Rebuild & Upgrade Service for RH Main Piston 81859400
  • Rebuild & Upgrade Service for RH Main Piston 81859400

Right Main Front Piston - Ferrari California


Core exchange is currently not available - your cylinders need to be sent in first for rebuild service with 1-3 days turn around. Using the best seals available, far exceeding OEM quality. Ferrari part number 81859400 RH PISTON MAIN KIT.

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No sales tax for orders in the USA


We provide world class technical support


3-year standard warranty (should last decades)

Rebuild & upgrade service replaces leaking, inferior OEM seals and improves upon top hydraulic cylinder design. Making your Ferrari cylinder better than a brand new one, for a fraction of dealer price.

R.H. Main Piston P/N: 81859400 RH PISTON MAIN KIT

Top Hydraulics does not stock this part, but we will make yours better than a brand new one for a fraction of Ferrari's price, typically with one day turn around of us receiving your original part. Please inquire about our low FedEx rates, both for shipping inside the US and internationally.

Note: in the unlikely event that there is rust or tool damage from cylinder removal on the chromed cylinder shaft, there will be an additional charge for replacing the cylinder shaft and possibly part of the housing.




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