Sierra 18-6781 Tilt & Trim Motors

SKU: 4002069 - UPC: 808282122034 - MPN: 18-6781
$202.79 $235.09 ( / )

Available Stock : 16

Enhance Your Boating Experience with Reliable Tilt and Trim Performance When you're out on the water, smooth operation of your outboard motor's tilt and trim is crucial for control, fuel efficiency, and safety. The Sierra 18-6781 Tilt & Trim Motor steps in as a dependable replacement that restores that precise...
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Sierra 18-6781 Tilt & Trim Motors Product Description

Enhance Your Boating Experience with Reliable Tilt and Trim Performance

When you're out on the water, smooth operation of your outboard motor's tilt and trim is crucial for control, fuel efficiency, and safety. The Sierra 18-6781 Tilt & Trim Motor steps in as a dependable replacement that restores that precise adjustment, helping you tackle waves, launch effortlessly, and cruise with confidence. Crafted for marine enthusiasts who demand durability without compromise, this motor handles the rigors of saltwater and freshwater environments alike.

Key Features That Stand Out

  • Robust Construction: Built with corrosion-resistant materials to withstand harsh marine conditions, ensuring longevity even after repeated use.
  • Precise Power Delivery: Delivers consistent torque for effortless tilting and trimming, matching or exceeding original equipment performance.
  • Seamless Integration: Designed as a direct-fit replacement, minimizing downtime on the water.
  • Quiet Operation: Reduces noise and vibration, for a more enjoyable ride whether you're fishing or waterskiing.

Why Tilt and Trim Matters for Your Outboard

Imagine struggling to raise your motor at the dock or fighting sluggish response while trimming for optimal planing. A failing tilt and trim motor disrupts everything from handling to engine protection. This Sierra unit revives that responsiveness, optimizing propeller angle for better speed, reduced drag, and lower fuel consumption. Boaters often report noticeable improvements in maneuverability after installation, especially in choppy conditions where quick adjustments make all the difference.

Spotting the Need for Replacement

Listen for unusual grinding, slow movement, or complete failure to respond. Leaking hydraulic fluid or erratic operation are red flags too. Proactively addressing these prevents bigger issues like damaged rams or gears, saving you headaches and repair costs down the line.

Installation Made Straightforward

Most swaps take under an hour with basic tools—no need for a marine mechanic in many cases. Start by disconnecting the battery, removing the old motor assembly, and transferring any necessary components. Secure the new unit, reconnect wiring, and test on the water. Always bleed the system if hydraulic elements are involved to avoid air pockets. For visual guidance, many boaters reference service manuals specific to their engine model.

Pro Tips for Longevity

  1. Rinse with fresh water after saltwater exposure to flush corrosive salts.
  2. Inspect electrical connections seasonally for corrosion.
  3. Avoid overloading by trimming gradually during heavy loads.
  4. Pair with quality hydraulic fluid for peak hydraulic performance.

Choosing Sierra: Aftermarket Excellence

Sierra has built a reputation among boat owners for producing parts that rival OEM quality at a fraction of the hassle. Their engineering focuses on real-world boating demands, incorporating feedback from professionals and weekend warriors. Unlike generic options, Sierra parts undergo rigorous testing for fit, function, and endurance, giving you peace of mind on every outing.

Frequently Asked Questions

What does a tilt and trim motor do on an outboard?

It powers the hydraulic system to raise, lower, and angle the outboard motor, improving boat control, planing efficiency, and engine protection from submersion.

How do I know if my tilt and trim motor is failing?

Common signs include slow or jerky movement, grinding noises, failure to hold position, or no response to controls. Check fluid levels and connections first.

Is the Sierra 18-6781 a direct replacement?

Yes, it's engineered as a plug-and-play fit for compatible outboard models, reducing installation time and complexity.

Can I install this motor myself?

Absolutely, with standard tools and basic mechanical knowledge. Disconnect power, swap the unit, and test. Consult your engine manual for specifics.

How can I maintain my new tilt and trim motor?

Rinse after use in saltwater, inspect wiring and seals regularly, use proper hydraulic fluid, and avoid extreme angles under load.

Does this motor work in both freshwater and saltwater?

Yes, its corrosion-resistant design handles both environments effectively, with proper care extending its life significantly.

What makes Sierra tilt and trim motors reliable?

Sierra uses high-grade materials, precise engineering, and extensive testing to match OEM standards, trusted by boaters for consistent performance.

Tilt & Trim Motors



Save $32 when you buy the Sierra 18-6781 Tilt & Trim Motors for only $202 from NVN Marine! Same day shipping before 3pm.

Sierra 18-6781 Tilt & Trim Motors Technical Specifications

Type: 

Engine | Starters / Alternators / Solenoids

Vendor: 

Sierra Engine Parts

Weight: 

2.94 lb

Replaces: 

Yamaha - 6HI-43880-02-00

Sierra 18-6781 Tilt & Trim Motors User Reviews

Sierra 18-6781 Tilt & Trim Motors Shipping & Return

Shipping Weight: 

2.94 lb

Box Sizes: 

4.00 (h) x 6.00 (w) x 6.00 (l)

Cubic Feet: 

144.0

Returnable: 

Yes

For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.

Sierra 18-6781 Tilt & Trim Motors

$202.79 $235.09 ( / )