--- product_id: 90484859 title: "Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine" brand: "itaco" price: "1156196₫" currency: VND in_stock: true reviews_count: 8 url: https://www.desertcart.vn/products/90484859-boat-motor-thermostat-3h6-01030-for-mercury-mercruiser-quicksilver-tohatsu store_origin: VN region: Vietnam --- # Precision 50°C temp control Fits 3.5-40HP outboards Easy engine mount install Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine **Brand:** itaco **Price:** 1156196₫ **Availability:** ✅ In Stock ## Summary > 🌊 Stay cool, run smooth — the thermostat every serious boater needs! ## Quick Answers - **What is this?** Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine by itaco - **How much does it cost?** 1156196₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/90484859-boat-motor-thermostat-3h6-01030-for-mercury-mercruiser-quicksilver-tohatsu) ## Best For - itaco enthusiasts ## Why This Product - Trusted itaco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight & Compact:** At just 0.81 ounces and compact dimensions, it integrates effortlessly without adding bulk or weight to your engine. - • **Wide Compatibility Range:** Seamlessly fits Tohatsu, Nissan, Mercury Mercruiser, and Quicksilver outboards from 3.5HP to 40HP—versatility that keeps you ready for any water adventure. - • **Optimal Thermal Regulation:** Keeps your engine running cool at a precise 50°C, preventing overheating and boosting performance. - • **Durable Aftermarket Quality:** Crafted by ITACO, this brand-new thermostat ensures reliable, long-lasting operation under demanding marine conditions. - • **Simple Manual Operation & Mounting:** Designed for straightforward engine mounting and manual control, so you can upgrade your boat’s cooling system hassle-free. ## Overview The ITACO Boat Motor Thermostat 3H6-01030 is a precision-engineered aftermarket replacement designed for 3.5HP to 40HP outboard engines including Tohatsu, Nissan, Mercury Mercruiser, and Quicksilver models. Operating at a critical 50°C, it ensures optimal engine temperature control to prevent overheating. Lightweight and compact, it mounts easily on 4-stroke gasoline engines, delivering reliable performance and durability for professional-grade marine use. ## Description ## Features - Aftermarket Brand: ITACO - For Tohatsu Nissan Outboard part number 3H6-01030-0, 350-01030-1, 345-01030-1 (Check OEM Part Number before purchase, very IMPT!!!!) - For Tohatsu Nissan Outboard M NS MFS NSF 3.5HP - 40HP models (2 or 4 stroke) - BRAND NEW THERMOSTAT (50 degree C) - Boat Motor Thermostat for Outboard Engine ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | ITACO | | Color | 3H6-01030 Thermostat | | Engine Type | 4 Stroke | | Operation Mode | Manual | | Mounting Type | Engine Mount | | Fuel Type | Gasoline | | Maximum Horsepower | 4E+1 Horsepower | | Manufacturer | ITACO | | Item Weight | 0.81 ounces | | Package Dimensions | 4 x 3 x 1.5 inches | | Manufacturer Part Number | 3H6-01030-0 M | ## Product Details - **Brand:** ITACO - **Color:** 3H6-01030 Thermostat - **Engine Type:** 4 Stroke - **Operation Mode:** Manual - **Mounting Type:** Engine Mount ## Images ![Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine - Image 1](https://m.media-amazon.com/images/I/61qbdmtw3gL.jpg) ![Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine - Image 2](https://m.media-amazon.com/images/I/71dgEz0WW2L.jpg) ![Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine - Image 3](https://m.media-amazon.com/images/I/613IiZ0jaLL.jpg) ![Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine - Image 4](https://m.media-amazon.com/images/I/612tgJElraL.jpg) ![Boat Motor Thermostat 3H6-01030 for Mercury Mercruiser Quicksilver Tohatsu Nissan Outboard M NS 3.5HP - 40HP 50º 50 degrees Engine - Image 5](https://m.media-amazon.com/images/I/61+m0WiHa2L.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Will this fit 2007 yamaha 90 tlr?** A: Yes this item will fit your 90 tlr engine **Q: Will this work 85hp Yamaha 2 stroke** A: Yes. I used it on my Yamaha 150 2 stroke **Q: Will it fit a 9.9 ?** A: I don't know. I was looking for 100HP You have to get the p/n# then cross reference The one I got fits 70-100HP **Q: I’m looking for a thermostat and pressure valve or poppet valve replacement for a yamaha 75hp c75tlru** A: This thermostat should fit your engine. Can u give us the Yamaha part number of the valves in order to check? ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works as it should *by A***R on July 7, 2025* Works good ### ⭐⭐⭐⭐⭐ Good unit *by A***H on April 22, 2025* Good unit ### ⭐⭐⭐⭐⭐ Work says it should *by T***R on October 25, 2021* I've been out in my boat two or three times since I installed it seems to be working well --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/90484859-boat-motor-thermostat-3h6-01030-for-mercury-mercruiser-quicksilver-tohatsu](https://www.desertcart.vn/products/90484859-boat-motor-thermostat-3h6-01030-for-mercury-mercruiser-quicksilver-tohatsu) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-16*