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Lewmar 589103 Tube F/140TT 140X5X1500

SKU: 1002640 - UPC: 743683010927 - MPN: 589103
$372.09 $508.95 ( / )

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Enhance Your Bow Thruster Performance with the Right Replacement Tube Boat owners know the frustration of a bow thruster that underperforms due to wear and tear. This precision-engineered fiberglass tube steps in as the ideal replacement for Lewmar 140TT models, measuring a full 1500mm in length with robust 140mm diameter...
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Lewmar 589103 Tube F/140TT 140X5X1500 Product Description

Enhance Your Bow Thruster Performance with the Right Replacement Tube

Boat owners know the frustration of a bow thruster that underperforms due to wear and tear. This precision-engineered fiberglass tube steps in as the ideal replacement for Lewmar 140TT models, measuring a full 1500mm in length with robust 140mm diameter and 5mm wall thickness. Crafted from high-grade fiberglass, it withstands the harsh marine environment, resisting corrosion from saltwater exposure while maintaining structural integrity under constant thrust demands.

Unlike standard metal alternatives, fiberglass offers superior weight savings, which translates to better fuel efficiency and easier handling during installation. It's designed specifically to fit seamlessly into your 140TT bow thruster setup, restoring smooth, reliable maneuvering in tight marinas or choppy waters.

Key Advantages for Marine Enthusiasts

  • Durability in Demanding Conditions: Fiberglass construction shrugs off UV rays, moisture, and impacts better than many composites, ensuring long-term reliability on your vessel.
  • Perfect Dimensional Match: The 140x5x1500 specs guarantee a drop-in fit, minimizing downtime during replacements.
  • Lightweight Design: Reduces overall thruster weight, improving boat balance and responsiveness.
  • Low Maintenance: Smooth interior surface prevents debris buildup, keeping propulsion efficient without frequent cleaning.
  • Enhanced Safety: Consistent tube performance means predictable thruster output, crucial for docking in wind or current.

Installation Insights for DIY Boat Owners

Swapping out your old tube doesn't require a full thruster teardown. Start by powering down and disconnecting the unit. Carefully extract the worn tube, noting any alignment marks. Slide the new fiberglass tube into place, securing with the original clamps and seals. Apply marine-grade sealant around entry points to prevent water ingress. Test in shallow water to confirm smooth operation before heading offshore.

Pro tip: Inspect surrounding propellers and gears for wear while accessing the tube—this proactive step can prevent future issues and extend your thruster's lifespan significantly.

Maintenance Tips to Maximize Longevity

Regular checks keep this tube performing like new. After every 50 hours of use, visually inspect for cracks or delamination. Rinse with fresh water post-saltwater trips to flush out salt crystals. In storage, cover the thruster to shield from direct sun. If operating in silty waters, flush the tube annually to avoid sediment accumulation that could reduce thrust efficiency.

Pairing this tube with routine anode replacements on your thruster setup creates a bulletproof system against galvanic corrosion.

Why This Tube Excels in Real-World Boating

Sailors and powerboaters alike rave about the renewed control it brings. Imagine effortless parallel parking your 40-foot yacht without the hesitation of a failing tube. This component isn't just a part—it's an upgrade that sharpens your on-water confidence, whether you're exploring coastal inlets or navigating busy harbors.

Frequently Asked Questions

Is this fiberglass tube compatible with all Lewmar 140TT bow thrusters?

Yes, it's engineered as a direct replacement for standard 140TT models, matching the exact 140x5x1500 dimensions for hassle-free installation.

How does fiberglass compare to aluminum tubes for bow thrusters?

Fiberglass is lighter, more corrosion-resistant in saltwater, and less prone to electrolytic damage, making it a superior choice for marine applications.

Can I install this tube myself without professional help?

Absolutely, with basic tools and mechanical know-how. Disconnect power, remove the old tube, insert the new one, and reseal—most jobs take under an hour.

What signs indicate my bow thruster tube needs replacement?

Look for reduced thrust, unusual vibrations, visible cracks, or water leakage around the tube. Early replacement prevents costly thruster damage.

Does this tube affect the warranty on my Lewmar thruster?

Using genuine replacement parts like this maintains warranty integrity, as it meets original specifications.

How often should I replace the fiberglass tube?

Every 3-5 years in heavy saltwater use, or sooner if inspections reveal wear. Proper maintenance can extend this interval.

Is this tube suitable for freshwater boats too?

Yes, its durable fiberglass build performs excellently in both freshwater and saltwater environments.

1500mm long fiberglass tube for 140TT bow thruster





Save $136 when you buy the Lewmar 589103 Tube F/140TT 140X5X1500 for only $372 from NVN Marine! Same day shipping before 3pm.

Lewmar 589103 Tube F/140TT 140X5X1500 Technical Specifications

Type: 

Boat Outfitting | Bow Thrusters

Vendor: 

Lewmar

Weight: 

15.0 lb

Lewmar 589103 Tube F/140TT 140X5X1500 User Reviews

Lewmar 589103 Tube F/140TT 140X5X1500 Shipping & Return

Shipping Weight: 

15.0 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 589103 Tube F/140TT 140X5X1500

$372.09 $508.95 ( / )