K guys what radiators will work for an 87' 300D? I was told buy my buddy that the gasser radiators in the w124s would fit.....well they dont. Atleast the one i got from an 88' 300te didnt. So anyone have any info?

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Wie lange wird Ihr Auto leben?

I would next try a later W124 diesel such as a 300D 2.5 from the early 90s. My only concern is that those 5-cylinder engines weren't as long as your six so the radiator may be too "fat."

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

Im having a real hard time finding used ones though thats the thing. There is one 87 300d that i know of at a yard but i dont think it still has that much stuff so cross your fingers.

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Wie lange wird Ihr Auto leben?

According to gsxr, the closest radiator fit is off a 500E/E500 so good luck with that.

I think the 2.5 radiator has a different lower hose fitting. It might be a matter of modifying a 2.5 lower hose to fit.

If you read gsxr's 124 Diesel buyer's guide, he suggests these radiators are 5 year replacement items.

Sixto
87 300D

hmm 5 year......damn

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Wie lange wird Ihr Auto leben?

searched and cant find gsxr post.

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Wie lange wird Ihr Auto leben?

Oops, it was in private discussions. Sharing these without his permission -

I also found this link in my archives though it refers to a 560SEC -

http://home.comcast.net/~chwilka/not_so_cool_running.htm

Sixto
87 300D

Here's a link to the buyer's guide - Need link to 124 buyers guide

I looked at pictures of 603 and 602 radiators in the online stores. The hose fittings look to be in the same location. My memory's very vague on radiator differences but I think the 2.5 uses a narrower core. Regardless, part number is different.

Sixto
87 300D

Try Radiators.com. I picked up a radiator for the 300SD for under $200

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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
Bruno '81 300SD
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'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad

yeah everyone is poor right now so im just trying to tide things over til people have money then a new one will be time. It only has a small leak but we all know how that can end when your on the road and it want to become a lil bigger.

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Wie lange wird Ihr Auto leben?

I doubt you'll find a 500E in a wrecking yard but you might find a 400E which uses the same radiator part number as the 500E. The only visible difference between this radiator and the 300D radiator is the reservoir nipple atop the upper hose fitting - right where you'll break it while working on the engine I have no idea if the mounting features are the same. There are used 300D and 400E radiators listed at www.car-part.com

There's a ton of GM RWD vehicles that have the same radiator configuration as an 87 300D. Our 97 'burb has upper driver side inlet, lower passenger side outlet and passenger side tank transmission cooler fittings. It's just twice the size of the 300D radiator Maybe you can do something with a new $90 S-10 radiator

Sixto
87 300D

Attached Thumbnails

 

i know autozone and kragen has weird shaped hose so i might just "rig" something so he can use the 300TE radiator.

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Wie lange wird Ihr Auto leben?

You're gonna need a pipe bender too. 124 6 cylinder gasser radiators have the outlet fitting halfway up the driver side tank. That'a a long convoluted way to the water pump in the tight space between the radiator and engine in an 87 300D.

Sixto
87 300D

Where are you?

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Gone to the dark side

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