uilt for serious marine electronics mounting, the RAM® Large Marine Electronics Adapter Plate with integrated 2.25" D size ball delivers unmatched strength, vibration resistance, and adjustability for demanding marine environments. Manufactured by RAM Mounts, this adapter plate is engineered to support larger fish finders and chartplotters while maintaining precise positioning on rough water.
The universal 11" x 3" plate features multiple pre-drilled hole patterns designed to match a wide range of marine electronics. Included shoulder washers help adapt smaller hardware to larger mounting holes, improving fitment and installation flexibility. Constructed from powder-coated marine-grade aluminum, this mount is built to resist corrosion and harsh saltwater conditions.
Ideal for 8" to 16" marine displays, this adapter integrates seamlessly with RAM D size socket arms, creating a complete heavy-duty mounting system.
If you purchase from Gadget Mounts, you are buying from an Authorized RAM Mounts Dealer.
Features
• Large 11" x 3" universal marine electronics adapter plate
• Integrated 2.25" D size RAM rubber ball for heavy-duty mounting systems
• Multiple pre-drilled hole patterns support many marine electronics devices
• Includes four shoulder washers for hardware size compatibility
• Powder-coated marine-grade aluminum construction
• Designed for RAM D size socket arms
• Made in the USA
• Backed by manufacturer lifetime warranty
Compatibility
• Select 8" – 16" fish finders and marine chartplotters
• RAM D Size (2.25") socket arms
Specifications
Plate Size: 11" x 3"
Ball Size: D Size (2.25")
Hole Pattern: Universal multi-pattern (see manufacturer drawing)
Weight Capacity:
• Standard Use: 6 lbs
• Heavy-Duty Use: 5 lbs
Material: Marine-grade aluminum (powder coated)
Product Weight: 1.36 lbs
Installation Notes
This universal adapter plate supports many marine electronics devices using pre-configured hole patterns. Some installations may require additional drilling depending on device mounting requirements.
What’s Included
• RAM Large Marine Electronics Adapter Plate with 2.25" Ball
• (4) Shoulder Washers (0.312" x 0.187")
Brand and Warranty
Brand: RAM Mounts
Part Number: RAM-D-111BU
Warranty: Manufacturer Lifetime Warranty
