OE Number 91-61069 — molded and designed from original data for an accurate, reliable fit Key benefits Precise OEM-based fit: Built from original-data specifications to match factory tolerances and ensure correct engagement with bearing carrier retaining nuts. Saves time and reduces risk: Simplifies removal and installation so you avoid rounding nuts, cross-threading, or repeated attempts that waste time. Built to last under load: Constructed from high-strength metal to withstand the high torque common on drive units and outboard motors. Versatile service tool: Compatible across multiple drive unit families so you can use one tool for several boat models. What it does (function) Specifically designed to remove and install bearing carrier retaining nuts on drive units and outboard motors, delivering secure contact and controlled torque transfer. Compatibility Compatible with Marine Bravo One, MC-1, R-MR, Alpha One Gen Two and TRS drive units. Intended for mechanics and boat owners working on these exact models; manufactured to match the OEM interface. Material and performance High-strength metal construction for durability under repeated use and heavy torque. Engineered to minimize slippage and deformation during nut removal and installation, helping preserve drive unit components. Why customers need this Prevents damage: Correct tool engagement reduces the chance of damaging bearing carrier nuts and expensive drive components. Reliable repairs: Ensures consistent, repeatable results whether performing routine maintenance or a full drive service. Cost-effective: One durable tool covers multiple drive unit types, reducing the need to buy different specialty tools. Typical applications / use scenarios Routine service at the dock: Use the tool to quickly remove and refit bearing carrier retaining nuts during seasonal inspections and lubrication of Marine Bravo One and Alpha One Gen Two drive units. Garage or workshop maintenance: Professional and home mechanics can rely on the accurate OEM-based fit to perform bearing or seal replacements on MC-1 and TRS drive units without compromising parts. Onboard emergency repair: Sturdy construction and simple operation make it practical for field repairs where fast, correct removal and installation of retaining nuts is required to get a boat back on the water. What to expect A focused, heavy-duty service tool designed to engage bearing carrier retaining nuts precisely on the listed drive units. Long service life under typical marine torque loads when used as intended. Order reference OE Number 91-61069 — select this part when you need a dependable, OEM-data-based tool for bearing carrier retaining nuts on Marine Bravo One, MC-1, R-MR, Alpha One Gen Two and TRS drive units.