Boat Steering & Controls

The MOTOR MOUNT BOLT (118-3729) is a Sierra replacement motor mount bolt for Mercruiser Stern Drive and Mercury Marine engines. Sierra products meet or exceed the specifications of the original equipment part they replace. It is made with high-quality...

This system controls the timing of intake valve open/close based on engine load. In the low to mid RPM range, it improves air intake efficiency and torque. The air intake is precisely controlled by an electronically controlled single throttle, and a...

Panel Mount 80Amp. 1/4" S.S. Studs on back of breaker, Standard safety 'Trip Free' feature so switch cannot be held 'ON'. Ignition protected design for safe use in below deck boat applications

Choose from premium-quality sailing products to make your next sailboat excursion exceptional and unforgettable. Cotter Pin 18-3737-9, Cotter Pin 5/32" x 1-3/8", Sierra Marine cotter pins are straight, split pins made of stainless steel that firmly affix...

A key component of the ignition system of a Johnson outboard boat motor is the power pack. The power pack provides voltage to the power coils of the ignition system. A Johnson outboard may have issues starting up if its power pack is broken or dead. It's...

The gasket kits from Sierra are made to maintain engine performance while protecting important engine parts. These premium parts provide everything you require for your engine's bottom unit. WARNING: CA PROPOSITION 65 Key features: Lower Unit Seal Kit...

The shift shaft communicates with the gearbox and aids in moving the boat forward or backward. The outboard shifts in and out of the gear as it comes in contact with the transmission. Engineered by Sierra to meet engine demands that can withstand harsh...

Seastar Solutions is well-known for its solid commitment to manufacturing high-quality maritime machinery and accessories. They make products that are known for being long-lasting, safe, and technologically innovative. They are well-known for meeting the...

A well-known global leader produces high-quality electronic ignition and diagnostic solutions as reasonably priced alternatives to OEM components. The Mercury Switch Box - Sierra Marine Engine Parts - 18-5776 (118-5776) is a high-quality component that...

Sierra Marine dual-feed engine flushers are an efficient way to flush fresh water through your boat engine to avoid clogging and corrosion while allowing for engine adjustments. No tools are needed for the installation or removal of these dual-feed...

The battery cable is one of the most crucial components in a battery management system. High-quality battery cables can help you stay connected and reduce battery drain only if correctly sized, installed, and maintained. The corroded or damaged terminals...

A solenoid switch is an electrical switch used when a low current button activates a high current circuit, such as a starter motor circuit. The circuit between the battery and the solenoid switch is complete when the key switch is turned to Start, and...