I found an 1984 300SD with a bad motor, will my 1983 300D motor and trans drop right in? As I recall the oil pans may be slighly different??

Hope to get an answer soon before the deal goes away

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1984 280SEL, 62,000 miles
Euro model in the USA
1983 300D (Totaled out 10/2004)
New Factory Mint Green paint
Palomino int
1982 240D (Steak dinner for two)

I'm pretty sure the engines are exactly the same.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

You'll have to swap out some things such as oil pressure senders and motor mount arms.

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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate

Sooner or later every car falls apart, ours does it later!
-German Narrator in a MB Promotion Film about the then brand new W123.

Oil senders? Are they not both regular oil filled lines to the gauge? Is the a difference in turbo charger emissions stuff? (California cars).

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1984 280SEL, 62,000 miles
Euro model in the USA
1983 300D (Totaled out 10/2004)
New Factory Mint Green paint
Palomino int
1982 240D (Steak dinner for two)

The SD uses an electrical oil sender, the D uses a mechanical unit.

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83 SD

84 CD

Much like the oil gauge, the speedometer in the SD is electronic. I believe you'd have to swap tail sections of the transmission, or you could use the SD instrument cluster and run a couple wires which seems like a better option to me.

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TC
Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth