Part # for 5r55w solenoid pack

skeeter123 · 02-03-2011, 10:02 AM

I am planning to replace the transmission solenoid pack on my 2002 Explorer XLT, 4.6L, 5r55w, with Towing package/LS 3.73 differential. Can anyone tell me which part numbers will work in my transmission? I see various p/n's available from aftermarket/remans, new-in-box on E-Bay, etc. for anywhere from $100 - $360

1L2Z-7G391-AG: I believe this is the original, but I haven't eye-balled it on the car.

1L2Z-7G391-AC: Is this compatible? what's the difference from -AG to -AC?

9L2Z-7G391-A: claims to be updated module good for all 5r55w's. Is this true?

Any help or suggested sources would be appreciated.

EasyRhino · 02-07-2011, 09:58 PM

Quote:

Originally Posted by skeeter123

I am planning to replace the transmission solenoid pack on my 2002 Explorer XLT, 4.6L, 5r55w, with Towing package/LS 3.73 differential. Can anyone tell me which part numbers will work in my transmission? I see various p/n's available from aftermarket/remans, new-in-box on E-Bay, etc. for anywhere from $100 - $360

1L2Z-7G391-AG: I believe this is the original, but I haven't eye-balled it on the car.

1L2Z-7G391-AC: Is this compatible? what's the difference from -AG to -AC?

9L2Z-7G391-A: claims to be updated module good for all 5r55w's. Is this true?

Any help or suggested sources would be appreciated.

i'll give this one a bump - need to have this info, too

skeeter123 · 02-08-2011, 07:59 AM

Thanks for the bump! it was feeling lonely out there.

I've concluded that I will buy the 1L2Z-7G391-AG.

This is not based on "conclusive" evidence, but rather that that number is buried under the "Buyer Info" tab on the FordPart.com site. I'm sure that that p/n is good for some of the 5r55w's in service, but I think I have the "early build" pre 3/2/2002 build-date model, and maybe that's the difference. Trying to look up later years to see if there's a newer but backwardly-compatible solenoid just seemed to send their website off to into the boonies (transfer-case diags instead of the transmission diags).

I thought that since there were so many probs with this solenoid pack, that they may have come up with newer revisions to remedy the problems. The newer p/n solenoids are cheaper, too, but I don't get the "feeling" that they are compatible.

My problem isn't an emergency, so fortunately I can shop around for a while and do this when it's convenient. I've got 165K miles on it, original owner, changed ATF at 100K (dealer) and 150K (DIY), has towing package but never really towed before. Shifts a little funny, but its hard to explain the shifting, and its not really that bad, and it gets 17mpg combined city/highway, so I will get around to replacing the solenoid sometime...

Oh, and I've decided to buy a new-in-box, vice re-man, where ever I get it from.
Thanks again.

bigA · 10-25-2011, 02:01 PM

I'm also seeing 9L2Z-7G324AA advertised as a "third revision" to the solenoid pack design. Anybody have any experience with this part? What is considered the "best" solution at this point? I really don't want to be messing with this every 60,000 miles.

*Ronin8002* · 10-25-2011, 02:37 PM

Quote:

Originally Posted by bigA

I'm also seeing 9L2Z-7G324AA advertised as a "third revision" to the solenoid pack design. Anybody have any experience with this part? What is considered the "best" solution at this point? I really don't want to be messing with this every 60,000 miles.

I bought a new one about a month or two ago off of ebay with that part number but haven't installed yet. Going to put it in next month.

I'd say if they updated it then it is probably good to use the most updated one.

*Wills05xlt4x4* · 10-25-2011, 03:27 PM

i hate to veer off topic slightly but i know ronin and i chatted about mine bieng replaced and after a bit of research i found
http://www.transparts.ru/pdf/5r55n_04_w.pdf
it lists part number/ref # i had installed and it is 1L2Z-7G391A
im so confused i cant find any info on this part number anywhere

niteman · 01-20-2012, 07:22 PM

i need the part # for '03 explorer xlt 4.0 with a 5R55W transmission i need it for the solenoid pack can anyone help?

*Ronin8002* · 01-20-2012, 07:28 PM

You can go to fordparts.com, put in your vin or year/make/model and pull it up that way.

