For oil pan plugs 1977 to 1985 Diesels in W123, W116 and W126 chassis passenger cars up through 1985.
You should change this crush washer every time you change your engine oil. Good to have some spares on hand.
OM 616 OM 617 Diesel Engine Oil Drain Plug Copper Sealing Rings - 5 Total
$3.60
SKU:
DSL-PANPLUGRINGS 
Product Details
Related Products:
$19.60
OM 616 OM 617 Diesel Engine Oil Drain Plug Magnetic Pickup - SUPER STRENGTH
Stainless steel! For 1977 to 1985 Diesels in W123, W116 and W126 chassis passenger cars up through 1985.
This engine oil drain plug can help extend the life of your old diesel engine. It is not a normal drain plug, nor is it some cheap magnetic drain plug that will pick up a few paper clips! This one has to have the strongest magnet in the world for its size.
$4.95
616 617 Diesel Engine Oil Pan Bolt ( Nut ) Drain Plug and washer
Replace this drain plug when leaking or starting to round out.
If your pan plug is worn, leaking or rounded off, dont fight it anymore! Buy a new pan plug and copper sealing ring and stop those unsightly oil drips now. This is the small 13 mm head factory pan drain bolt that came on 240D, 300D, 300CD, 300TD and 300SD from 1974 to 1985