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OEM Catalytic Converter for 2012-2014 Cadillac CTS - Left (Driver), Rear

Only 1 left in stock
Price today
$479.95
$180 core refund
YOUR NET COST
$299.95
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 with the 3.6L engine.

This is the rear catalytic converter assembly for the driver side. It fits vehicles with either the 3.0L or 3.6L V6 engine. Please verify fitment for your specific vehicle before purchasing.
Condition: Excellent (A)
Like new, minimal to no wear
53,500 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
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Vehicle Fitment Guide

This part fits the following vehicles:

Cadillac 1 model(tapclick to expand)(tapclick to hide)
CTS 2012-2014 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
3.0L Coupe 2012 V6 3.0L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
3.0L Sedan 2012 V6 3.0L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
3.0L Wagon 2012 V6 3.0L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
3.6L Coupe 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
3.6L Sedan 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
3.6L Wagon 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Coupe 2012 - 2013 V6 3.0L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Coupe 2012 V6 3.0L AWD/RWD | Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Sedan 2012 - 2013 V6 3.0L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Sedan 2012 V6 3.0L AWD/RWD | Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Wagon 2012 - 2013 V6 3.0L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Wagon 2012 V6 3.0L AWD/RWD | Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Coupe 2012 - 2013 V6 3.6L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Coupe 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Sedan 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Wagon 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Coupe Coupe 2012, 2014 V6 3.6L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Sedan 2012 - 2014 V6 3.0L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Sedan 2012 V6 3.0L AWD/RWD | Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Wagon 2012 - 2014 V6 3.0L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Wagon 2012 V6 3.0L AWD/RWD | Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Coupe 2012 V6 3.6L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Sedan 2012 V6 3.6L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Wagon 2012 V6 3.6L AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Coupe 2012 - 2013 V6 3.0L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Sedan 2012 - 2013 V6 3.0L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Coupe 2012 - 2014 V6 3.6L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Coupe 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Sedan 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Sedan 2012 - 2014 V6 3.6L RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Wagon 2012 V6 3.6L AWD/RWD | Automatic & Manual | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Coupe 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Sedan 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Base Wagon 2013 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Coupe 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Sedan 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Performance Wagon 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Coupe 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Sedan 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Premium Wagon 2013 - 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Sedan 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Luxury Wagon 2014 V6 3.6L FLEX AWD/RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Vsport Sedan 2014 V6 3.6L Turbo RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
Vsport Premium Sedan 2014 V6 3.6L Turbo RWD | Automatic | part_location: include Rear Driver Side; engine_size: include 3.0L; engine_size: include 3.6L; engine_config: include V6
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)

3 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:
Cadillac: 20943055, 22882836, 25799351

Fits Years: 2012 2013 2014

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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.

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★★★★★ 4.9 1,451 verified reviews

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