Hitachi Lock Pin - 301-943
Hitachi 301943 — Lock pin (original Hitachi)
Keep your grinder working like new with the original Hitachi 301943 lock pin. This small, solid metal locking pin is the part that secures the gear/spindle cover assembly and related components so wheels and internal parts stay indexed and safe during use and maintenance.
Key details
- Part: Hitachi 301943 — lock pin.
- Typical dimensions used on Hitachi grinders: diameter ≈ 6.5 mm, length ≈ 21 mm (D 6.5 × L 21 mm).
- Construction: solid metal pin designed for repeated insertion/removal when servicing the gear cover or spindle area.
Fits (examples)
- Commonly used in Hitachi / Hikoki 115–125 mm angle grinders and similar models, for example: G13SR4, G13SB3, G13SE3, G12SR4, G14DSL / G14DBL and CM5SB.
Why this part
- Direct replacement from Hitachi’s parts lists and exploded views—drop-in fit for the models above, so you can restore the original locking function without fabrication or modification.
Simple, specific, and ready to install — the original Hitachi 301943 lock pin is the correct small part to secure the gear/spindle area on the Hitachi grinders listed above.
Compatible models this part will fit:
- Hitachi FG12SA2
- Hitachi FG12SB
- Hitachi FG12SB2
- Hitachi G10SB1
- Hitachi G10SD1
- Hitachi G10SD2
- Hitachi G10SF
- Hitachi G10SF2
- Hitachi G10SF3
- Hitachi G10SG
- Hitachi G10SK
- Hitachi G10SK2
- Hitachi G10SK3
- Hitachi G10SP
- Hitachi G10SR
- Hitachi G10SR2
- Hitachi G10SR3
- Hitachi G10SS
- Hitachi G12S1
- Hitachi G12S2
- Hitachi G12SA2
- Hitachi G12SA3
- Hitachi G12SE
- Hitachi G12SE2
- Hitachi G12SG
- Hitachi G12SR
- Hitachi G12SR2
- Hitachi G12SR3
- Hitachi G12SS
- Hitachi G13S1
Showing first 30 compatible models. Contact us for full compatibility info.
