For Mercury / Mariner Pt No: 8M0117413,8M0168892 It will fit the following four stroke outboard models:F40 EFI 4-cylinder,F50 EFI 4-cylinder,F60 EFI 4-cylinder,40-60HP (1C050252 & Up Material: Black rubberThickness: Varies in places, from 3/16 to 1/4Height: 7/8Width: 1-3/8Length: 4-13/16 The most economical choice you can make! Thermostat Mercury 50C Thermostat 122F For Mercury Mariner Outboard 881429 115HP EFI 4-stroke | UK Mercury Test MPN 881429; 607601519667; EAN Does not apply; Mercury Marine 115hp EFI Outboard Power Tilt & Trim Engine FOR SALE Buy HeuroFosh 14586A3 Thermostat Kit 122°F / 50°C for Mercury Mariner Outboard 2 Stroke 6-25 HP Motor Sierra 18-43052 ⚡ Easy Installation & Plug-and-Play Design No modifications needed — includes necessary hardware/connectors for seamless replacement (mention if tools or instructions are included). ✅ Exact OEM Fitment Guaranteed Direct replacement part matching original specifications (specify compatible makes/models, e.g. 🚗 Trusted by Professionals & DIYers Rigorously tested to meet or exceed OEM standards — reliable performance for mechanics and home garages alike.