K-Tech DSS-003 fork dust seals kit for Kawasaki ZX-4RR 2023-2026
02 · Data & docs

The facts.

Technical data
BrandK-Tech
Part NumberDSS-003
Seal ManufacturerNOK
Inner Diameter37.00 mm
Outer Diameter50.30 mm
Height (1)6.00 mm
Height (2)13.10 mm
Scope of Delivery2 dust seals
FitmentKawasaki ZX-4RR (2023–2026)
DescriptionThe whole story

Replacing fork dust seals is one of the most cost-effective ways to keep your Kawasaki ZX-4RR running cleanly and reliably. The K-Tech DSS-003 Dust Seals Kit uses NOK-manufactured seals engineered to a precise fit for the ZX-4RR's 37 mm fork legs, keeping road grime, water and fine dust away from the oil seals beneath — protecting your fork internals and extending service intervals in everyday use.

Key Features

  • Direct OEM-replacement fit for Kawasaki ZX-4RR (2023–2026) — no modification required.
  • NOK-material construction: industry-recognised for durability and consistent sealing performance across a wide range of conditions.
  • Precise dimensional profile (37.00 mm ID / 50.30 mm OD, heights 6.00 mm and 13.10 mm) for a secure, rattle-free seat in the fork leg.
  • Effective barrier against mud, road spray and dust, preventing contamination of the oil seals and fork internals below.
  • Supplied as a complete kit of two dust seals — everything needed to service both fork legs in one purchase.
  • Straightforward value: an affordable, proactive measure that guards against significantly more expensive fork seal or stanchion damage.

Everyday Usability and Fork Protection

The ZX-4RR is equally at home on a spirited road run or a track day, and in either environment the fork dust seals take a continuous assault from fine grit, road film and moisture. Once a dust seal wears or tears, contamination migrates onto the oil seal lip and begins to accelerate wear, eventually causing fork oil weeping and a loss of damping consistency. Fitting a fresh set of K-Tech DSS-003 seals at each fork service or whenever the originals show signs of cracking is an inexpensive habit that pays dividends in predictable fork feel and reduced long-term maintenance costs.

Build Quality

K-Tech specifies NOK sealing material throughout this kit. NOK is one of the world's leading OEM seal suppliers and the material's blend of flexibility and abrasion resistance makes it well suited to the reciprocating motion of a fork stanchion. The profile dimensions are held to tight tolerances so the seal locates correctly in the dust-seal groove without needing to be forced or trimmed.

Fitment and Compatibility

This kit is designed exclusively for the following model:

  • Kawasaki ZX-4RR — all variants, model years 2023, 2024, 2025 and 2026

Fitting should be carried out by an authorised K-Tech service centre. Specialist tools and correct technique are required to seat the seals properly and to ensure the fork assembly performs safely after installation.

Specifications

Part Number DSS-003
Brand K-Tech
Seal Manufacturer NOK
Inner Diameter 37.00 mm
Outer Diameter 50.30 mm
Height 1 6.00 mm
Height 2 13.10 mm
Quantity 2 dust seals (full kit for both fork legs)
Fitment Kawasaki ZX-4RR (2023–2026)
What's includedEverything in the box
  • 2x dust seals
FitmentWhich bikes this fits
  • Kawasaki ZX-4RR (2023–2026)
07 · Support

Questions, one topic at a time.

Estimate your shipping

Get the real shipping cost for this item to your address — the same rates as checkout.

Pick your countrySame rates as checkout

Choose a destination and hit Estimate — we fetch the live rates for this item.

How long does delivery take?

We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.

How much does shipping cost?

Your exact shipping cost is calculated by destination and weight and shown at checkout before you pay — no hidden fees. Express delivery is selectable at checkout where available.

Do you ship to my country?

Yes, we ship to over 130 countries. Prices, taxes and delivery times for your destination are calculated automatically at checkout.

Will I have to pay customs or import duties?

Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.

How can I track my order?

As soon as your parcel ships we email you a tracking link, so you can follow it all the way to your door.

What if an item is out of stock?

On out-of-stock items you can request a delivery time or leave your email to be notified the moment it returns — just use the notification box on the product.

Didn’t find your answer?

Our team will personally help you choose the right gear or part — around 24h for a reply.