This new direct fit, aftermarket, stainless steel catalytic converter is a great replacement. It is made of the highest grade materials for long lasting durability.

Specifications:

  • Comes as a PAIR
    • Fits LH (Driver Side) and RH (Passenger Side)
  • High quality stainless steel
  • Includes all flanges for direct installation
  • EPA Certified
  • Built to strict quality control standards

 

 

Due to state emissions regulations, we cannot ship this item to the state of California as it is not C.A.R.B ( California Air Research Board) approved for use in the state of California.

5 Year Warranty

This item is backed by a 5 Year Warranty. In the event this item should fail during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Removing the Catalytic Converter (0:47)
    • Raise and support the vehicle
    • Remove the four 14mm bolts from the exhaust flanges
    • Allow the exhaust to hang
    • Loosen the O2 sensor with an O2 sensor socket and ratchet
    • Twist off the O2 sensor by hand
    • Remove the 10mm bolt from the heat shield
    • Pull back the heat shield
    • Remove the two 13mm bolts from the exhaust manifold
    • Pull the catalytic converter down and out
  2. step : Installing the Catalytic Converter (2:18)
    • Put the 13mm bolts into place on the exhaust manifold
    • Lift the catalytic converter into place
    • Start the 13mm nuts by hand
    • Tighten the 13mm nuts and bolts
    • Put the heat shield into place
    • Insert the 10mm bolt for the heat shield
    • Start the O2 sensor by hand
    • Tighten the O2 sensor with an O2 sensor socket
    • Lift the exhaust into place
    • Insert the 14mm bolts into the exhaust flanges
    • Tighten the 14mm bolts to 16 foot-pounds of torque

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Torque Wrench
  • Socket Extensions

  • Sockets - Metric

  • 7mm Socket
  • 10mm Socket
  • 13mm Socket
  • 14mm Socket

  • Specialty Tools

  • O2 Sensor Socket

  • Wrenches - Metric

  • 22mm Wrench
  • 13mm Wrench

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Browse 2 questions Browse 2 questions and 3 answers
I recently purchased the set, not sure if I selected the correct vehicle option at checkout. Does it matter if I have a 3.6 or 2.8L vehicle for this part to match?
Rickey G on Mar 29, 2017
BEST ANSWER: This will fit either the 2.8L or 3.6L engine for year model CTS 2005 - 2007. If your vehicle is a 2004 model year, these parts would be specific for only the 3.6L engine.
Will these pass California smog?
Shawn E on Sep 6, 2016
BEST ANSWER: Due to state emissions regulations, we cannot ship this item to the state of California as it is not C.A.R.B ( California Air Research Board) approved for use in the state of California.

Vehicle Fit

  • 2004-2007 Cadillac CTS Catalytic Converter Pair V6 3.6L
  • 2005-2007 Cadillac CTS Catalytic Converter Pair V6 2.8L

This part replaces:

  • OE # 12622974
  • OE # 12622975
Part #: 1AEEK00662

Out of Stock

How-to Video:

(04:19 min)