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Lewmar 589552 Replacement Propeller F/250TT Left Hand

SKU: 1000848 - UPC: 743683011320 - MPN: 589552
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$103.79 $126.00 ( / )

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Enhance Your Bow Thruster Performance with the Right Replacement Propeller Owning a vessel equipped with a 250TT series bow thruster means relying on precise maneuvering in tight marinas or challenging docking situations. When the propeller shows signs of wear—like reduced thrust, unusual vibrations, or visible erosion—it's time for a reliable...
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Lewmar 589552 Replacement Propeller F/250TT Left Hand Product Description

Enhance Your Bow Thruster Performance with the Right Replacement Propeller

Owning a vessel equipped with a 250TT series bow thruster means relying on precise maneuvering in tight marinas or challenging docking situations. When the propeller shows signs of wear—like reduced thrust, unusual vibrations, or visible erosion—it's time for a reliable replacement. This left-hand propeller restores full power and efficiency, ensuring smooth operation without compromising safety or control.

Crafted for durability in saltwater environments, it features precision engineering that matches the original specifications. Boat owners appreciate how it minimizes downtime, allowing more time on the water and less in the yard. Whether you're prepping for a season of cruising or maintaining your thruster year-round, this component delivers consistent performance.

Key Features and Benefits

  • Perfect Fit for 250TT Series: Designed specifically as a direct replacement, it slots seamlessly into your existing setup, eliminating guesswork.
  • Left-Hand Rotation: Ensures correct thrust direction for port-side operation, preventing inefficient spinning or reversed performance.
  • High-Grade Materials: Built to resist corrosion and cavitation, extending service life even under heavy use in marine conditions.
  • Optimized Pitch and Diameter: Maintains the thruster's rated power output, providing the thrust you need for confident handling.
  • Balanced Design: Reduces noise and vibration, protecting the gearbox and motor while improving overall vessel control.

These attributes make it a smart choice over generic alternatives, which often lead to premature failure or suboptimal performance.

Compatibility and Simple Installation

This propeller is tailored exclusively for Lewmar's 250TT bow thruster models. Verify your unit's series to confirm fit—it's a straightforward match that supports both standard and upgraded configurations.

Installation Tips from Marine Pros

  1. Power down and secure the thruster: Disconnect battery and engage the safety lock.
  2. Remove the old propeller: Use a propeller puller if seized, applying penetrating oil for stubborn fittings.
  3. Inspect the shaft: Clean thoroughly and check for scoring or wear; lightly grease the taper.
  4. Install the new unit: Align the keyway, torque to spec (typically 20-25 Nm), and secure with the nut and cotter pin.
  5. Test in water: Run brief cycles to check for smooth rotation and full thrust.

Most skippers complete this in under an hour with basic tools. Always follow your thruster manual for torque values to avoid damage.

Long-Term Maintenance for Peak Performance

To maximize longevity, inspect your propeller quarterly or after every 50 hours of use. Look for nicks, bending, or zinc buildup. Routine anode replacement and hull cleaning prevent galvanic corrosion. In freshwater, flush with a descaler to remove mineral deposits. Pairing this with proper zinc anodes on the thruster keeps everything running like new.

Pro tip: Monitor thrust output during operation. A 10-15% drop signals replacement time, saving you from gearbox strain or motor burnout.

Frequently Asked Questions

What bow thruster models is this left-hand propeller compatible with?

It's a direct replacement for Lewmar 250TT series bow thrusters, fitting both standard and common variants without modifications.

Why choose a left-hand propeller specifically?

Left-hand rotation is essential for port-side thrust in twin-propeller setups or single units, ensuring proper directional force and preventing cavitation.

How do I know when to replace my bow thruster propeller?

Signs include reduced thrust, vibration, noise, or visible damage like chips or erosion. Replace proactively after heavy use or impacts.

Is professional installation required?

No, it's DIY-friendly for experienced boaters with basic tools. However, consult a marine technician if you're unsure about shaft condition.

What materials make this propeller durable in saltwater?

High-grade bronze alloy resists corrosion, cavitation, and wear, outperforming cheaper composites in demanding marine environments.

Can I use this propeller in freshwater applications?

Yes, it's versatile for both salt and fresh water, but regular flushing prevents mineral buildup in freshwater use.

Does it restore full thruster power after installation?

Absolutely—its matched pitch and balance ensure original thrust levels, often improving efficiency over worn parts.

Replacement left hand propeller for 250TT series bow thrusters.



Lewmar's 250TT thruster (589552) left-rotating propeller. The product is made of high-quality materials and can provide you with many years of service.

Frequently Asked Questions (FAQ) About Lewmar 589552 Replacement Propeller F/250TT Left Hand

Who is the Lewmar?
How to describe Lewmar 589552 Replacement Propeller F/250TT Left Hand?
What is the highlights of Lewmar 589552 Replacement Propeller F/250TT Left Hand?

Who is the Lewmar?

Since 1946, Lewmar has dedicated itself to making spending time on the water as easy and stress-free as possible; designing and manufacturing innovative and reliable products of the highest quality. With a portfolio of hardware, winches, hydraulics, windlasses, anchors, thrusters, steering systems, hatches and portlights to suit every boat from the smallest day fisher to largest mega-yacht, Lewmar can supply a complete solution whatever your project and requirements.

How to describe Lewmar 589552 Replacement Propeller F/250TT Left Hand?

Lewmar's 250TT thruster (589552) left-rotating propeller. The product is made of high-quality materials and can provide you with many years of service.

What is the highlights of Lewmar 589552 Replacement Propeller F/250TT Left Hand?



Save $22 when you buy the Lewmar 589552 Replacement Propeller F/250TT Left Hand for only $103 from NVN Marine! Same day shipping before 3pm.

Lewmar 589552 Replacement Propeller F/250TT Left Hand Technical Specifications

Type: 

Boat Outfitting | Bow Thrusters

Vendor: 

Lewmar

Weight: 

1.0 lb

Lewmar 589552 Replacement Propeller F/250TT Left Hand User Reviews

Lewmar 589552 Replacement Propeller F/250TT Left Hand Shipping & Return

Shipping Weight: 

1.0 lb

Box Sizes: 

1.00 (h) x 1.00 (w) x 1.00 (l)

Cubic Feet: 

1.0

Returnable: 

Yes

USPS First Class: 

Yes

P65: 

Yes

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

Lewmar 589552 Replacement Propeller F/250TT Left Hand

$103.79 $126.00 ( / )