Sierra 18-3674 Johnson/Evinrude Thermostat Kit

Sierra 18-3674 Thermostat Kit for Johnson & Evinrude Engines

For Johnson and Evinrude V-6 Crossflow engines.

Use With:

• Thermostat
• 18-3543

Includes:

• (1) 18-1219 Grommet Gasket (V6 Crossflow)
• (1) 18-0182 Thermostat Gasket
• (1) 18-3135 Stainless Steel Bolt
• (1) 18-2546 Thermostat Gasket
• (1) 18-3567 Rubber Valve (V6 Crossflow)
• (1) 18-3562 Valve Cup (V6 Crossflow)
• (1) 18-1243 Valve Spring (V4/V6 Crossflow)
• (1) 18-3563 Poppet Relief Valve (V6 Crossflow)
• (1) 18-3565 Retainer (V6 Crossflow)
• (1) 18-3543 Thermostat

Replaces:

• EMP
• 75-02659
• GLM
• 13280

Frequently Asked Questions

What is the Sierra 18-3674 Thermostat Kit for Johnson & Evinrude Engines used for?

The Sierra 18-3674 is a thermostat kit designed for Johnson and Evinrude V-6 Crossflow engines. The kit includes the 18-3543 thermostat along with the gaskets, grommet, valve, valve cup, spring, poppet relief valve, retainer, and stainless steel bolt specified for the application.

What is included in the Sierra 18-3674 thermostat kit?

The Sierra 18-3674 includes one 18-3543 thermostat, one 18-1219 grommet gasket, two thermostat gaskets (18-0182 and 18-2546), one 18-3135 stainless steel bolt, one 18-3567 rubber valve, one 18-3562 valve cup, one 18-1243 valve spring, one 18-3563 poppet relief valve, and one 18-3565 retainer.

Which Johnson and Evinrude engines does the Sierra 18-3674 fit?

The Sierra 18-3674 thermostat kit is specified for Johnson and Evinrude V-6 Crossflow engines. The product description does not provide specific model years, horsepower ratings, or serial-number ranges, so those details should be verified for your engine before purchasing.

Which thermostat is included with the Sierra 18-3674 kit?

The Sierra 18-3674 kit includes one 18-3543 thermostat. The product description specifically identifies the 18-3543 as the thermostat used with this kit for Johnson and Evinrude V-6 Crossflow applications.

What parts does the Sierra 18-3674 thermostat kit replace?

The Sierra 18-3674 replaces EMP 75-02659 and GLM 13280. These interchangeable numbers can be used when comparing the existing thermostat kit with the Sierra replacement before purchasing.

What should I verify before purchasing the Sierra 18-3674 thermostat kit?

Verify that your engine is a Johnson or Evinrude V-6 Crossflow application. You should also compare the existing thermostat kit with the included component numbers and listed replacement numbers to confirm that the Sierra 18-3674 is the appropriate kit for your engine.

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