Part Number: 12013091370 Thermo Switch – Aftermarket Replacement Key Features and Benefits: Precisely designed to match the fit and performance of the original Yanmar thermo switch, ensuring reliable engine temperature control. Compatible with Yanmar 4JH3HTE and 4JH3DTE marine diesel engines. Manufactured to exacting aftermarket standards for durability and dependable operation in demanding environments. Helps protect your engine from overheating by accurately sensing temperature and activating cooling systems when needed. Product Specifications: Part Number: 12013091370 Type: Thermo Switch Application: Marine diesel engines Engine Models: Yanmar 4JH3HTE, Yanmar 4JH3DTE Condition: aftermarket replacement Use Scenarios: 1. Ideal for replacing a worn or faulty thermo switch in Yanmar marine engines to restore proper cooling system function. 2. Suitable for preventative maintenance schedules to help avoid costly downtime caused by overheating. 3. for marine service shops performing routine overhauls on Yanmar 4JH3series engines. Performance and Reliability: This aftermarket thermo switch delivers consistent temperature monitoring for your Yanmar engine, helping maintain operating conditions. Built for marine environments where stability and resistance to corrosion are essential, it offers a costeffective and dependable alternative to OEM parts without compromising function or fit. By installing the 12013091370 thermo switch, you protect your investment in your Yanmar engine, ensuring efficient cooling system operation and extending engine lifespan.