View Full Version : LY6 fuel pump

06-21-2013, 12:11 PM
Help! Sorry if this has been covered already but haven't yet found the correct info. Have a 2007 X-14 with LY6 Indmar 400Hp. Fuel pump has Moller 391070, mastercraft number 155107 and two(!) bosch fuel pumps, part number 0 580 453 604. I'm trying to find either the original bosch fuel pumps or a compatible cross reference. Charlotte ski boats can get me the entire assembly, new m/c part number 155205, but I would like to change just the pumps if I can find them. Thanks!

06-21-2013, 12:43 PM
Are you talking about the pump in the tank?

06-21-2013, 01:44 PM
yes., the in-tank pump assembly

06-21-2013, 01:49 PM
The in tank pump is a e2044 (70.00 instead of 600.00)which is super easy to change all you need is a 3/16 Allen wrench a Phillips screw driver needle nose pliers and a place where a bit of gas won't hurt anything

06-21-2013, 01:55 PM
its going to hard to cross reference the pumps we all went through this a few years ago. Airtex had about the close match i know there was no difference between the airtex and carter. The fuel module will run close $500 retail or install a pump yourself for $50 its up you. Just make sure the pump can do the psi and volume you need and fits in the module proper the band clamp gets cut with side cutters and go to 1/4 hose clamp. Be careful to no damage the feed line and that its in good shape

06-21-2013, 02:51 PM
Already had the assembly apart and an airtex e2044 pump on hand. The Airtex pump will not fit the Moller housing without extensive (and probably non-workable) modifications to the lower and upper plastic mounts in the housing. The Airtex pump goes too deep into the housing, ie the inlet is pressed tight to the bottom of the housing. If I raise the pump up, the top flange of the housing can't latch into position. Am I missing something obvious? Thanks again

06-21-2013, 03:03 PM
Could you post a pic? So the pumps are not the same size?

06-21-2013, 03:30 PM
here's a pix of one of the pumps. Both are identical. The exterior of the metal can is the same diameter as an Airtex, but the bottom extension is much shorter which allows fuel to enter the pump.

06-21-2013, 03:36 PM

sorry, forgot to attach

06-21-2013, 03:38 PM
Never seem the black housing only white here is one we replaced literally yesterday ATTACH]97255[/ATTACH]

06-21-2013, 03:45 PM
gotjag941, that pump looks identical to the Airtex. the problem I'm having is the bottom "nipple" is too long and bottoms out in the housing. If I raise the pump with a spacer, the top of the pump goes too high and wont allow the top retainer of the housing to close. Has anyone modified their housing like that? Thanks for all the replies

06-21-2013, 06:04 PM
there something wrong there I think u bought the wrong pump this is what they look like E2042 in the picture and the carter next to it.
http://i1064.photobucket.com/albums/u379/thamax/photo13_zps3859ae83.jpg (http://s1064.photobucket.com/user/thamax/media/photo13_zps3859ae83.jpg.html)

I run a E2065 and carry a 2042 as a spare and the factory carter that still works

06-21-2013, 06:11 PM
Your module is different from what we have none of part # we gave will work. I don't know if anybody has a crossed that dual pump setup before. My mcx is a single pump returnless system so its different for sure.

06-21-2013, 09:42 PM
I contacted Bosch directly and could only confirm that my pump is only OEM supplied and no further info available to consumers. I also looked at patent # (7114490 if anyone interested) on the pump assembly- it details the specifics of the two pump system, describes what the bottom discs are for (anti-drainback for hard turns and acceleration), and is owned by Millennium Industries Corp, hence the millennium designation on the newer pump modules. I ordered a new pump assembly (m/c number 155205) which should correct the problem. Thanks to everyone for all the helpful input!

06-23-2013, 12:35 PM
is that one of those LQ9 Cadillac motors?