Of course this in no way impedes functionality so replacement ranks low on the priority list. I’ve read that some (ABS) plastic can be bleached in peroxide and regain some of it’s original appearance but that can take weeks and produce marginal results. In most cases DIYers choose paint over replacement.
I’ve collected the following example photos of painted engine bay plastics for example:
My e30’s own coolant tank was especially pathetic. In addition to being cat-vomit brown it had picked up some overspray from the PO’s paint job and accumulated a thick layer of sludge in the bottom. The washer fluid tank suffered the same overspray but I painted that blue which I think really sets off well against the rest of the engine bay. I decided not to paint the coolant reservoir because I don’t have a space to paint in right now and it’s impossible to read the coolant level once painted.
During my engine swap I needed to fill out an order for some small parts and decided I’d add the tank to the order. I didn’t take any photos during the install but it was pretty straight forward and I think the results are nice.
Radiator Expansion Tank 17111712641
Hose Clamp 32411712735
Oetiker Clamps and Pliers on Amazon
Apologies for the lousy photos. Front end is coming together nicely, cosmetically speaking. Now if I could just fix that scratch by the rondel. It would be nice to make some performance upgrades soon but little cosmetic tweaks are cheaper and easier. Things I did in the last day or so:
Next year when it’s time to renew my plates I’ll get new ones that aren’t bent, probably personal plates (a.k.a “vanity plates”). Also made some cosmetic improvements to the engine bay this afternoon:
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