Genuine Mercedes-Benz Diesel Fuel Line O-Ring Kit – Green, Viton (MA 6019970645)
About this item
These are genuine Mercedes-Benz O-rings for diesel fuel lines—so if you're working on an OM613, OM628, or similar diesel engine, these are exactly what the dealer would sell you.
The part number is A6019970645 (also 601 997 06 45).
They're made in Germany, green in color, and constructed from Viton (FKM), which is the right material for diesel fuel resistance.
This set includes multiple O-rings for fuel pipe connections, injectors, and hoses.
They cross-reference with a ton of numbers: FEBI 38770, 5139592AA, 05139592A, P5640532, and more.
If you've got a diesel Mercedes and you're chasing fuel leaks or just doing a rebuild, these little rings are critical.
They seal the high-pressure and return lines, preventing air leaks and fuel drips.
Genuine MB quality—buy once, cry once.
Hardness and material are exactly what Mercedes specifies.
If your fuel system is leaking, start here.
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