New Mercury Mercruiser Verado 135-300HP Thermostat Kit 143°F 892864T04 8M0174561

Thermostat Kit for Mercury Verado

This thermostat kit is a 143°F marine cooling component designed for Mercury Verado 135-300HP outboard engines, using OEM cross-reference numbers 892864T04 and 8M0174561. This replacement thermostat kit helps keep engine temperatures stable for consistent operation.

Overview

The thermostat kit is a marine cooling component for Mercury Verado 135-300HP outboards. It replaces worn thermostats to support proper engine temperature. This kit is intended for boat owners and technicians performing routine marine cooling system service.

Built For Performance

• Rated at 143°F for controlled engine cooling
• Replaces OEM part numbers 892864T04 and 8M0174561
• Designed for Mercury Verado 135-300HP four-stroke outboards
• Kit includes thermostat components for routine marine cooling service

Fits These Machines

• for Mercury Verado 135HP outboard
• for Mercury Verado 150HP outboard
• for Mercury Verado 175HP outboard
• for Mercury Verado 200HP outboard
• for Mercury Verado 225HP outboard
• for Mercury Verado 250HP outboard
• for Mercury Verado 300HP outboard

On-The-Job Use

• For replacing cooling system thermostats in compatible four-stroke outboards
• For routine marine maintenance on boats with 135-300HP outboard engines
• For maintaining operating temperature during cruising, trolling, and idle

Specs At A Glance

Good To Know

Q: What temperature rating does this thermostat kit use? A: This kit is rated at 143°F and is designed for Mercury Verado 135-300HP outboards. Always confirm your engine serial number before ordering.

Q: Are the OEM part numbers included in the kit identification? A: Yes, this kit references OEM numbers 892864T04 and 8M0174561. Verify your current part number before purchasing.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.