8 Tooth Starter For Mercury Mariner 125HP 100HP 110HP 115HP 4886540 50-66015T1

This Nth Gear part is listed for the following year, make, model, and engine applications (verify before you order):

Always confirm year, make, model, trim, and engine against your VIN or service manual. For more options in the same part type, explore our Parts and Accessories category or Starters.

8 Tooth Starter For Mercury Mariner 125HP 100HP 110HP 115HP 4886540 50-66015T1 from Nth Gear is intended for normal automotive service and maintenance—such as brake pad and rotor service, oil and filter changes, or other listed applications—depending on how this SKU is categorized. Follow your owner’s manual and any torque or fluid specs printed on the packaging.

Discover complementary items in our Parts and Accessories collection and Starters.

This listing is an aftermarket replacement manufactured or branded by Nth Gear, engineered to meet or exceed typical OEM performance for the applications described. It is not necessarily a dealer-original part unless the description states otherwise.

Compare alternatives in Parts and Accessories if you need a different formulation, kit, or price point.

You receive the 8 Tooth Starter For Mercury Mariner 125HP 100HP 110HP 115HP 4886540 50-66015T1 (SKU / part number 5736N_NTG-2) as shown in the photos and bullet points. Kits may include filters, gaskets, hardware, or fluids; single components include only that item. Open the Specifications and Includes areas on this page to confirm quantity and contents.

Installation steps depend on the part type (for example, brake pads versus an oil change kit). Work on a cool vehicle, use proper jack stands and tools, torque fasteners to spec, and bed brakes or prime filters per the manufacturer’s instructions. If you are not experienced with suspension or brake work, use a licensed technician.

Find related service items in Parts and Accessories. You may also consider Starter For Mariner / Mercury 75HP 90HP 100HP 115HP 125HP Outboards 50-66015T or Starter For Johnson Evinrude 85HP 90HP 100HP 115HP 140HP Marine Engine 8M6007312.

New, uninstalled items are generally eligible for return within the time window posted in our store policies, provided they are in resalable condition. Reference your order and SKU 5736N_NTG-2 when contacting support. Defective or incorrect shipments should be reported promptly with photos when possible.

Need a different fitment? Browse Parts and Accessories for other compatible options.

Many in-stock orders ship the same business day when placed before the warehouse cutoff. Transit usually takes about 2–5 business days in the contiguous U.S., depending on carrier and destination. Availability is shown near the add-to-cart button on this page.

Shop additional in-stock choices in Parts and Accessories.

Cross-check year, make, model, engine, and trim with the fitment data on this page, your old part number, and SKU 5736N_NTG-2. When in doubt, verify with a dealer parts catalog or qualified mechanic before opening packaging.

Similar listings: Starter For Mariner / Mercury 75HP 90HP 100HP 115HP 125HP Outboards 50-66015T and Starter For Johnson Evinrude 85HP 90HP 100HP 115HP 140HP Marine Engine 8M6007312. Explore the full Parts and Accessories category for oil change kits, brake parts, filters, and more.