I think Southwest Diesel & Electrical quoted $2,000 to rebuild the six cylinder OM603 injection pump. I know they aren't cheap to rebuild anyway, but that's insane. Might as well send in the pump to Dieselmeken or Myna for that money.

One of the employees did have a nice 190D ponton in their shop, not that it means anything, but it was neat to look at.

These injection pumps should last hundreds of thousands of miles before having problems, so I imagine a failing pump would either be caused by a poor rebuild (maybe someone had it done as preventative maintenance), poor quality fuel (coagulated waste vegetable oil), lack of fuel filtration, or frequently running the tank empty.

What's also interesting is that I brought them in a set of injectors that I had removed from a wrecking yard car, which looked like they had been freshly rebuilt and they even had the little rubber bands with the painted numbers on them. When I had them tested, they said that they were bad. I asked how bad they were, and they just said that they were bad and couldn't tell me any more than that.

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1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C
1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles