Mercury - Quicksilver Oil Filter Wrench Service Tool Steel 889277Q01. Overview. When you're maintaining your Mercury outboard, a dependable filter wrench becomes a quiet companion - the kind of tool you reach for without hesitation. The Quicksilver 889277Q01 Oil Filter Wrench makes oil changes feel controlled and clean, even when you're working in tight compartments or dealing with filters that have seen too many heat cycles. It provides that steady, confident feel that lets you service your eng