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Old 06-01-2018, 02:11 PM   #1
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Captain Ron D's Avatar
City: San Diego, California
Country: USA
Vessel Name: Seas the Moment
Vessel Model: Mainship 400
Join Date: Dec 2016
Posts: 33
Talking Mainship Door Lock Assy.


I own a 2007 Mainship 400. The cabin to cockpit has two doors. The LH door has pins to hold it in the closed position, one at top and one at bottom. The RH door Latches to that door with a handle inside and out, and a turn knob on the inside and a key tumbler assy in the cockpit side. It is a 'DESTRA' #2035 and I understand they are made in Italy.

I have made numerous contacts with locksmith folks etc. and cannot locate either a replacement DESTRA #2035 assembly, or a suitable replacement.

Do any of you Mainship folks have a clue as to whether the DESTRA #2035 is still available OR if there is a substitute assembly that will fit the existing holes in the doors.

Any help would be most appreciated.
'Captain Ron' D

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Old 07-07-2018, 07:58 PM   #2
City: Silverton
Country: United States
Join Date: Sep 2016
Posts: 9
Capt. Ron,
Any luck with finding a replacement lock? I have same problem. Please advise. Thanks, Todd

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Old 01-17-2020, 10:44 AM   #3
City: San Diego
Country: San Diego
Join Date: Nov 2019
Posts: 6
Mainship Expedition door latches

I have two flip latches (top and bottom) on the french door salon doors on my 2009 Mainship Expedition. The top latch works fine but the flip latch/unlatch on the bottom doesn't operate. I can flip it but the post doesn't go into the frame to secure the door. I've tried to take the mechanism out but I don't want to break it. Anybody have this experience? Maybe a locksmith that is familiar with boats?
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Old 01-17-2020, 12:01 PM   #4
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City: Indianapolis
Country: USA
Vessel Name: MV La Vita Dolce
Vessel Model: Cheoy Lee 40 LRC
Join Date: Mar 2018
Posts: 180
Look at the Perko locks, at Fishermans' supply or elsewhere. I found an (expensive) replacement for the door lock there, but an still trying to fix the one I have before buying new.
Cheoy Lee 40 LRC
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Old 01-20-2020, 04:38 PM   #5
City: Norfolk
Country: United States
Vessel Model: Mainship 400
Join Date: Aug 2016
Posts: 23
I have a 2004 MS 400 and lost the keys to the aft cabin door. Went to a locksmith and bought a new "Sliding Door" lock barrel that fit just fine. To do that I had to remove the barrel and bring it to the locksmith so he could see what I was talking about, but he had no problem finding a suitable replacement.
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door lock assembly

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