Sierra 223-3664 Thermostat Kit, 190 Degree, Replaces 249970 & 229963, for Kohler Generators

The Sierra 223-3664 Thermostat Kit is a 190 degree F thermostat assembly built for Kohler generator engines. It is engineered to meet or exceed the original equipment part it replaces, holding the engine at the correct operating temperature for reliable, efficient generator performance in continuous or standby duty. The housing has a machined exterior finish for a precise, durable fit against the mating engine surface.

This kit is a direct cross reference for OEM Kohler thermostats 249970 and 229963, making it a straightforward like-for-like replacement when a generator is running hot, running cold, or overdue for scheduled maintenance. It is backed by Sierra's customer satisfaction warranty, which covers the product against defects in workmanship and materials for its useful life, subject to Sierra's additional terms and conditions.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 223-3664
• Temperature Rating: 190 degrees F
• Product Dimensions: 6 x 2 x 6 inches
• Weight: 0.15 pounds
• Exterior Finish: Machined
• UPC: 808282292171
• Category: Kohler Generator Parts

Fitment

• Kohler generator models: 10 E, 10 EG, 12.5 CF, 12.5 E, 13 EG, 13 EGZ, 15 C, 15 EG, 15 EGZ, 16 CF, 20 C, 8 E

Replaces (OEM)

• 249970
• 229963

Frequently Asked Questions

What temperature rating is the Sierra 223-3664 thermostat? The Sierra 223-3664 Thermostat Kit is rated at 190 degrees F, which is the standard operating temperature setting for the Kohler generator engines it is designed for.

Which Kohler generator models does the 223-3664 thermostat kit fit? This kit fits the Kohler 10 E, 10 EG, 12.5 CF, 12.5 E, 13 EG, 13 EGZ, 15 C, 15 EG, 15 EGZ, 16 CF, 20 C, and 8 E generator models.

Does the Sierra 223-3664 replace OEM Kohler part 249970? Yes, the Sierra 223-3664 Thermostat Kit is a direct replacement for Kohler OEM part number 249970.

Does the Sierra 223-3664 replace OEM Kohler part 229963? Yes, Kohler OEM part number 229963 is also replaced by the Sierra 223-3664 Thermostat Kit.

How much does the 223-3664 thermostat kit weigh? The Sierra 223-3664 Thermostat Kit weighs 0.15 pounds.

What are the dimensions of the Sierra 223-3664 thermostat kit? The kit measures 6 x 2 x 6 inches as packaged.

What finish does the Sierra 223-3664 thermostat housing have? The thermostat housing on the Sierra 223-3664 has a machined exterior finish for a precise fit against the engine mating surface.

Is the Sierra 223-3664 an OEM or aftermarket thermostat? The Sierra 223-3664 is an aftermarket thermostat kit engineered to meet or exceed the performance of the original equipment Kohler thermostats it replaces (249970 and 229963).

What is included in the Sierra 223-3664 kit? The Sierra 223-3664 is sold as a complete thermostat kit for Kohler generator engines.

Is the Sierra 223-3664 thermostat covered under warranty? Yes, the Sierra 223-3664 qualifies for Sierra's customer satisfaction warranty, which covers defects in workmanship and materials for the useful life of the product, subject to Sierra's additional terms and conditions.

What type of engine is the Sierra 223-3664 thermostat designed for? The Sierra 223-3664 Thermostat Kit is designed for Kohler generator engines, not automotive or marine propulsion engines.