Determining Different Types of Scrap Catalytic Converters

Posted: June 26, 2019

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Recycling Your Scrap Catalytic Converters

Let’s talk about some catalytic converters. When you bring your cats down to the yard here is how we determine how to grade them.

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How We Classify Your Scrap Converters

• Shell/Cover – The shell or cover of the cat is the first thing we look at to determine what makes the cat is from. Some things we are looking at include the shape, the size, and the cutouts of the catalytic converter so we can see inside.
• Stamping on the Shell – Some cats have stamps or numbers on the outside. For example Ford stamps most of their cats with their logo, Toyota has a number system to help identify their cats.
• Honeycomb – The honeycomb is the inside of the cat where all the precious metals are like platinum, palladium, and rhodium. We make sure it’s completely full if not, it will be downgraded from a full cat and be value much less.
• Shape of the Comb – There are couple different shapes the honeycomb can be but the two most common are a honeycomb shape and the other is a foil/wire which is shaped like a fingerprint. The foil cats are always worth much less than a honeycomb cat.
• Pre Cats – Usually much smaller and have less good material inside. They can sometimes be connected to the same pipe as the regular catalytic converter.
• Aftermarket Cats – These are 3rd party parts that are usually a cheaper option when repairing vehicles. These aftermarket parts are going to be valued less when you are looking to scrap them. They sometimes have a silver plate on the outside with an arrow.
• Diesel Cats/DPF – These are classified differently than a gasoline cat. A general rule is any diesel cat from 2008 and older is on the lower price scale due to lack of precious metals inside. After 2008 they changed over to a Diesel Particulate Filter (DPF). These are easily identified by the numbers stamped on the shells and also they are much bigger than any gasoline cat.

When you bring your catalytic converters into Rockaway Recycling, it helps us price them easier when you know the year, make and model from the vehicle it is off of. If you aren’t sure we can help you with a price quote by contacting us with pictures. We look forward to seeing you in our yard and helping you recycle your scrap metal.

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