31EH-00040 31NA-00040 Excavator Hydraulic Oil tank Cover for R215-7 R200-7 R220

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October 21, 2026
Keyword: Excavator Filter
Video Description:
In this video, we take a close look at the 31EH-00040 and 31NA-00040 hydraulic oil tank cover for R215-7, R200-7, and R220 excavators. Watch a detailed walkthrough of its cast construction, built-in breather, and precision sealing surface, plus a demonstration of how the mounting holes allow quick installation and removal. See how this cover helps block dust, mud, and rainwater from entering the reservoir, and learn practical maintenance tips to keep hydraulic oil clean and protect pumps, valves, and cylinders on demanding job sites.