O'Day 40 Bilge Hose

Mar 24, 2012
74
O'Day 40 BC Coast
Any chance someone here has replaced the bilge hose from the electric bilge pump?
I recently replaced the pump and the hose is showing its age.
 
Sep 24, 2018
4,151
Catalina 30 MKIII Chicago
Will it be easy? Probably not. It's likely routed up, down and around several items. Do you have a specific question regarding replacement on your boat?
 
Mar 24, 2012
74
O'Day 40 BC Coast
Yes, I'm hoping someone else has done it already on an O'Day 39 or 40. (Should have made that clear)
It follows a convoluted path and is either fastened or stuck.
 
Sep 24, 2018
4,151
Catalina 30 MKIII Chicago
Dig into the spaces and you'll probably find where it's hung up. Most boats are built by hand so there will be variations from boat to boat of the same year and model
 
May 26, 2020
1
O'Day 39 Marquette
I haven't fully replaced mine, although I did replace a section of it where the hose attaches to the pump on my 39. When I purchased the boat, there were two pumps float switches located in the bilge directly forward of the companionway, and two hoses that run to port through a hole, under the cabin sole and into the port aft cabin locker where they discharge. It would be tricky to access a large portion of the run, the best solution I can think of would be to utilize a messenger line pulled through by the old hose to pull a new hose through.
 
Aug 17, 2010
351
Oday 35 Barrington / Warwick RI
I replaced both bilge pump hoses on my 35. I used smooth walled flexible tubing.
2016-09-22 12.41.04.jpg

2016-09-22 12.40.34.jpg
 
Last edited:
Aug 17, 2010
351
Oday 35 Barrington / Warwick RI
Seriously!! How do you keep your bilge so clean and dry??!!
Thanks, but those are older pictures. This is what the bilge looked like when I put the boat away in 2025;
20250611_111959.jpg

The keel was dropped and the keel bolts replaced in 2010.
DSCF1523.JPG


This is why;
DSCF1528.JPG

The keel was rebedded with 5200, and then the yard put a layer of fiberglass cloth around the joint.
Barrington-20120512-00123.jpg

- Pic. from when I had the bottom soda-blasted in 2013

Every couple of years I remove the keel bolts, polish them with a toothbrush (the red handle), put a light coat of Tef-Gel on them, then re-torque them as tight as I can get them with a ½" 18" breaker bar (the silver handle).
20250611_111959.jpg

20250611_112044.jpg

Pics. from 2025 haulout.

I have also added G10 Backing Plates under the original 304 Stainless Backing Plates to keep them out of any water that finds its way to the bilge. The original 304 backing plates were drilled out when the keel was dropped to accommodate the larger keel bolts.
20250611_112840.jpg


NO leaks.

PSS Shaft Seal.
2016-10-07 09.13.41.jpg

Pic from 2025 haulout.

Battery operated shop vac. I have the older version of this, which I keep on board;
1770232967205.png
 
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Arrgh

.
Oct 27, 2021
89
ODay 34 Bristol, RI
Thanks, but those are older pictures. This is what the bilge looked like when I put the boat away in 2025;
View attachment 236486
The keel was dropped and the keel bolts replaced in 2010.
View attachment 236482

This is why;
View attachment 236491
The keel was rebedded with 5200, and then the yard put a layer of fiberglass cloth around the joint.
View attachment 236483
- Pic. from when I had the bottom soda-blasted in 2013

Every couple of years I remove the keel bolts, polish them with a toothbrush (the red handle), put a light coat of Tef-Gel on them, then re-torque them as tight as I can get them with a ½" 18" breaker bar (the silver handle).
View attachment 236486
View attachment 236487
Pics. from 2025 haulout.

I have also added G10 Backing Plates under the original 304 Stainless Backing Plates to keep them out of any water that finds its way to the bilge. The original 304 backing plates were drilled out when the keel was dropped to accommodate the larger keel bolts.
View attachment 236488

NO leaks.

PSS Shaft Seal.
View attachment 236484
Pic from 2025 haulout.

Battery operated shop vac. I have the older version of this, which I keep on board;
View attachment 236490
That's impressive!!! My bilge never looks like that!!!
 
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