Description
This is a new iSaveTractors branded piston for the Kohler K90 K91 4HP Cast Iron Engine.

This piston was designed by us and made to our standard. It is perfect in dimension and weight to match the original Kohler OEM piston.

STD Size

Replaces:

Kohler4687401S



About iSaveTractors

Here at iSaveTractors we are actual small tractor and small engine re-builders based in Maine, USA.

We provide the best technical and customer support after the sale. We will guide you throughout your entire engine rebuilding process and make sure you get the correct parts.

Make iSaveTractors your Engine Rebuilding Partner.

Why Buy From iSaveTractors?

  • We offerFREETechnical Support to our customers. We can help you troubleshoot your engine, install parts, and give you maintenance advice!
  • We Don't Just Sell Parts. We Save Tractors! We rebuild and restore engines and equipment every day.
  • We strive for 100% Customer Satisfaction before and after the sale. If you need any help at all with your Tractor Project, let us know and we will help you keep your tractor going for 100 years. We are Tractor Nerds and Certified EETC Technicians.
  • We process ordersFAST!So your equipment can be put back into service quickly