Go for it, everything you need is on that doner car. The flywheel fits the diesel crank, and the propshaft will swap over. The only thing you might want to buy is a new spigot bearing and possibly a new clutch if the doner cars isnt great.

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87 w124 zender 3.6 - 3.0 kompressor in progress!
96 w124 e300 diesel - slowly being modded
98 w208 230 kompressor - m103 testbed SOLD.
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