SM-3 Replacement BracketReplacement mounting bracket for ACR's SM-3 Marker Light. The "ACR SM-3 Replacement Bracket" likely refers to a replacement bracket for an ACR (Aqualuma Control Relay) lighting system, typically used in marine and underwater applications. Here's some information about this specific component: Aqualuma ACR Lighting System: The Aqualuma ACR lighting system is a type of underwater lighting system used on boats, yachts, and other marine vessels. These systems are designed to illuminate the water around the vessel, providing aesthetic appeal and increased visibility. SM-3 Replacement Bracket: The "SM-3" in the product name could refer to a specific model or version of the Aqualuma ACR lighting system. The "Replacement Bracket" indicates that this is a component used to secure or mount the lighting system. Purpose: Replacement brackets are used when the original bracket becomes damaged, worn out, or otherwise needs replacement. They are essential for maintaining the proper positioning and security of the lighting system. Material: Replacement brackets can be made from various materials, such as stainless steel or durable plastic, to withstand the harsh marine environment and resist corrosion. Installation: Installing a replacement bracket typically involves removing the damaged bracket and attaching the new one in its place. Proper installation is essential to ensure the lighting system functions correctly and remains securely mounted. Compatibility: It's crucial to ensure that the replacement bracket is compatible with your specific ACR lighting system model.