Quincy 7970X Hydraulic Unloader Valve Assembly For Models 308 310 325 350

Quincy Hydraulic Unloader Assembly – Bolt On

(Replacement For Quincy Part 7970X)

Description:
This bolt on 4‑bolt hydraulic unloader assembly is a direct replacement for Quincy compressor models 350, 325, 310, and 308 that require part number 7970X. Designed to match or exceed OEM performance, it ensures your compressor unloads and reloads efficiently, improving cycle consistency and protecting internal components.

Key Specifications:

• Type: Hydraulic unloader valve, 4‑bolt mount

• Compatible Models: Quincy 350, 325, 310, 308 (with part #7970X)

• OEM Reference: Quincy part number 7970X

Why It Matters:
The hydraulic unloader valve is vital for managing pressure in Quincy compressors. It reacts to oil pressure from the crankcase to trigger the unloading process, ensuring that the pump restarts without load. A failing unloader can cause hard starts, pressure issues, or long recovery times—impacting performance and system life.