This listing is about a brand new after-market top-quality Piston Ring made by the well-known OEM firm CABER (Italy), and fits the following TORO models, and replaces OEM Part Numbers #690161002 and #5131001908:

  • 51950 (S/N 250000001 & Up)
  • 51950A (S/N 250000001 & Up)
  • 51952 (S/N 260000001 & Up)
  • 51970 (S/N 250000001 & Up)
  • 51970A (S/N 250000001 & Up)
  • 51972 (S/N 260000001 & Up)
  • 51990 (S/N 250000001 & Up)
  • 51990A (S/N 250000001 & Up)
  • 51992 (S/N 260000001 & Up)

Our Piston Rings are branded and come directly from the top-quality and
worldwide-known OEM Manufacturer CABER.

 my_satisfaction-guaranteed

Our Piston Rings are made from I-Cast Iron with high bending strength according to
ISO STD 6621-3:1990 and DIN 70909.

Protect your valuable STIHL machine. Use only Branded & High-Quality Parts.
Enjoy thousands hours of safe and trouble-free operation!

Important Notice:

  • If the Part Number of the spare part shown in this listing does not match yours, please let us know. Manufacturers often replace old Part Numbers with new ones, as they launch new products in the market.

  • If you don't know the OEM Part Number for the piston rings of your machine, please let us know the dimensions of the piston rings you are looking for (diameter x thickness).