New valve spring inside with the part number 1800530622
Outer diameter Da 20.5mm
Wire thickness d 2.5mm
Length untensioned 42mm
Suitable for Mercedes W105 W120 W128 W180 Ponton
W110 W111 Sedan Fintail
W111 Coupe and Convertible
W121 190SL
Unimog
Transporter Cargo van Truck With engine M121 M127 M180
Replaces part number 1800530322
Genuine Mercedes-Benz spare part from old stock NOS New Old Stock
Please compare with engine number
We are happy to help you with any questions