Sierra 18-3605 Thermostat Kit for Mercury 225/250 EFI Outboard Engines

The Sierra 18-3605 Thermostat Kit is a replacement thermostat kit built for Mercury 225/250 EFI outboard engines within the serial number range 0G129222 to 0T408999. Sierra manufactures this kit to meet or exceed the specifications of the original equipment thermostat it replaces, giving boat owners and marine technicians a reliable option when servicing the cooling system on applicable Mercury EFI outboards.

The kit features a machined exterior finish and is compact in size, measuring 0.39 x 0.39 x 0.39 inches and weighing 0.13 pounds. It is identified by Sierra part number 18-3605 and UPC 808282265861, and it is covered under Sierra's manufacturer warranty for customer satisfaction.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-3605
• Product Type: Thermostat Kit
• Product Dimensions: 0.39 x 0.39 x 0.39 inches
• Weight: 0.13 pounds
• Exterior Finish: Machined
• UPC: 808282265861
• Category: Mercury Outboard Thermostats & Gaskets

Fitment

• Mercury 225/250 EFI outboard engines, serial numbers 0G129222 to 0T408999

Frequently Asked Questions

What engines does the Sierra 18-3605 Thermostat Kit fit? The Sierra 18-3605 Thermostat Kit fits Mercury 225/250 EFI outboard engines within the serial number range 0G129222 to 0T408999.

Is the 18-3605 a genuine Sierra part or an aftermarket replacement? It is an aftermarket thermostat kit manufactured by Sierra to meet or exceed the specifications of the original equipment thermostat it replaces.

What is included with the 18-3605 kit? This part is sold as a complete Thermostat Kit for the applicable Mercury 225/250 EFI outboard engines, identified by Sierra part number 18-3605.

What are the dimensions of the 18-3605 Thermostat Kit? The kit measures 0.39 x 0.39 x 0.39 inches.

How much does the Sierra 18-3605 Thermostat Kit weigh? It weighs 0.13 pounds.

What is the UPC for the Sierra 18-3605? The UPC for the Sierra 18-3605 Thermostat Kit is 808282265861.

Does Sierra offer a warranty on the 18-3605 Thermostat Kit? Yes, the 18-3605 Thermostat Kit is covered under Sierra's manufacturer warranty for customer satisfaction.

What finish does the 18-3605 thermostat have? The thermostat has a machined exterior finish.

Will the 18-3605 fit other Mercury outboard models? The stated fitment for the 18-3605 Thermostat Kit is limited to Mercury 225/250 EFI outboard engines with serial numbers 0G129222 to 0T408999; confirm your engine's serial number falls within this range before ordering.

What category does the 18-3605 belong to? The Sierra 18-3605 falls under the Mercury Outboard Thermostats & Gaskets category.

Is there a specific OEM Mercury part number that the 18-3605 replaces? No specific OEM cross-reference number is listed for this kit; it is identified and ordered using Sierra part number 18-3605.