Lewmar Tunnel, 7-9/32" (185mm) x 3'3"
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Lewmar tunnel for 185TT thrusters—replacement/upgrade part for the thruster tunnel assembly.
Key Features
- Tunnel only (no thruster or motor included)
- Engineered for Lewmar 185TT bow/stern thruster tunnel diameter
- Exact size: 7-9/32" (185mm) diameter x 3'3" (1,000mm) length
Intended Use
- Lewmar 185TT bow thrusters (tunnel replacement)
- Lewmar 185TT stern thrusters (tunnel replacement)
Product Details
- Lewmar Tunnel, 7-9/32" (185mm) x 3'3"
- SKU: 239-589301
- Product description indicates: Tunnel only, fits 185TT Thrusters.
Parts Desk Insights
Best Use Case: Use as a tunnel replacement when servicing or restoring a Lewmar 185TT bow or stern installation and you need the correct tunnel size/length for the thruster tunnel assembly.
Common Issues: Confirm the tunnel diameter and overall length match your existing installation before ordering; during service, also check mating surfaces and any related seals/gaskets in the thruster tunnel area per the service manual/diagram for your specific thruster kit.
Related Products & Accessories
- Browse Thrusters - Find Lewmar 185TT thrusters and related components for tunnel service.
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.