Suzuki OEM Windscreen Screw – 5mm (09139-05023)
Genuine Fastener - Used on Cowling & Windscreen Mounts - 1983–1986 GSX/GS Models
This is a genuine Suzuki 5mm OEM screw (part number 09139-05023) used primarily for securing windscreens and cowlings on a wide range of GS and GSX series motorcycles, including the iconic GSX1100 and GS1150 series.
Designed to factory spec for exact fitment and long-term reliability — a small but essential detail for proper fairing restoration. ✅ Common Fitment Includes:
GSX1100E / EF / ES / EE / EX / X (1983–1986)
GS1150EF / ES / E (1984–1986)
GSX750S Katana (1984)
Applicable to multiple cowling and windscreen configurations — across both E-series and F-series
Refer to your OEM parts diagram for exact usage on your model. This screw is typically used in cowling, headlight fairing, or windscreen mounting points. 📐
Part Number: 09139-05023
Thread Size: 5mm
OEM Fitment: Windscreen / Cowling screw
Finish: Factory original (steel)
Use: Mounting fairings, screens, or upper cowling brackets 📦 Why OEM Matters
✅ Exact thread and length
✅ No guesswork — built to fit Suzuki's original design
✅ Correct finish for restorations
✅ Reliable fastening for structural and cosmetic parts
Factory hardware. Factory fit. No shortcuts.