Catalytic Converter [BRITPART WCJ000360]

Why they get replaced. Cats fail in a few ways. The honeycomb inside can break up, which causes a rattle and blocks the flow of exhaust. You’ll notice it as a loss of power, especially at higher revs, and the engine might run hot. The other common failure is contamination. Oil or coolant getting into the exhaust coats the inside of the cat and stops it working. On a diesel, a cat that’s been run on a misfire or with a failing turbo can clog with soot. When it goes, you’ll usually get an engine warning light, and often an emissions failure at MOT time.

A few things to check before you buy:

• Confirm the part number. WCJ000360 is the number to match against your old one.

• Which model, year and engine. Exhaust parts vary a lot across the Defender range. Check it suits yours.

• Whether it’s a direct fit. Some come with the flanges and fittings, some need the old ones reused. Ask.

• What’s included. Gaskets, bolts, clamps. Check what comes with it, because you’ll want new gaskets.

• Condition. New. Confirm it’s new Britpart stock.

• Whether it’s type approved. If your vehicle needs a cat for MOT, check it meets the standard.

One thing worth saying. A cat rarely fails on its own. It fails because something upstream is putting oil, coolant or unburnt fuel through it. If you fit a new cat without fixing that, the new one will clog in the same way. Find out why the old one went before you spend money on a replacement.

Also. If you’re replacing the cat, check the rest of the exhaust while you’re under there. The downpipe, the middle section and the back box are all the same age, and if one part has rotted through the others won’t be far behind. Doing it all at once saves you lying under the vehicle twice.

Fitting is straightforward on most of these. Soak the bolts with penetrating oil the day before, because exhaust bolts seize. Use new gaskets and check for blows after you’ve run it up to temperature.

You can buy this catalytic converter from landrovergenuinepart.com. Order online, or email us first if you want to confirm fitment before you purchase. We’d rather check the details up front than have you send it back later.

When you get in touch, tell us your model, year and engine. That’s usually enough for us to confirm whether this is the right part.

For availability, pricing and compatibility, contact us before ordering.

Website: landrovergenuinepart.com
Email: contact@landrovergenuinepart.com