Thread: 300TDT Differing Diffs?

The part number you gave was for the rear cover. Crawl under there again and see if you can get the final drive ratio #, it's stamped into the casing so you'd want to get some brake cleaner and a wire brush to dig through any grease. I have a good differential out of an 87 300D with 120k miles with no whines or clacks if you're interested. I would only need a ratio to compare to the one I have ...

Thanks so much for the quick reply. I'll look for that ratio number and get back to you!

Quote: Originally Posted by seeingstars Thanks so much for the quick reply. I'll look for that ratio number and get back to you! If you crawl in from the rear of the car, should be on the lower drivers side corner.

Make that lower *passenger* side corner.

I've got a 2.87 ratio diff for W124 that's taking up space in the shop. I purchased to use in my 87 300E but went in another direction (5 spd swap). Anyway, its here gathering dust, would love to see it leave. $45 delivered in the 48USA, $40 plus actual shipping anywhere else, duties or Customs fees would be your responsibility.

Quote: Originally Posted by augapfel Make that lower *passenger* side corner. I sit corrected.

will the 300E diff fit in w126 1982 280SE

I doubt it, but you would need to do homework/search to find out.

Thank you

The OP's diff should be a 2:65 ratio, so any diesel 124 should be a suitable donor.