

The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material.
Send in your right main lift cylinder to be upgraded, making the part better than new inside.
Expedited Core Exchange Option, where we ship a part from our inventory first, is $250 plus $200 deposit. (Currently available only in the US)
Core exchange is temporarily disabled until we have enough stock again to offer it - we have dozens of pairs out in the field and cores have coming back slower than expected…
P/N 5170015AA, sometimes marked 1758-030-B or similar
No sales tax for orders in the USA
We provide world class technical support
3-year standard warranty (should last decades)
Send in your right main lift cylinder to be upgraded, using the best seals available.
Note: retract the polished shaft on the cylinder before removing the hydraulic line clips. Otherwise, an accidentally slipping tool may scratch or dent the polished shaft so deeply that we need to replace the shaft at a surcharge.
5170015AA |
Expedited Core Exchange Option where Top Hydraulics ships parts from our inventory first is $500 plus a $300 Refundable Core Charge.
This means that you get a rebuilt & upgraded pump from Top Hydraulics' inventory first, then you ship back your original pump for credit of your $450 core refund. You get a pump that has been rebuilt to outlast and outperform brand new ones. Chrysler part number 68027037AA.
You send in your malfunctioning convertible hydraulic pump first to be rebuilt and upgraded.
Chrysler part number 68027037AA
You send in your Tonneau cover latch cylinder 05166559AA aka A 193 750 0183 (aka 1937500183 or A 193 750 01 83), and Top Hydraulics upgrades it with far superior seals, making it better than new!
-OR-
Order from our inventory with core exchange. (Core exchange option is subject to $30 surcharge plus $100 deposit.)
Please note: Latch mechanism not included. We ship you the cylinder only.
This hose goes from the pump to the shaft end of the right Rear Bow cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #23 from hose assembly P/N: 5142634AA
(P/N 5142634AA corresponds to the pair of hoses #23 and #24)
This hose goes from the pump to the bottom end of the right Main Lift cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #14 from hose assembly P/N: 5142631AA
(P/N 5142631AA corresponds to the pair of hoses #13 and #14)
Special Promotional Price!
$1000+$400 refundable core deposit
Includes $400 refundable deposit. Rebuilt & upgraded cylinders, new & superior hoses, rebuilt & upgraded pump. System ships fully assembled and filled with hydraulic fluid. This saves you a lot of labor and frustration, compared to replacing the components one by one. Outstanding value, far superior to original OEM quality.
Set of 7 cylinders to be upgraded, using the best seals available. Package discount. The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material. Send in your cylinders to be rebuilt, and we will rebuild them to better-than-new condition.
If you need to order a set from our inventory first, click here.
This hose goes from the pump to the bottom end of the left Main Lift cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #12 from hose assembly P/N: 5142632AA
(P/N 5142632AA corresponds to the pair of hoses #11 and #12)
Service of all moving parts with three years warranty. The pump goes through extensive testing of flow, pressure in both directions, and extended load testing to make sure it exceeds the manufacturer's specs before we ship it back.
This hose goes from the pump to the rear end of the bow lock cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
You send in your malfunctioning convertible hydraulic pump first to be rebuilt and upgraded.
Chrysler part number 68027037AA
Expedited Core Exchange Option where Top Hydraulics ships parts from our inventory first is $500 plus a $300 Refundable Core Charge.
This means that you get a rebuilt & upgraded pump from Top Hydraulics' inventory first, then you ship back your original pump for credit of your $300 core refund. You get a pump that has been rebuilt to outlast and outperform brand new ones. Chrysler part number 68027037AA.
This hose goes from the pump to the shaft end of the Tonneau Cover Lock cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #31 from hose assembly P/N: 5142637AA
(P/N 5142637AA corresponds to the pair of hoses #31 and #32)
This hose goes from the pump to the shaft end of the left Rear Bow cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #21 from hose assembly P/N: 5142633AA
(P/N 5142633AA corresponds to the pair of hoses #21 and #22)
This hose goes from the pump to the shaft end of the Tonneau Cover Lift cylinder. Each hose has a two-digit number stamped on it in white or red ink near the metal fitting. This number is also stamped on the cylinder port where the line enters the cylinder, and on the pump retaining plate where the line enters the pump.
This is a single hose #33 from hose assembly P/N: 5142635AA
(P/N 5142635AA corresponds to the pair of hoses #33 and #34)
You send in your malfunctioning convertible hydraulic pump first to be rebuilt and upgraded.
P/N 5142638AA and similar. Mercedes p/n reference A193 800 00 30.