The Massey Ferguson Washer Back-up 377923X1 is a precision hydraulic component used to support seals in high-pressure systems, reducing extrusion and ensuring long-term performance. Commonly found in hydraulic spools and valve assemblies, it plays a vital role in maintaining fluid integrity.
This washer is engineered to exacting OEM standards, made from high-strength materials suitable for continuous exposure to hydraulic oil and mechanical stress. Its back-up design reinforces primary seals, preventing deformation under load.
Produced under AGCO’s quality control as part number 377923X1, this washer fits a wide range of classic Massey Ferguson tractors. It replaces worn components during hydraulic service or overhaul, ensuring system efficiency and operational safety.
Compatible with Massey Ferguson 1000, 500, and 600 Series tractors, including models like 1004, 550, 575, 698T, and 699. Ideal for technicians, fleet managers, and workshop rebuilds focused on hydraulic valve maintenance.
Key Features
✔️ OEM Massey Ferguson part no. 377923X1
✔️ Supports hydraulic seal retention and pressure resistance
✔️ Manufactured from durable, oil-resistant material
✔️ Reduces extrusion and seal deformation
✔️ Essential for spool valves and hydraulic system overhauls
✔️ Trusted fitment for classic MF tractors
🌟 Perfect for: Hydraulic rebuilds, spool valve servicing, MF tractor maintenance