02-03-2011, 10:02 AM	#1
skeeter123 Wannabe Elite Explorer 2002 XLT 4.6L Join Date: Sep 2009 Posts: 105 Vehicle Specs (Original Poster)	Part # for 5r55w solenoid pack I am planning to replace the transmission solenoid pack on my 2002 Explorer XLT, 4.6L, 5r55w, with Towing package/LS 3.73 differential. Can anyone tell me which part numbers will work in my transmission? I see various p/n's available from aftermarket/remans, new-in-box on E-Bay, etc. for anywhere from $100 - $360 1L2Z-7G391-AG: I believe this is the original, but I haven't eye-balled it on the car. 1L2Z-7G391-AC: Is this compatible? what's the difference from -AG to -AC? 9L2Z-7G391-A: claims to be updated module good for all 5r55w's. Is this true? Any help or suggested sources would be appreciated.

02-08-2011, 07:59 AM	#3
skeeter123 Wannabe Elite Explorer 2002 XLT 4.6L Join Date: Sep 2009 Posts: 105 Vehicle Specs (Original Poster)	Thanks for the bump! it was feeling lonely out there. I've concluded that I will buy the 1L2Z-7G391-AG. This is not based on "conclusive" evidence, but rather that that number is buried under the "Buyer Info" tab on the FordPart.com site. I'm sure that that p/n is good for some of the 5r55w's in service, but I think I have the "early build" pre 3/2/2002 build-date model, and maybe that's the difference. Trying to look up later years to see if there's a newer but backwardly-compatible solenoid just seemed to send their website off to into the boonies (transfer-case diags instead of the transmission diags). I thought that since there were so many probs with this solenoid pack, that they may have come up with newer revisions to remedy the problems. The newer p/n solenoids are cheaper, too, but I don't get the "feeling" that they are compatible. My problem isn't an emergency, so fortunately I can shop around for a while and do this when it's convenient. I've got 165K miles on it, original owner, changed ATF at 100K (dealer) and 150K (DIY), has towing package but never really towed before. Shifts a little funny, but its hard to explain the shifting, and its not really that bad, and it gets 17mpg combined city/highway, so I will get around to replacing the solenoid sometime... Oh, and I've decided to buy a new-in-box, vice re-man, where ever I get it from. Thanks again. Last edited by skeeter123; 02-08-2011 at 08:18 AM.

10-25-2011, 03:27 PM	#6
Wills05xlt4x4 Elite Explorer Ashland Va 2005 Xlt 4x4 Join Date: Mar 2011 Posts: 879 Vehicle Specs	i hate to veer off topic slightly but i know ronin and i chatted about mine bieng replaced and after a bit of research i found http://www.transparts.ru/pdf/5r55n_04_w.pdf it lists part number/ref # i had installed and it is 1L2Z-7G391A im so confused i cant find any info on this part number anywhere __________________ Factory DVD, third row, rear A/C, Moon roof, Advancetrac RSC, Tow package, Leather everything, Eddie Bauer running boards.MODS- deep transmission pan w/dipstick, 1.5" Body lift, Expedition front tow hooks, Treadwright Guard Dog M/T 265-75/16 C Ply, Telescoping steering wheel mod, 4.56 gears limited slip front and rear,brembo brakes,front skid plate, Cb.FUTURE MODS-rock sliders, oba, steel front bumper w/ warn VR12000, possibly a M90

01-20-2012, 07:28 PM	#8
Ronin8002 Elite Explorer Virginia 2008 XLT Ironman Join Date: Mar 2003 Posts: 3,894 Vehicle Specs	You can go to fordparts.com, put in your vin or year/make/model and pull it up that way. __________________ Mods: 265/70/17 Mickey Thompson Baja STZ on 17x8 Black Rock Viper 900B wheels, Bentley style grille, Raptor style LED grille lights, Pacer performance clearance lights, 30" 180W LED light bar behind grille, BTF upper control arms, Fox 2.0 5" travel emulsion coilover shocks in front/rear Truxx spacers, 1" body lift, front skidplate under radiator, recovery shackle mounts My Rig:http://www.explorerforum.com/forums/...47#post3004247

10-25-2011, 02:01 PM	#4
bigA Wannabe Elite Explorer Valrico, FL 2005 Limited Join Date: Dec 2000 Posts: 32 Vehicle Specs	I'm also seeing 9L2Z-7G324AA advertised as a "third revision" to the solenoid pack design. Anybody have any experience with this part? What is considered the "best" solution at this point? I really don't want to be messing with this every 60,000 miles.

01-20-2012, 07:22 PM	#7
niteman Wannabe Elite Explorer houston,tx 03 explorer Join Date: Aug 2011 Posts: 3 Vehicle Specs	i need the part # for '03 explorer xlt 4.0 with a 5R55W transmission i need it for the solenoid pack can anyone help?