OldestCityLocal Posted June 26, 2016 Report Share Posted June 26, 2016 I have a 21' maverick MA 62gal tank how do I figure out what sending unit to replace it with. First time messing with it. Ps the screws are all stripped out (previous owner) fun times ahead. Never had a fuel gauge before in this boat Quote Link to comment Share on other sites More sharing options...
DaveC Posted June 27, 2016 Report Share Posted June 27, 2016 What is the year? "If" you can get to the name plate on the tank contact the manufacturer and they can supply you with the factory replacement unit. Or, call MBG I would think they have that information recorded as well... Good luck with the screws, get an easy out and try not to contaminate the tank, those are fun times! Quote Link to comment Share on other sites More sharing options...
OldestCityLocal Posted June 27, 2016 Author Report Share Posted June 27, 2016 got the screws soaked them before hand. cant read anything on the top. think ill just leave it alone and let the mechanic play with. reconsidering playing with gas.lol 1 Quote Link to comment Share on other sites More sharing options...
k.cheshire Posted June 28, 2016 Report Share Posted June 28, 2016 Measure the outside of the tank and take way 1". That should give you the length you need. Or you can buy a cheapo on Amazon and bend the rod to suit your needs. Quote Link to comment Share on other sites More sharing options...
OldestCityLocal Posted June 30, 2016 Author Report Share Posted June 30, 2016 Hey thanks good idea. Quote Link to comment Share on other sites More sharing options...
DaveC Posted June 30, 2016 Report Share Posted June 30, 2016 Did you get the old sending unit out yet? That'd be a good benchmark... Quote Link to comment Share on other sites More sharing options...
all wet Posted July 1, 2016 Report Share Posted July 1, 2016 My factory sending unit crapped out a few years ago, and I replaced it with a WEMA sending unit. It mounts vertically straight up and down in the tank. Measure the depth of the tank with a wood dowel or something, and order a WEMA 1" shallower than the depth of the tank. They work great. Do a web search on them and see what you think. Quote Link to comment Share on other sites More sharing options...
DaveC Posted July 1, 2016 Report Share Posted July 1, 2016 The Wema sending units are the most widely used these days by most tank manufacturers as well... Good choice there. Quote Link to comment Share on other sites More sharing options...
Wanaflatsfish Posted July 3, 2016 Report Share Posted July 3, 2016 The best fuel gauge is your GPS and some basic division.... You should know what is the size of your tank....it's on it somewhere.... run the boat for a few hours - fill it back up, divide by miles = GPM, easy peasy... don't need anything more than a simple log on the boat or your iPhone.... On my skinny mini, i keep the tank 100% fuel after every run...so, no biggie for me..or, you can install an in-line fuel gauge.... dc Quote Link to comment Share on other sites More sharing options...
OldestCityLocal Posted July 5, 2016 Author Report Share Posted July 5, 2016 Thanks for the advise. I'm letting my mechanic install a new one he said it was easy. Now if I can just work it into my deal on the new motor Quote Link to comment Share on other sites More sharing options...
rayrod Posted August 27, 2021 Report Share Posted August 27, 2021 Does anyone happen to know the length of the fuel sender for the 62 gal. In my case 2003 Maverick 21. Quote Link to comment Share on other sites More sharing options...
jim33042 Posted August 27, 2021 Report Share Posted August 27, 2021 6 hours ago, rayrod said: Does anyone happen to know the length of the fuel sender for the 62 gal. In my case 2003 Maverick 21. I didn’t know the length of mine (18’). I removed the old one measured bottom of tank to the top, and subtracted one inch (for a read style replacement). I replaced the old one till the new one came in. I purchased a Kus usa brand off of Amazon. It has worked well and I would recommend brand. KUS USA SSS Fuel & Water Level Sensor https://www.amazon.com/dp/B00Y831JPA/ref=cm_sw_r_sms_api_glt_fabc_BC6B8G0G072EX4RPE5CF?_encoding=UTF8&psc=1 Quote Link to comment Share on other sites More sharing options...
Wanaflatsfish Posted August 28, 2021 Report Share Posted August 28, 2021 Again, I think fuel senders are useless....I have one on my new tank in the Ghost MA17....but, i never use it... I know I get about 3.5 miles per gallon, so I just use my trip and go from there...it does show how much lower the tank is, but, I'd never rely upon it....as I stated a while back, I Always fill the tank unless it was a very short trip...my new tank is 40 gallons so I have about 120 miles range which I never run that far.... The BEST OPTION is a simple in line fuel gauge...i had one on my Pathfinder 22 back in 2005, it was dead on...but, again, after a few trips, I knew my mpg was about 5.5 to 6 at normal cruise 30 mph and about 5 at WOT....so again, I would just always keep it full..... BTW, the risk of stripping screws etc. on a tank 20 years old or in that range far outweighs the benefits of having an accurate sender.....IMO. DC Quote Link to comment Share on other sites More sharing options...
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