The replaced behr had plastic top chamber AND plastic filler neck. The hose necks were plastic. The bottom chamber was also plastic.
The Valeo is the EXACT same as the Behr D9.
The trans cooler threaded nipples are brass. The core is brass/copper. It looks to be a good radiator. A member mech-tech claimed Valeo was OEM more so than Nissen or csf. Nissen is better quality than CSF. CSF is all metal but they have quality control issues and higher fail rates. I checked that one out personally. Chose Valeo. Behr was not available.

It has a lifetime warranty besides.

Some mebers claims their old Behr is all 100% brass/copper. Not mine.

Fastlane sells Valeo but I was in a pinch and picked one up locally at a good price and warranty.

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1979 300D 220 K miles
1995 C280 109 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles SOLD
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1979 240D 140Kmiles (bought for parents) *SOLD.
SAN FRANCISCO/(*San Diego)
1989 300SE 148 K miles *SOLD