The Mercury 11966 is a screw used in various marine engines and systems. Here are some details about this part: Part Name: SCREW OEM Part Number: 11966 Manufacturer: Mercury Compatibility: Fits various Mercruiser engines, including: 5.7L 350 CID MPI Bravo 5.7L 350 CID MPI Alpha 5.8L 357 CID 4V Bravo 6.3L 383 CID MPI Bravo And more (see related fitment below) Also used in Mercury Inboard Gas Engines (5.7L 350 CID V8 GM 5.7L 350 EC SCORPION) Description: The Mercury 11966 screw is a critical component that helps secure parts together. It plays a vital role in maintaining the integrity of the engine and its systems. Warranty: This OEM part is guaranteed by Mercury’s limited part warranty. Fitment Assurance: We guarantee fitment for this product. CYL HD MT BOLT .437-14X3.75
![Mercury / Quicksilver Screw (.437-14 X 3.750) [11966]](https://cdn.shopify.com/s/files/1/0148/6399/0848/products/NOIMAGE_3a62b024-6c2a-4d52-9efc-c08c2a417b3d.jpg?v=1737040311&width=480)