
GYS 041251 Fan Washer M4 | For GYS G9 Arm (BP.LG, PTI Genius / Genius Plus)
This GYS 041251 fan washer seats under the joint fasteners on the G9 spot-welding arm, an M4 size that spreads clamping load evenly so the joint holds its adjustment. It's small and easy to lose during teardown, so keep a few on the shelf. Cheap insurance against a loose arm joint mid-repair.
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Fan Washer M4 — GYS 041251
Fits GYS G9 arm on BP.LG / PTI Genius / PTI Genius Plus · GYS Ref. 041251
This M4 fan washer sits under the joint fasteners on the GYS G9 spot-welding arm, spreading clamping load evenly across the mounting surface so the arm holds its adjustment under repeated use. It's a small part, but a missing or crushed washer lets the joint work loose over time, throwing off arm alignment. Replacing it is quick and keeps the joint torqued the way GYS specs it.
What You Need To Know
- Sized specifically M4 — a generic washer won't seat the same way against the joint
- Fits the G9 arm across BP.LG, PTI Genius, and PTI Genius Plus setups
- Cheap insurance against a loose arm joint mid-repair
- Worth keeping a few on hand since it's easy to lose during teardown
Specifications
| Type | Fan washer |
| Thread Size | M4 |
| Fits | GYS G9 arm; BP.LG, PTI Genius, PTI Genius Plus systems |
| GYS Ref. | 041251 |
| Sold by | Innovative Solutions CRTE |


















