Sierra Tilt/Trim Motors

Sierra Tilt/Trim Motors for Outboard Engines

When you need a reliable replacement tilt/trim motor for your outboard engine, Sierra delivers OEM-grade quality built on nearly six decades of marine aftermarket expertise. Sierra has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry, and their comprehensive line of tilt/trim motors reflects that deep engineering knowledge and commitment to boater satisfaction.

Engineered to Meet or Exceed OEM Standards

Sierra's tilt/trim motors are designed as direct replacements for all major outboard manufacturers, including Mercury, Mariner, Yamaha, Johnson, and Evinrude applications. They meet OEM specifications and are sealed to prevent the ingress of moisture, ensuring dependable performance in harsh saltwater and freshwater environments. Sierra replacement Tilt & Trim Motors meet OEM specifications and feature a high temperature epoxy armature that provides strength to secure wires, delivering durability under constant thermal and mechanical stress.

Performance-Enhanced Design Features

While maintaining compatibility with original equipment, some models may utilize design upgrades for increased performance, like high-torque, low-noise motors that operate more quietly and efficiently than older OEM designs. Whether you're running a compact 45 HP commercial outboard or a high-performance 250 HP engine, Sierra offers application-specific solutions engineered to handle the demanding power requirements of modern marine propulsion systems. Models like the 18-6774, 18-6777, and 18-6782 exemplify Sierra's commitment to broad fitment coverage across horsepower ranges and engine generations.

Complete System Components

Many Sierra tilt/trim motors come as complete assemblies that include not just the motor itself, but also the reservoir, drive shaft coupler, oil seals, O-rings, and necessary hardware—everything needed for a proper installation. This comprehensive approach eliminates the frustration of hunting down individual components and ensures proper system integration. The motors are available in both 2-wire and 3-wire configurations to match your engine's electrical system requirements.

Backed by Industry-Leading Warranty Support

A leading supplier of marine engines and drive parts for over 35 years, Sierra Marine parts are unconditionally backed by their warranty. That means that the company will pay for shop labor, haul out and towing fees and all related incidental charges should a warrantied part fail. This comprehensive warranty coverage demonstrates Sierra's confidence in their manufacturing quality and provides peace of mind for boat owners tackling critical trim system repairs. For recreational boaters and commercial operators alike, Sierra tilt/trim motors represent a cost-effective alternative to OEM parts without sacrificing reliability or performance.