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OEM Catalytic Converter for 2009-2017 Buick, Chevrolet, GMC, & Saturn - Rear

Price today
$339.95
$180 core refund
YOUR NET COST
$159.95
after returning your old part
✓ Prepaid core return label

EPA RE-CERTIFIED CATALYTIC CONVERTER

What is a recertified catalytic converter? A converter that has been performance tested and passes EPA guidelines for certified converters. Each unit includes a permanent tag with its part number, recertification facility, and date of recertification.

  • 1-Year Warranty (parts only, no labor)
  • OEM bolt-on design (not weld-in)
  • Donor vehicle VIN available on request
  • Return your old cat to receive $180 refund

Product Notes

This is a used part. This is a recertified OEM rear catalytic converter for vehicles equipped with the 3.6L engine.

This is the rear (underbody) catalytic converter for vehicles with a 3.6L V6 engine. Please verify your vehicle's emissions requirements, as this part is intended for Federal Emissions models and may not be legal for use in states with stricter standards.
Condition: Excellent (A)
Like new, minimal to no wear
53,100 miles
Odometer reading when part was removed

Why Buy Used OEM Parts?

  • ✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested. While it may show some cosmetic wear, it's fully functional and ready to install.
  • ✓ Original Equipment: This is a genuine OEM part — the exact part that came with your vehicle from the factory. Perfect fitment and performance.
  • ✓ Works Like New: Despite visual wear, internal components and functionality are intact. Same reliability you'd expect from OEM quality.
  • ✓ Significant Savings: Save 50–80% vs. new. Factory quality at a fraction of the cost — the smart choice for budget-conscious owners.
30-dayreturns 1-yearwarranty 100%money-back
Wrenchy the Robot

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

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 1 model(tapclick to expand)(tapclick to hide)
Enclave 2009-2017 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
CX SUV 2009 - 2011 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
CX SUV 2009 - 2011 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
CXL SUV 2009 - 2011 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
CXL SUV 2009 - 2013 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Base SUV 2012 - 2013 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Base SUV 2012 - 2013 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Convenience SUV 2014 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Convenience SUV 2014 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Leather SUV 2014 - 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Leather SUV 2014 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Premium SUV 2014 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Premium SUV 2014 - 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Chevrolet 1 model(tapclick to expand)(tapclick to hide)
Traverse 2009-2017 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
LS SUV 2009 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
LS SUV 2009 - 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
LT SUV 2009 - 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
LT SUV 2009 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
LTZ SUV 2009 - 2016 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
LTZ SUV 2009 - 2016 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Base SUV 2011, 2015 - 2016 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Premier SUV 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Premier SUV 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
GMC 1 model(tapclick to expand)(tapclick to hide)
Acadia 2009-2017 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 2009 - 2012 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Base SUV 2009 - 2012 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLE SUV 2009 - 2016 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLE SUV 2009 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLT SUV 2009 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLT SUV 2009 - 2016 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SL SUV 2010 - 2013, 2016 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SL SUV 2010 - 2013 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Denali SUV 2011 - 2017 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Denali SUV 2011 - 2017 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLT1 SUV 2015 - 2016 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLT2 SUV 2015 - 2016 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Denali SUV 2017 V6 3.6L 4WD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLE SUV 2017 V6 3.6L 4WD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
SLT SUV 2017 V6 3.6L 4WD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
Saturn 1 model(tapclick to expand)(tapclick to hide)
Outlook 2009-2010 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
XE SUV 2009 - 2010 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
XE SUV 2009 - 2010 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
XR SUV 2009 - 2010 V6 3.6L FWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
XR SUV 2009 - 2010 V6 3.6L AWD | Automatic | engine_size: include 3.6L; engine_config: include V6; part_location: include Rear
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

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

1-Year Warranty

This EPA re-certified catalytic converter includes a 1-year warranty (parts only, no labor) from the date of purchase.

  • If your converter fails within 1 year, we will send a replacement
  • Warranty covers parts only — labor is not included
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement only. Return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

⚠️ Related Trouble Codes (OBD-II)

7 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.

Miscellaneous Information

OEM Part Numbers:
GM: 19418927, 19418968, 20906951

Fits Years: 2009 2010 2011 2012 2013 2014 2015 2016 2017

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Not happy with what arrived? 30-day returns, no-questions-asked refund. We make it right.

19
Years of Excellence

Trusted Since 2007

Nearly two decades of shipping parts to professionals & enthusiasts.

1YR
Warranty

Backed For The Long Haul

Full 1-year warranty on every re-certified catalytic converter. If it fails, we replace or refund — no hassle.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

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