Wagner Cobra Hydraulic Oil

Wagner Divinol HVI ISO 15 Hydraulic Oil – Part # 322912 is the original OEM-specified 250 ml oil for the pressure stage of Cobra 40‑10 and 40‑25 diaphragm pumps. Prevents wear and malfunction and should be replaced per maintenance schedule.

Overview

Wagner Cobra Hydraulic Oil – Divinol HVI ISO 15 (250 ml, Part # 322912) is the only manufacturer-approved hydraulic fluid for the high-pressure diaphragm pump stage used in Wagner Cobra 40‑10 and 40‑25 systems. Using alternate or incorrect oil can cause pump failure or malfunction.

Key Feature

• Ensures proper lubrication and damping action in Cobra pump hydraulic chambers

• Prevents diaphragm wear, cavitation, and system malfunction

• OEM-approved fluid type—ideal replacement during annual or 500-hour oil change intervals YSSAbraziv

• Compact bottle size ensures clean refill and minimal waste

Usage Instructions

Per Wagner maintenance manuals:

• Change oil after 500 service hours or annually (whichever comes first)

• Filling procedure: Place pump horizontally/upside-down, remove plug, top-up hydraulic stage until oil level aligns with fill markings (approx. 17 mm below tank rim). Vent by running briefly to remove air bubbles, then reseal plug and torque per spec.

• Use only original hydraulic oil Part # 322912—wrong fluid can result in malfunction