Suzuki OEM Nut – 08319‑21057 (5mm Lock Nut) | Genuine Motorcycle & Scooter Fastener

81The Suzuki OEM Lock Nut (Part No. 08319‑21057) is a precision‑engineered 5mm locking nut designed for secure fastening on control levers, handlebar assemblies, switches, and body components.
Used across a wide range of Suzuki motorcycles, scooters, and ATVs, this genuine nut ensures factory‑fit reliability and vibration‑resistant performance.

Product Details

• Part Number: 08319‑21057

• Description: Nut, 5mm Lock

• Thread Size: M5

• Type: Locking nut for secure fastening

• Condition: Brand new genuine Suzuki OEM part

• Material: High‑tensile steel with corrosion‑resistant finish

Key Features

✅ OEM Precision Fit – Matches original factory specifications
✅ Vibration Resistant – Locking design prevents loosening during operation
✅ Durable & Corrosion‑Resistant – Long‑lasting performance in all riding conditions
✅ Versatile Use – Found in handle levers, switches, fenders, and control assemblies

Compatible Suzuki Models (Partial List)

2008–2006

• EN125‑2A – Handle Lever

• RM‑Z450 – Handle Lever

2005–2000

• AN125 / AN125U / AN150 – Handle Lever

• FB100 – Right Handle Lever

• TS185ER – Rear Fender

• UE125CT / UE150CT – Handle Lever

• AG100 – Handle Switch

1999–1990s

• AE50 / AE50R – Handle Lever & Switch

• AX100 – Handle Lever

• DR400S – Handle Switch

• PV50 – Handle Switch

• ZR50 – Handle Switch

• TS50ERK / ERP – Brake & Clutch Lever Mounting

• Multiple FB & FZ50 handlebar switch assemblies

1989–1979

• GN125, GS125, GS125ES – Handle Switch

• RG250 / RG500 – Cowling & control fasteners

• TS185ER – Rear Fender

• SP400, SB200 – Handle Switch

(Covers dozens more Suzuki motorcycles, mopeds, and scooters from 1979–2008. Contact us for exact fitment.)

Why Choose Genuine Suzuki Fasteners?

Using the correct OEM locking nut ensures proper torque, vibration resistance, and safety. Aftermarket nuts may not match Suzuki’s precise thread pitch or locking tension, risking loosening or component damage.