Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

OEM Catalytic Converter with Exhaust Filter for 2011-2016 Chevrolet & GMC

Only 1 left in stock
Price today
$1,041.95
$330 core refund
YOUR NET COST
$711.95
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 $330 refund

Product Notes

This is a used catalytic converter for vehicles with the 6.6L engine. It includes the exhaust filter.

This part fits models with a short wheelbase (SWB) configuration ONLY. It is designed for Crew Cab trucks with the standard 6.6-foot bed. It will NOT fit models with the 8-foot long bed.
Condition: Excellent (A)
Like new, minimal to no wear
101,100 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

Meet Wrenchy - The Amazing Parts Assistant!

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

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 2 models(tapclick to expand)(tapclick to hide)
Silverado 2500 HD 2011-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
LT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LT Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LTZ Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LTZ Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
High Country Crew Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
2012, 2014
Silverado 3500 HD 2011-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
LT Cab & Chassis 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LT Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LTZ Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LTZ Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Cab & Chassis 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
High Country Crew Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
LTZ Cab & Chassis 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
2012, 2014
GMC 2 models(tapclick to expand)(tapclick to hide)
Sierra 2500 HD 2011-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Denali Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Crew Cab Pickup 2011 - 2014 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Extended Cab Pickup 2011 - 2013 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Standard Cab Pickup 2011 - 2014 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Crew Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Extended Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Standard Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
2012
Sierra 3500 HD 2011-2016 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Denali Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Cab & Chassis 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLE Standard Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLT Cab & Chassis 2011 - 2012, 2015 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLT Crew Cab Pickup 2011 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
SLT Extended Cab Pickup 2011 - 2013, 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Cab & Chassis 2011 - 2014 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Crew Cab Pickup 2011 - 2014 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Extended Cab Pickup 2011 - 2013 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
WT Standard Cab Pickup 2011 - 2014 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Cab & Chassis 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Crew Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Extended Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
Base Standard Cab Pickup 2015 - 2016 V8 6.6L DIESEL Turbo RWD/4WD | Automatic | engine_size: include 6.6L; fuel_type: include DIESEL; bed_length: include Standard Bed; bed_length: exclude Long Bed
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)

9 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: 22799974, 25812366

Fits Years: 2011 2012 2013 2014 2015 2016

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

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

Racing Partner Videos

Added to cart · Part