Item works exactly as described to remove the oil filter from my 2018 Ram 2500 with a Cummins diesel engine. Remove the filter and carefully place it on top of what's directly underneath, being careful not to tip it over. Use your other hand to install it until it is snug against the o-ring/seal on top of the oil filter. Turn the indicated oil filter aside to remove it without pouring a quart or more of used engine oil all over the frame. Remove the tool from the old filter, clean and install the new filter and reverse the process to avoid spilling the new filter that has been filled with fresh oil. Other reviews have mentioned that it can cover most of the filter gasket and while I agree with that it still covers enough that it doesn't leak.
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