other CARB-compliant states. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult the aftermarket converter regulations in your state for details.; Exhaust Gasket is Recommended; Ultra EX Direct Fit Type
  • Designed for use on OBDII (1996 and newer) vehicles
  • OE-style precious metal load, substrate content, and high technology washcoat
  • Formulated specifically for problematic applications
  • Stainless steel body with aluminized pipe and heat shields for durability
  • OE-style routing and hanger position for easy installation
  • Thick OE-style flanges, hangers and brackets for enhanced strength
  • 25,000-mi catalytic performance & 5-year/50,000-mi structural integrity warranty
  • Meets EPA emissions requirements
  • Not legal for sale in California
Condition: New
Product Grade: Economy
Fitment: Direct Fit
Body Material: Stainless Steel
Substrate Material: Ceramic
Shipping Options: Ground
5 Year / 50,000 Mile Walker Limited Warranty
{We currently do not ship this catalytic converter to California, Colorado, New York, or Maine}
$807.98
View Details
This Part Fits:
Catalog: N
Vehicle Engine
2005 Buick Century 3.1L V6

Related Exhaust Parts

Related Buick Exhaust Parts

Some of our Customer Reviews
5 of 5
Verified Customer
3/28/13 08:33 AM - USA

PART FIT PERFECTLY AND ARRIVED IN 2 DAYS. VERY WELL MADE AND THE THICKEST REAR FLANGE I HAVE SEEN ON A CAR PART. (ABOUT 3/8" THICK) ONLY WAY IT COULD HAVE BEEN BETTER IF IT INCLUDED THE GASKETS. - GREAT PART + FAST DELIVERY

- 1991 Buick Skylark Catalytic Converter
5 of 5
Verified Customer
6/6/13 11:40 PM - USA

Replacing the Catalytic Converter on this vehicle returned the power to what it was suppose to be. - Carlos L Perez

- 2002 Buick Century Catalytic Converter