Trim Pump Relay SIERRA 18-5729

Compatible Engines

The SIERRA 18-5729 trim pump relay is a critical electrical component that ensures the reliable operation of your engine tilt angle adjustment system. Although specific compatible engine models are not listed in the source data, this product is designed for engines where this part number was originally installed. We recommend verifying compatibility by comparing the catalog number 18-5729 or the original OE number with your equipment's technical documentation. If you have any doubts about selecting the correct part, please contact our customer support team, who will assist you in identifying the appropriate relay for your power unit.

Installation and Operation

Replacing the relay is a task that can be performed independently with a bit of care. Before starting work, always disconnect the battery cable to avoid short circuits. Check the condition of the contacts in the connector, and before installing the new unit, ensure it is securely seated in the socket. Regular inspection of this component prevents sudden failures during maneuvers.

• Quality Guarantee – the SIERRA product meets strict manufacturer standards.
• Fast Response – the relay ensures immediate operation of the trim pump.
• Durability – resistant to vibrations and conditions aboard the boat.
• Easy Installation – replacement without the need for wiring modifications.