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NOTE: Top Hydraulics has temporarily suspended service for Porsche 911 (996/997) Top Hydraulic Cylinders as of 5-22-2017. We apologize for any inconvenience. 

You remove your cylinders you would like to have rebuilt, and send them to us.

Once we receive your cylinders, the turn around time for Porsche cylinders is 1-3 days for rebuild service and we will ship the cylinders back to you by Priority U.S. Mail (2-3 days delivery time).


Our Core Exchange option can make it as easy as buying new cylinders - we send you upgraded cylinders from our stock, and you ship back your old cylinder(s) afterwards for core credit.

Top Hydraulics' standard warranty is 3 years on rebuilds/upgrades of convertible top cylinders and hydraulic pumps, and on new hydraulic hoses.

Not all Porsche 911/996/997 model year cylinders are interchangeable - please specify the model year of your vehicle in the comment section when placing a core exchange order, so that we can ship upgraded cylinders that match the originals in your roadster.

We replace the OEM rod seals with cup seals made of a far superior material that is not vulnerable to water or additives in the hydraulic fluid, and that should last about three times as long as the originals under the same circumstances. Top Hydraulics also manufactures superior port seals (swivel seals, where the hose fittings attach to the cylinders), and superior hydraulic hoses for your cabriolet hydraulics.

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