Thermostat Kit (140°F/60°C) – Fits MerCruiser 2.5L & 3.0L (Replaces 59078Q3, 18-3650) 3.6HP ) 300 4-Stroke 1B517434-2B144122 35-893318T02

) 300 4-Stroke 1B517434-2B144122 35-893318T02 Mercury 300 VERADO (6 CYL

Proceed with filling the lower unit with oil per your owner's manual instructions

ensuring bolts are torqued to manufacturer specifications

This impeller is compatible with specific Cummins B Series

Kit Components:

Thermostat Kit (140°F/60°C) – Fits MerCruiser 2.5L & 3.0L (Replaces 59078Q3, 18-3650) 3.6HP ) 300 4-Stroke 1B517434-2B144122 35-893318T02Product Details This Thermostat Kit (140F 60C) is engineered for MerCruiser 2. 5L (120HP) and 3. 0L (140HP) inline 4 cylinder and 6 cylinder GM engines from 1998 and newer equipped with cast iron exhaust manifolds. It ensures your engine maintains the correct operating temperature for optimal performance and longevity. This kit serves as a direct replacement for a wide range of part numbers from brands including MerCruiser, Sierra, Force, GLM,