

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.
No sales tax for orders in the USA
We provide world class technical support
3-year standard warranty (should last decades)
Set of 7 cylinders to be upgraded, using the best seals available. Package discount. The OEM cylinders will all eventually fail, accelerated by heat and impurities or water in the hydraulic fluid - Top Hydraulics replaces the chemically decaying seals with far superior material. You send in your cylinders, and we turn them around quickly.
The full set consists of two main drive cylinders (mounted in the soft top frame), two bow tension cylinders (also mounted in the soft top frame), one tonneau cover lift cylinder, and two locking or latch cylinders (locking down the rear window and the storage cover).
Rear bow latch 05142957AA aka A 193 750 0184
Tonneau cover latch 05166559AA aka A 193 750 0183
Folding top rear bow hydraulic cylinder 05142640AA (left side)
Folding top rear bow hydraulic cylinder 05170014AA (right side)
Main drive cylinder 05142639AA (left side)
Main drive cylinder 05170015AA (right side)
Tonneau cover lift cylinder 05142641AA
The latch cylinders can be sent to Top Hydraulics in their latches.
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.
The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material.
Send in your left bow tension cylinder to be upgraded, using the best seals available.
-OR-
Order a cylinder from our inventory with core exchange. (includes $50 inventory surcharge and $200 deposit)
P/N 5142640AA or 1757-038-B
The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material.
Send in your right bow tension cylinder to be upgraded, using the best seals available.
-OR-
Order a cylinder from our inventory with core exchange. (includes $50 inventory surcharge and $200 deposit)
P/N 5170014AA, sometimes marked 1721-030-B
This hose goes from the pump to the blunt 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 #24 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 shaft 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 #13 from hose assembly P/N: 5142631AA
(P/N 5142631AA corresponds to the pair of hoses #13 and #14)
The PT Cruiser convertible has two lift cylinders for the convertible top. Top Hydraulics' seal material is far superior to the OEM's.
Send in your cylinder(s) to be rebuilt. Rebuild service is $160 per cylinder plus shipping.
-OR-
Order from our stock with core exchange ($200 per cylinder shipping first from our inventory, plus $150/ea deposit plus shipping).
Select the order method below and the price will display accordingly.
There are three rows of number engraved on the cylinder. The middle row identifies the part with the following three being fully interchangeable:
1657-030-A
1657-030-B
1657-030-C
This hose goes from the pump to the bottom 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 #34 from hose assembly P/N: 5142635AA
(P/N 5142635AA corresponds to the pair of hoses #33 and #34)
The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material.
Send in your left main lift cylinder to be upgraded, using the best seals available.
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 5142639AA, sometimes marked 1757-030-A, 1757-030-B or 1757-038-B
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.
The OEM cylinders will all eventually fail due to chemical decay - Top Hydraulics upgrades the seals with far superior material.
Send in your tonneau cover cylinder to be upgraded, using the best seals available.
-OR-
Order a cylinder from our inventory with core exchange. (includes $50 inventory surcharge and $200 deposit)
Engraving on top: 1798-030-A or similar.
Chrysler p/n 5142641AA
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)
You send in your malfunctioning convertible hydraulic pump first to be rebuilt and upgraded.
Chrysler part number 68027037AA
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.
Rear Bow Lock Cylinder 05142957AA or A1937500184 (aka 1937500184 or A 193 750 01 84)
Send in your rear bow latch cylinder to be upgraded, using the best seals available.
-OR-
Order a cylinder (cylinder only) from our inventory with core exchange. (includes $30 inventory surcharge and $100 deposit)
If you are looking to get the entire rear bow lock with cylinder from our inventory, that would be $150 plus $150 deposit and can be ordered here: https://www.tophydraulics.com/chrysler-/606-2188-rebuild-upgrade-service-for-crossfire-rear-bow-latch-cylinder.html#/29-core_exchange-core_exchange_order_from_our_inventory
This hose goes from the pump to the side of the rear 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.
This hose goes from the pump to the shaft 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 #11 from hose assembly P/N: 5142632AA
(P/N 5142632AA corresponds to the pair of hoses #11 and #12)
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.