Lewmar Tunnel, 5-1/2" (140 mm) x 3'3"
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Lewmar 5-1/2" (140 mm) x 3'3" Tunnel (tunnel only) for compatible 140TT thruster installations.
Key Features
- Tunnel only replacement part
- Designed for Lewmar 140TT tunnel-thruster installations
- Tunnel size: 5-1/2" (140 mm) diameter x 3'3" (1 m) length
Intended Use
- Bow and stern tunnel thruster installations using a Lewmar 140TT tunnel/thruster system
- Replacement/refresh of a worn or damaged tunnel section (tunnel-only)
Product Details
- Lewmar Tunnel, 5-1/2" (140 mm) x 3'3" (Tunnel only)
- SKU: 239-589102
- Variant weight: 6804 g
Parts Desk Insights
Best Use Case: Use this tunnel-only part when you need to restore the tunnel section for a Lewmar 140TT tunnel-thruster installation and the original tunnel is damaged or requires replacement.
Common Issues: Tunnel replacement is a precision job—before installing, confirm your existing thruster system uses a matching 140 mm tunnel and verify mounting/saddle mating details against the thruster/tunnel installation diagram for your exact TT model.
Related Products & Accessories
- Thrusters - Browse the Thrusters collection for complete Lewmar thruster units, tunnel-related components, and related propulsion parts.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.