Packaged for the PVH74 and PVH81, this part is a direct-fit accessory for those Eaton Vickers piston pump variants. Both are common in hydraulic systems where precise pressure control matters, so if you're running either of those units, this is the correct bias piston for the job.
Answer by: Customer Support on Jan 14, 2026, 6:23 AM
So, this is just the bias piston itself, right? Just making sure before I order.
Question by: Joyce M on Jan 20, 2026, 8:15 AM
Correct, this is the bias piston, part number 690816, specifically for PVH74/81 Vickers piston pumps.
Answer by: Customer Support on Jan 21, 2026, 9:28 PM