Spare part: Rubber bumper with power button for Garmin Oregon 550 (flexible, waterproof) SKU: GP03264MPN: GP03264Weight: 0.04 oz (0.001 kg)Condition: New Material: Reinforced rubber (waterproof and flexible)Сomplexity level: 5 (Level 5 - Moderate difficulty, requires disassembly of the case and the use of additional materials (glue, sealant, double-sided tape).)Necessary tools: screwdriver: T6; knife, plastic spudger Compatible with: Garmin Oregon 200, 300, 400t, 400c, 400i, 450, 450t, 550, 550t; Approach G5 Installation manual: Remove the battery and clean the case to remove any dirt. Avoid getting it wet. The front part of the case is made up of a plastic base with a rubber layer on top. Use a knife to carefully slice through the rubber layer. Employ a plastic tool to peel off the old rubber layer from the button. Wipe the surface clean using ethyl alcohol. For enhanced adhesion, apply a primer. Apply adhesive evenly across the prepared surface to ensure strong adhesion and a waterproof seal. Position the button carefully and press firmly to bond the rubber to the plastic base. Allow it to set for 24 hours to ensure optimal adhesion and curing. Congratulations! You have successfully restored your device to working and waterproof condition! Glue recommendation: LOCTITE 4861, Permabond 751, LOCTITE 454 (superglue, if you need strong adhesion), Permabond 2011, 3M Scotch-Weld SI Gel Primer recommendation: LOCTITE SF 770, 3M 94, 3M AC77, Permabond POP