--- product_id: 103654654 title: "Fresh Water Cooling System for Mercruiser BBC Marine Engines. Half System." brand: "marine engines 4 less" price: "€ 441.76" currency: EUR in_stock: false url: https://www.desertcart.fr/products/103654654-fresh-water-cooling-system-for-mercruiser-bbc-marine-engines-half store_origin: FR region: France --- # Complete conversion kit 2-Year warranty Made in the USA Fresh Water Cooling System for Mercruiser BBC Marine Engines. Half System. **Brand:** marine engines 4 less **Price:** € 441.76 **Availability:** ❌ Out of Stock ## Summary > 🚤 Keep Your Engine Cool and Your Adventures Hot! ## Quick Answers - **What is this?** Fresh Water Cooling System for Mercruiser BBC Marine Engines. Half System. by marine engines 4 less - **How much does it cost?** € 441.76 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/103654654-fresh-water-cooling-system-for-mercruiser-bbc-marine-engines-half) ## Best For - marine engines 4 less enthusiasts ## Why This Product - Trusted marine engines 4 less brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sturdy Build:** Weighs in at 41 pounds for durability and reliability. - • **Tailored Fit:** Designed for most BBC Mercruiser applications (7.4L, 8.2L). - • **Robust Support:** Enjoy peace of mind with 2 years of dedicated email and phone support. - • **Space-Savvy Design:** Compact dimensions (30 x 19 x 13 inches) fit seamlessly in your engine bay. - • **Transform Your Engine:** Upgrade to a fresh water cooling system for optimal performance. ## Overview The Fresh Water Cooling System for Mercruiser BBC Marine Engines is a complete conversion kit designed to enhance the performance of your engine. Made in the USA, this robust system fits most BBC applications (7.4L, 8.2L) and comes with a 2-year warranty, ensuring you have the support you need for a smooth sailing experience. ## Description Freshwater Conversion Kit for Mercruiser BBC (7.4L, 8.2L) Marine Engines. Half System. Fits most applications with low mounted alternatosrBrand Newfreshwater cooling conversion kit for Mercruiser big block chevy marine applications both inboard and sterndrive applications. This kit will fit 7.4L, 8.2L marine applications. This is a "half kit" (i.e. this cools the engine block only). On average, this kit will take 1-2 hours for installation. This kit comes with everything needed for installation. Nothing more will be needed. If you are unsure if this will fit your application, please message us a serial number off of your application (ex. 0F123456)MADE IN THE USA!Will this kit fit my application? Here are some specs:Will fit Mercruiser Big Block applicationsFits big block GM engines (7.4L, 8.2L)Half Kit (cools engine block only)Designed for applications that have the alternator mounted low and the power steering pump mounted high on the port sideReference: MON-MFH-4949 when contacting Center State EngineTwo year warranty with telephone and email customer support provided by the manufacturer.CONVERSION KIT FITSMerCruiser Chevy based big block V8 engines 454-502 CID both sterndrive, inboard and V-drive. Especially designed for the low capacity raw water pumps used on sterndrive engines. Will NOT fit most engines with high mounted alternators such as late model OMC engines. Separate kits are available for those engines. Some engines have fuel line routing and fuel filter location that must be changed slightly. Heat exchanger is 4 1/8" x 22.5" long and fits within overall length, width, and height of most engine conversions. Heat exchanger extends from the inside of the starboard exhaust manifold towards port side clearing most high mounted power steering pumps. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Monitor Products | | Brand | Marine Engines 4 Less | | Item Weight | 41 pounds | | Package Dimensions | 30 x 19 x 13 inches | | Is Discontinued By Manufacturer | No | | Manufacturer Part Number | MON-MFH-4949 | ## Images ![Fresh Water Cooling System for Mercruiser BBC Marine Engines. Half System. - Image 1](https://m.media-amazon.com/images/I/61lVwFBVDiL.jpg) ![Fresh Water Cooling System for Mercruiser BBC Marine Engines. Half System. - Image 2](https://m.media-amazon.com/images/I/41BfaNWxn3L.jpg) --- ## 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.fr/products/103654654-fresh-water-cooling-system-for-mercruiser-bbc-marine-engines-half](https://www.desertcart.fr/products/103654654-fresh-water-cooling-system-for-mercruiser-bbc-marine-engines-half) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-24*