K-Tech Dust Seals Kit for Kawasaki ZX-4RR (2023-2026) – DSS-003
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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) |
| Brand | K-Tech |
|---|---|
| Part Number | DSS-003 |
| Seal Manufacturer | NOK |
| Inner Diameter | 37.00 mm |
| Outer Diameter | 50.30 mm |
| Height (1) | 6.00 mm |
| Height (2) | 13.10 mm |
| Scope of Delivery | 2 dust seals |
| Fitment | Kawasaki ZX-4RR (2023–2026) |
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2x dust seals
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// K-Tech
K-Tech Dust Seals Kit for Kawasaki ZX-4RR (2023-2026) – DSS-003

Tech specs
- Brand
- K-Tech
- Part Number
- DSS-003
- Seal Manufacturer
- NOK
- Inner Diameter
- 37.00 mm
- Outer Diameter
- 50.30 mm
- Height (1)
- 6.00 mm
- Height (2)
- 13.10 mm
- Scope of Delivery
- 2 dust seals
- Fitment
- Kawasaki ZX-4RR (2023–2026)
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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