The facts.
| Brand | K-Tech |
|---|---|
| Part Number | FSS-015 |
| Seal Manufacturer | NOK |
| Inner Diameter | 43.00 mm |
| Outer Diameter | 54.00 mm |
| Height | 11.00 mm |
| Quantity | 2 seals |
| Fitment | Suzuki GSX-R 1000 (2009–2023) |
DescriptionThe whole story▼
The K-Tech FSS-015 fork oil seal kit brings OEM-grade sealing precision to your Suzuki GSX-R 1000, sourced from NOK — the Japanese seal manufacturer trusted as original equipment by the world's leading suspension builders. From the 2009 generation through to 2023, this kit delivers a direct, fuss-free replacement for worn or weeping fork seals, restoring the crisp, consistent damping character the GSX-R 1000 is renowned for.
Key Features
- NOK-manufactured seals: the same supplier specified by top Japanese suspension OEMs, guaranteeing proven quality and extended service life.
- Exact-fit dimensions — 43.00 mm inner diameter, 54.00 mm outer diameter, 11.00 mm height — for a perfect seal against oil loss without modification.
- Direct OEM replacement: drops straight into the GSX-R 1000 fork legs with no adaptation required, reducing workshop time.
- Kit supplies both fork legs: two seals included for a complete, balanced service in a single purchase.
- Prevents oil weeping that degrades fork action, protects stanchions from contamination, and maintains safe handling.
Heritage and Design
NOK's reputation in precision sealing stretches back decades, and their fork oil seals are a benchmark across the Japanese motorcycle industry. K-Tech has packaged these seals under their own suspension-specialist umbrella because the quality speaks directly to their ethos: components engineered to perform, not merely to fit. The FSS-015 carries that pedigree into every service interval, ensuring that the damping geometry Suzuki's engineers designed into the GSX-R 1000 platform is fully realised — ride after ride, season after season.
Performance and Longevity
A leaking fork seal is far more than a cosmetic nuisance. Oil on the brake disc is a safety hazard, and degraded fork fluid levels alter damping rates and alter the balance that makes the GSX-R 1000 so capable both on road and at the track. Fitting K-Tech NOK seals at the correct service interval eliminates these risks and keeps the fork's full range of adjustment — compression, rebound and preload — responding as intended. The precision tolerances of the 43/54/11 mm seal profile mean consistent lip-to-stanchion contact pressure, which translates directly into longer seal life and a cleaner fork tube surface.
Fitment and Compatibility
This kit is engineered exclusively for the following application:
- Suzuki GSX-R 1000 (2009–2023)
Verify your model year before fitting. Installation requires specialist tools and knowledge; K-Tech recommends fitting by an authorised K-Tech Service Centre to ensure full performance and safety.
Specifications
| Attribute | Detail |
|---|---|
| Brand | K-Tech |
| Part Number | FSS-015 |
| Seal Manufacturer | NOK |
| Inner Diameter | 43.00 mm |
| Outer Diameter | 54.00 mm |
| Height | 11.00 mm |
| Quantity | 2 seals (complete kit for both fork legs) |
| Fitment | Suzuki GSX-R 1000 (2009–2023) |
What's includedEverything in the box▼
- 2x K-Tech fork oil seals (FSS-015) for Suzuki GSX-R 1000 (2009–2023)
FitmentWhich bikes this fits▼
- Suzuki GSX-R 1000 (2009–2023)
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