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From what I have found so far both of the supposedly new aluminum numbers LR186859 and LR186917 are both called Coolant Outlet Flange which is not what the cross over pipes are called.
To clear things up, these are (together) what are often called the front crossover pipes. The rear is the other part number - still unavailable in aluminum from LR - which you referenced
The indépendant shop I use in Denver said that the original plastic parts were superseded by redesigned plastic parts from LR. They showed me the difference. The original has seams which fail, the new design does not. I opted for the metal aftermarket replacements though.
The indépendant shop I use in Denver said that the original plastic parts were superseded by redesigned plastic parts from LR. They showed me the difference. The original has seams which fail, the new design does not. I opted for the metal aftermarket replacements though.
What parts did you change out and what was total cost at that shop?
I usually do everything myself but I just don't feel like doing this job this time. It's going in to my independent shop for the aluminum aftermarket parts next week. Both the dealer and the independent recommended using LR O-rings in place of the O-rings that come with the aftermarket parts.
I decided to have the preventative work done by my independent shop in Denver. It’s quite a bit of work and I’m certain I could handle it but I was comfortable with this shop. All of the plastic pieces were replaced with the aftermarket aluminum ones. And LR o-rings were used in place of the aftermarket ones. Here’s a photo of one of the plastic parts that was removed. Mileage is 74k on a 2017 HSE. You can see that the plastic welds did not come apart but the left hand tube in the photo crumbled upon removal and was ready to self destruct. It was time for this preventative service.
