Mercury |Part 8M0078457| OEM Upper Mount Set Marine Outboard Mount Kit

Mercury Precision Parts 8M0078457 is a genuine OEM upper mount set designed for reliable vibration isolation and long-term durability in Mercury and compatible Tohatsu outboard applications. Manufactured to Mercury Marine specifications, this mount kit is engineered to help reduce engine vibration while maintaining proper alignment and dependable performance in demanding marine environments. This OEM upper mount set is commonly associated with Mercury and Tohatsu 8HP and 9.9HP four-stroke outboards with 209cc platforms and is designed for direct replacement fitment.

• Genuine Mercury Precision Parts OEM component
• Part number: 8M0078457
• Upper mount set / upper silent block kit
• Designed for vibration isolation and engine support
• OEM direct replacement fitment
• Durable marine grade construction
• Compatible with select Mercury and Tohatsu four-stroke outboards
• Commonly used on 8HP and 9.9HP 209cc applications
• Suitable for freshwater and saltwater marine environments

Product Disclosure - Scenic City Supply

Scenic City Supply is an independent liquidation company. We are a secondary seller of products and are not affiliated with, sponsored by, or authorized by any product manufacturer. All trademarks, brand names, model numbers, and logos mentioned are the property of their respective owners and are used strictly for identification and compatibility purposes.

Scenic City Supply’s inventory comes from multiple sources, including but not limited to surplus, liquidation, closeouts, overstock, and insurance-loss merchandise. All products are new, OEM, and unused unless otherwise stated. As a liquidator, some items may show cosmetic imperfections such as tarnish, discoloration, or minor surface wear.

These conditions do not affect the function, performance, or integrity of the product.

Packaging may be damaged, show signs of storage, or be replaced for safe delivery. The sale of this product by Scenic City Supply is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser. Any applicable warranties or guarantees will be disclosed in writing at the time of sale.

Every item is opened and inspected prior to shipment to confirm quality and accuracy. If you are not fully satisfied with your purchase, you may return it within 30 days in its original packaging for a full refund.

Shipping & Product Disclaimer

Items are sold as shown in the photos.
Please note that screen settings may cause colors to appear differently.
All measurements are approximate.
Hardware and installation manuals are not included unless specifically stated.

Shipping Policy Notice
SCS offers flat-rate and free shipping on select products shipped to the contiguous 48 U.S. states. If you have any questions about shipping, please feel free to message us and we’ll be happy to assist.

Please note that not all products qualify for discounted shipping. Any applicable shipping discount will be automatically applied at checkout. All shipping addresses must be accessible by a carrier of our choosing.

We typically ship using economy shipping services, which may not include delivery confirmation or signature requirements. If you prefer a specific carrier, shipping method, or additional delivery services, alternative options may be selected at the buyer’s expense.

Free shipping and flat-rate shipping are not available for shipments to PO Boxes, APO/FPO/DPO addresses, Alaska, Hawaii, Puerto Rico, U.S. Territories, or locations where standard carriers such as USPS, UPS, or FedEx do not deliver. In those cases, the buyer agrees to pay any applicable shipping costs.