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HWH Hydraulic Leveling Jack Cylinder

HWH Hydraulic Leveling Jack Cylinder

Best price now

$599.99at Hanna Trailer SupplyObserved at 1:52 PM

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Our take on the HWH Hydraulic Leveling Jack Cylinder

This is a replacement HWH leveling jack cylinder for motorhomes and other RVs with HWH hydraulic leveling systems. It is a pivoting, straight-acting cylinder rated 6x1000, meaning roughly 1,000 lb of lift per jack in a six-jack setup, and it ships with spring assembly R3847. At $599.99 at Hanna Trailer Supply as of November 4, 2026, it is the only new price we track, so there is no recent range to compare against. Buyers should confirm the part number on their existing cylinder before ordering.

Best forRV owners replacing a leaking or seized HWH jack cylinderOwners of six-jack HWH leveling systemsDIY repairs on a pivoting-cylinder jackRestoring a coach to level operation before a trip
Pros
  • Direct-fit HWH replacement rather than a universal cylinder
  • Pivoting cylinder design matches many HWH straight-acting jacks
  • Includes spring assembly R3847
  • 1,000 lb per-jack rating suits typical Class A and large Class C coaches
Cons
  • $599.99 is a steep price for one cylinder
  • Only one store lists it new, so little price competition
  • Installation requires bleeding the hydraulic system and careful spring handling
  • You must verify the part number against your old cylinder before buying

HWH Hydraulic Leveling Jack Cylinder prices at every store

  • Hanna Trailer SupplyNew

    In stock

    $599.99Free shippingObserved at 1:52 PM
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HWH Hydraulic Leveling Jack Cylinder price history

Lowest price we've seen: $599.99 on Nov 4 at Hanna Trailer Supply. Tracked across 1 store since Nov 4.

Specifications

Spring Assembly
R3847
Jack Style
Straight acting
Cylinder Style
Pivoting Cylinder
Capacity
6x1000

Questions and answers

Is this cylinder worth $599.99?
If your coach has an HWH system and the old cylinder is leaking or scored, a correct-fit replacement is the reliable route. At $599.99 at Hanna Trailer Supply as of November 4, 2026, it is the only new price we track, so compare against a rebuild quote before deciding.
How do I know it fits my jack?
Match the part number stamped on your existing cylinder and the R3847 spring assembly. The 6x1000 rating and pivoting straight-acting style must match your HWH system.
Can I replace just one cylinder?
Yes, one cylinder can be swapped on its own. Check the other jacks for leaks and worn springs while you are under the coach.
What is in the box?
Expect the cylinder and the R3847 spring assembly. Hoses, fittings and hydraulic fluid are typically not included, so order those separately if needed.
When is it cheapest?
Only one store lists it new, so there is no sale pattern to track. Watch for RV parts promotions at Hanna Trailer Supply around spring and pre-season sales.
Where is the HWH Hydraulic Leveling Jack Cylinder cheapest?
At Hanna Trailer Supply, for $599.99, as of our latest check.