Don't let a two-dollar clamp become the weak link in your Verado or 150-hp FourStroke. The Mercury Clamp 54-888988022 is the factory one-ear ring that secures charge-cooler, fuel, and coolant hoses on dozens of late-model outboards-from 65 Jet right up to the 350 SCi. Formed from 316 stainless and sized at 18.5 mm, it hugs a ⅝-inch hose with uniform, 360-degree pressure-no loose spots, no over-tightened screw to strip.. Why this little ring outlasts generic gear clamps. One-ear Oetiker design self-adjusts as the hose heats, cools, and shrinks-goodbye drips and "mystery" air leaks.. Low-profile band (just 7 mm wide) slides past cowl panels and wiring without snagging.. Exact OEM diameter fits Mercury molded hoses perfectly; no cutting slots or stacking spacers.. Corrosion-proof stainless stands up to salt spray and electrolysis so the crimp you make this season is still solid next year.. Crimp it once with standard ear-clamp pliers and get back to the launch knowing every ounce of cooli