

Rebuild and Upgrade service for full set of six cylinders and hydraulic pump unit.
Send us your cylinders and pump, or order from our stock by selecting the core exchange option.
Core exchange orders include a $200 inventory surcharge and $800 refundable core deposit.
Audi part numbers:
8H0871795B
8H0871603B
8H0871604B
8H0871607B
8H0871608B
8H0871611 or 8H0959247B -hydraulic pump
No sales tax for orders in the USA
We provide world class technical support
3-year standard warranty (should last decades)
You remove your hydraulic pump and cylinders you would like to have rebuilt, and send them to us, or order directly from our stock by selecting the core exchange option.
Core exchange orders include a $200 inventory surcharge and $800 refundable core deposit.
Important: Polished cylinder shafts must be free of rust or scratches from tools for a successful rebuild. If the shaft needs to be replaced, there will be a surcharge of $150 per shaft replacement with a hardened stainless steel shaft manufactured by Top Hydraulics.
Top Hydraulics can provide replacement hydraulic lines if needed.
Rebuild & Upgrade service for full set of six cylinders and hydraulic pump unit.
Send us your cylinders and pump, or order from our stock by selecting the core exchange option.
Core exchange orders include a $200 inventory surcharge and $800 refundable deposit.
Audi part numbers:
8H0871795B
8H0871603B
8H0871604B
8H0871607B
8H0871608B
8H0871611 / 8H0959247B -hydraulic pump
2008-2009 A4 Cabriolet | Rebuild and Upgrade Service for full set of Audi A4 Convertible Cylinders
Send in your cylinders for rebuild service, or order from our stock by selecting the core exchange option.
Core exchange orders include a $200 inventory surcharge and $600 refundable core deposit
Audi part numbers:
8H0871795B
8H0871603B
8H0871604B
8H0871607B
8H0871608B
Price listed is for Standard Rebuild Service- You send in your cylinders to be rebuilt.
Expedited Core Exchange Option includes a $150 Refundable Core Charge plus a $50 surcharge for inventory management.
Three years warranty.
P/N: 8F0871603
Complete hydraulic system upgrade for model year '98-'06 Audi TT MK1 convertible. We ship the system to you fully assembled, filled with fluid and vented.
Expedited Up Front Shipping aka Core Exchange Option includes a $400 Refundable Core Charge plus a $60 surcharge for inventory management.
Includes:
Rebuilt/Upgraded Hydraulic Cylinders
Four New, Upgraded Hydraulic Lines
Rebuilt/Upgraded Hydraulic Pump
Ships filled and vented for a simple installation
Send us your malfunctioning Audi hydraulic pump for rebuild/upgrade service.
We rebuild and upgrade it and send it back to you!
There are 2 options:
1. We rebuild your pump without the valve block for $250
2. We rebuild your pump with the valve block attached for $350
Your pump will be fully rebuilt and will exceed OEM pressure specs by at least 5%. Three years warranty, and you get a pump that is better inside than a new one.
Order from our inventory with Core Exchange for $600 plus a $400 Refundable Core Charge
The pump be fully rebuilt and will exceed OEM pressure specs by at least 5%. Three years warranty.
2013-2020 A3/S3 Cabriolet
Rebuild and Upgrade Service for Single Hydraulic Cylinders.
If you'd like to have multiple cylinders rebuilt and upgraded, please enter the corresponding quantity before adding to your cart.
Send us your cylinder(s) first and will rebuild them and ship them back to you.
There are six hydraulic cylinders in the Audi A3/S3 convertible top system.
Audi part numbers:
8V7871605
8V7871606
8V7871795
8V7871795
8V7871603
8V7871604
2008-2009 A4 Cabriolet Left Bow Tension Cylinder| Audi Convertible Cylinder Rebuild and Upgrade Service
Remove and send in your cylinder for Rebuild & Upgrade service, or order directly from our stock by selecting the core exchange option.
Core exchange orders include a $40 inventory surcharge and $150 refundable core deposit.
Audi part number: 8H0871603B
Send in your pump first to have it rebuilt for $450 plus return shipping or select the core exchange option for $500 plus $400 deposit plus shipping. (The core exchange option is currently available only within the US.)
Top Hydraulics makes the inside of the pump better than new by using superior components and seals - the outside will not be quite as pretty as a new pump.
Audi part number 8J7871791
You send in your malfunctioning convertible hydraulic pump, and we rebuild it for $450.
2007-2013 Audi TT Mk2| Audi Cylinder Rebuild and Upgrade Service or Core Exchange
Top Hydraulics' Audi TT cylinders are far superior inside compared to brand new ones.
Audi part number: 8J7871795
Specify quantity - default is qty 1. There are two of these cylinders in each Audi TT Mk2 top.
8H0871795B
2003-2007 A4 Cabriolet Main Lift Cylinder| Audi Convertible Cylinder Rebuild and Upgrade Service
Send in your cylinder for Rebuild & Upgrade service, or order directly from our stock by selecting the core exchange option.
Core exchange orders include a $40 inventory surcharge and $150 refundable core deposit.
Audi part number:
8H0871795B
Send us your malfunctioning Audi A3/S3 hydraulic pump for rebuild/upgrade service.
Audi P/N 8V7871791, manufacturer's reference DAI1-124207
Your pump will be fully rebuilt and will exceed OEM pressure specs by at least 5%. Three years warranty.
Rebuild/Upgrade Service for '98-'06 Audi TT MK1 Hydraulic Cylinders plus a full set of new Hydraulic Hoses. Our new hydraulic hoses far exceed OEM specifications - rated burst pressure of 23,200 PSI. The lines are clearly labeled and come with new o-rings.
Core exchange is available for an additional $30 inventory charge and $150 deposit per cylinder.
Send us your malfunctioning Audi hydraulic pump for rebuild/upgrade service.
There are 2 options:
1. We rebuild your pump without the valve block for $250
2. We rebuild your pump with the valve block attached for $350
Your pump will be fully rebuilt and will exceed OEM pressure specs by at least 5%. Three years warranty, and you get a pump that is better inside than a new one.
You send in your malfunctioning convertible hydraulic pump, and we rebuild it for $400.
P/N 8N7871791