My Account About Us Help Desk
Go-Parts
Account About Us Help Desk
Cart 0
Your cart is empty
Add an item to see it appear here.
Catalytic Converter
View 1
View 2
View 3

Catalytic Converter - Rear (Eastern Catalytic) for 2012-2018 Buick & Chevrolet • Impala, LaCrosse NEW

$ 409 .37
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Position: Rear
PZEV Emissions; Undercar Legal Note: Not For Sale or Use in the State of CA, CO, ME & NY (vehicles with CA Emissions)
DIRECT FIT
Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.
Brand: Eastern Catalytic
Condition: New
See All Other Catalytic Converters
Wrenchy the Robot
Not sure? Ask Wrenchy — Your Parts Assistant.

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
Catalyst Type Standard
Converter Type Federal / Epa Direct-fit Undercar
Inlet Gasket Quantity 2
Inlet Hardware None
Inlet Type A 2 Bolt Welded
Inlet Type B 2 Bolt Welded
O2 Sensor Ports None
Outlet Gasket 1
Outlet Hardware None
Outlet Type A 2 Bolt Welded

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 1 model (tapclick to expand)(tapclick to hide)
LaCrosse 2012-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Sedan 2016 V6 3.6L FWD Automatic
Base Sedan 2012 - 2016 L4 2.4L MILD HYBRID EV-GAS (MHEV) FWD Automatic
Base Sedan 2012 - 2013 L4 2.4L MILD HYBRID EV-GAS (MHEV) AWD Automatic
Base Sedan 2012 - 2016 V6 3.6L FLEX FWD Automatic
Base Sedan 2012 - 2013 V6 3.6L FLEX AWD Automatic
CXS Sedan 2013 V6 3.6L FLEX FWD Automatic
CXS Sedan 2012 V6 3.6L FWD Automatic
Convenience Sedan 2012 L4 2.4L MILD HYBRID EV-GAS (MHEV) AWD/FWD Automatic
Convenience Sedan 2012 V6 3.6L FLEX AWD/FWD Automatic
Leather Sedan 2016 V6 3.6L AWD/FWD Automatic
Leather Sedan 2012 - 2016 L4 2.4L MILD HYBRID EV-GAS (MHEV) AWD/FWD Automatic
Leather Sedan 2012 - 2016 V6 3.6L FLEX AWD/FWD Automatic
Premium Sedan 2016 V6 3.6L AWD/FWD Automatic
Premium Sedan 2012, 2014 L4 2.4L MILD HYBRID EV-GAS (MHEV) AWD/FWD Automatic
Premium Sedan 2012 - 2016 V6 3.6L FLEX AWD/FWD Automatic
Sport Touring Sedan 2016 V6 3.6L FWD Automatic
Sport Touring Sedan 2016 V6 3.6L FLEX FWD Automatic
Touring Sedan 2012 - 2013 V6 3.6L FLEX AWD/FWD Automatic
Chevrolet 1 model (tapclick to expand)(tapclick to hide)
Impala 2014-2018 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Eco Sedan 2014 L4 2.4L MILD HYBRID EV-GAS (MHEV) FWD Automatic
LS Sedan 2017 - 2018 V6 3.6L FWD Automatic
LS Sedan 2017 - 2018 V6 3.6L FLEX FWD Automatic
LS Sedan 2016 - 2018 L4 2.5L FLEX FWD Automatic
LS Sedan 2015 - 2017 V6 3.6L BI-FUEL FWD Automatic
LS Sedan 2014 - 2018 L4 2.5L FWD Automatic
LT Sedan 2016 - 2018 L4 2.5L FLEX FWD Automatic
LT Sedan 2015 - 2017 V6 3.6L BI-FUEL FWD Automatic
LT Sedan 2014 - 2018 L4 2.5L FWD Automatic
LT Sedan 2014, 2016 - 2018 V6 3.6L FWD Automatic
LT Sedan 2014 - 2018 V6 3.6L FLEX FWD Automatic
LTZ Sedan 2016 L4 2.5L FLEX FWD Automatic
LTZ Sedan 2014 - 2016 L4 2.5L FWD Automatic
LTZ Sedan 2014, 2016 V6 3.6L FWD Automatic
LTZ Sedan 2014 - 2016 V6 3.6L FLEX FWD Automatic
Premier Sedan 2017 - 2018 V6 3.6L FWD Automatic
Premier Sedan 2017 - 2018 V6 3.6L FLEX FWD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
Latest advanced-manufacturing technology, including automated workstations, spinner welding equipment, and high-speed production lines ensures that all converters are built to exact OE dimensions and fitment. This technology also helps to maintain industry-leading efficiency, productivity, and competitive prices. The proprietary NANO substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency.

Fits Years: 2012 2013 2014 2015 2016 2017 2018

Fits Models: Impala, LaCrosse

Expert Guides

Catalytic Converter Guide for the 2011-2015 Chevrolet Impala

Dealing with a P0420 code or a loud exhaust? Here's what you need to know before buying a new catalytic converter for your Impala.

 Read Full Guide →

Related Trouble Codes (OBD-II)

2 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

Racing partner video
Racing partner video
Racing partner video
Racing partner video
×

Search by Vehicle

1
2
3
Added to cart · Part