Thermostat (130°F/54°C) – Fits Mercury/Mariner 200-300HP (Replaces 885599003, 885599004, 8M0057307) 9HP including the AQ115–AQ171 and BB115–BB170

including the AQ115–AQ171 and BB115–BB170 series

Notes Mercruiser MCM/MIE engines V6 & V8 4-Stroke 1988 and up 806490T

UV-coated to prevent fading

Brand Part Number / Reference STIFFIE Uniline White 3" Registration Decals Hardline Products USA Series 350 3-Inch Registration Kit QuickMarine 4 Sets 3" Alpha-Numeric Registration Numbers

1 × Impeller Key (90752-ZV7-000)

Thermostat (130°F/54°C) – Fits Mercury/Mariner 200-300HP (Replaces 885599003, 885599004, 8M0057307) 9HP including the AQ115–AQ171 and BB115–BB170Product Details This is a replacement Thermostat (130F 54C) designed for a wide range of Mercury and Mariner 200 300 HP V6 engines, including EFI, DFI, Optimax, Pro XS, and XS models manufactured between 2002 and 2017. It ensures your engine maintains the correct operating temperature for optimal performance and fuel efficiency. It serves as a direct replacement for Mercury OEM parts 885599003, 885599004, and 8M0057307, as well as aftermarket