Features

Waxit Recommended Pressure Washer Upgrade Kit - Karcher HD

Designed for high-performance and commercial-level setups — this kit refines your Karcher HD pressure washer into a smoother, more powerful detailing tool.

If you’re using a Karcher HD or similar commercial-grade pressure washer, you already have solid hardware. But the accessories often don’t match that same quality. Long, clunky lances, stiff hoses, and restrictive fittings all compromise flow and handling. That’s where this upgrade kit steps in.

We’ve built this setup specifically for the demands of higher pressure and heat-capable units. It pairs flawlessly with most Karcher HD systems, Honda-based units, and other pro machines that use a 3/8" outlet.

At the heart of it is the MTM SG35 short pressure washer gun, built in Italy with stainless steel internals, a 360° swivel, and fast quick-connect swaps. Unlike the long factory wands, this setup gives you direct, agile control — ideal for precise detailing, underbody rinses, or tighter working areas.

The Propulse UBERFLEX 15.2m hose isn’t just longer — it flows better, resists kinks, and stays flexible under load. It’s a major upgrade from the stock heavy rubber hoses that want to fight you the whole job.

Also included: the Aquatouch 030 nozzle set, giving you a full range of 0° to 40° tips — plus a wide fan swivel nozzle for those awkward angles around guards, sills or engine bays.

Need foam? This kit supports all popular foam cannons, and is fully compatible with high-flow units and heat-rated pressure washers.

Whether you're upgrading your shop rig or setting up a mobile van, this kit eliminates bottlenecks and delivers the kind of control and performance you expect from pro-grade equipment.

Frequently Asked Questions

Running a Karcher HD or another pro-level unit? Here’s what you need to know about compatibility, performance, and how this kit transforms your pressure washing setup.

5.0
Rated 5.0 out of 5 stars
Based on 11 reviews
Total 5 star reviews: 11 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
11 reviews
  • JW
    James W.
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Karcher K
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Good product

    Easy company to deal with and a great product, will be back

  • RR
    Roger R.
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Karcher K
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Marcher Upgrade Kit

    Waxit has made it simple to convert my Karcher to short gun with quick connect. All in one simple purchase

    Well done team Waxit

  • AV
    Alexis V.
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Ryobi
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Great upgrade

    Great upgrade to any Ryobi compatible, i have the bottom of line and performing nicely , really happy with this easy upgrade.

  • RS
    Rod S.
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Karcher K
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Upgrade to my Karcher K5

    Ditched the lance, gun and hose on my new K5 compact and upgraded using this kit.

    Very easy process and makes using this little unit a whole lot easier.

    Thanks for putting this all togther in one kit.

  • TP
    Thai P.
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Karcher K
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Superb upgrade

    Purchased the upgrade kit after using the standard Karcher gun and hose once. Having a shorter gun for wheels makes life so much easier and the hose upgrade over the standard one is night and day. No more coiling or kinks and so much easier to manage. The kit also came with all the necessary attachments which made the upgrade seamless!! Great job on the kit

  • JG
    John G.
    Flag of Australia
    Verified Buyer
    Reviewing
    Waxit Recommended Pressure Washer Upgrade Kit - Karcher K
    I recommend this product
    Rated 5 out of 5 stars
    11 months ago
    Quick delivery, well packed, perfect

    Quick delivery, well packed, perfect product.