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Dana 44 parts list

Old 04-27-2012, 06:02 PM
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Dana 44 parts list

Here is a list of accumulated Dana 44 related part numbers and descriptions. It will be edited as new numbers are found. If you have any updates or corrections please PM me. These part numbers compiled off TGO and my personal parts buying experience.

GM Part Numbers

Complete axle part number
14044853
14044889 Differential Case Kit (Bare) For 3.31:1 ratio, less internal gears.
10132882 Differential Case Kit (Bare) For 3.92:1 and 4.09:1 ratio, less internal gears.

Ring and pinion assemblies
3.31:1 - 14044859
3.92:1 - 14044863
4.09:1 - 14044864

10036870 Bracket
10046472 lever
18014954 Disk Caliper (2)
14044892 Axle bearings and seals
14065768 Hand brake lever
14073080 Cable RH
14077717 Cable LH
17980325 Brake Hose
17980326 Brake Hose
17980428 Hose
18014287 Master Cylinder
25517739 Proportioning valve
25527167 Retainer
3738462 Breather Vent
9409961 Cover Fill Plug
14044856 Axle Shaft, Left Hand
14044857 Axle Shaft, Right Hand
3833322 Rear Axle Shaft Lock, .160" thick
9412259 Outer Pinion Bearing Assembly
14044895 Pinion Preload Shim Kit
10046337 Pinion Oil Seal
9415227 Inner Pinon Bearing
14079449 Outer Pinion Slinger
10120940 Cover Plate
14024331 Disc and Plate Kit
14105915 Differential Cluster Clip (Retainer)
6259138 Differential Shaft
14091420 Ring Gear Bolt
9412265 Differential Bearing Assembly
1784579 Differential Shim (.003")
1784580 Differential Shim (.005")
1784581 Differential Shim (.010")
1784582 Differential Shim (.036")
3957940 Differential Thrust Washer For 22 plate positraction.
12545628 Universal Joint Kit Cap size 11/8" x 11/16"
9422308 Nut
3910340 Heavy-Duty Rear Axle Bolt 7/16 - 20 x 13/4" long.
3819780 Heavy-Duty Rear Axle Bolt 1/2-20 x 27/8" long.
14044892 Rear Wheel Bearing Kit, Outer Incl oil seal retainer, oil seal, bearing assembly, and ring retainer.
18019031 Rear Brake Caliper




Aftermarket parts:

Timken Seal 35938-1
Timken Bearing u298 (A9 Assembly)
Timken Race U261L

Fel=Pro Differential Cover Gasket: RDS 6629

Rear U Joint Nepco 3-3130 or a Precision 372
Attached Thumbnails Dana 44 parts list-bearing-kit.jpg   Dana 44 parts list-kit2.jpg   Dana 44 parts list-kit3.jpg  

Last edited by Justin89Formy; 05-21-2014 at 07:52 AM.
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Old 04-27-2012, 06:10 PM
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Re: Dana 44 parts list

Stickied
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Old 04-27-2012, 09:29 PM
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Re: Dana 44 parts list

Why post a useless part number? I just looked up the "Complete axle part number 14044853" on gmpartsdirect.com, no results. There are a few out there, well-used, but there will never be any more.
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Old 04-28-2012, 08:05 AM
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Re: Dana 44 parts list

Historical purposes

Last edited by Justin89Formy; 04-28-2012 at 11:08 AM.
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Old 05-14-2012, 09:02 PM
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Re: Dana 44 parts list

Attached is the GM installation bulletin for Dana 44's. I recently picked this up along with a rear and figured I'd throw this up for everyone.
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img-515002239-0001.pdf (903.6 KB, 628 views)
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Old 05-17-2012, 08:15 AM
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Re: Dana 44 parts list

Thats amazing! Thanks for posting this! I will take those numbers and update my post later today.
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Old 05-17-2012, 10:17 PM
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Re: Dana 44 parts list

Well, it wasn't going to do any good just sitting in a folder!
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Old 05-17-2012, 10:36 PM
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Re: Dana 44 parts list

I've been looking for that installation manual for years! Thanks for posting all this info.
Here are a couple of engineering drawings I got when I purchased my Dana from a guy that worked at the Dana plant in Indiana. He "purchased" his factory direct and installed it in his SCCA Camaro.





I've sourced a few factory manuals on-line as well.
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Old 05-17-2012, 10:44 PM
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Re: Dana 44 parts list

Some additional data.
There are probably some duplicate numbers here (to Justin's list) but this is lifted from the GMPP catalog of the day.
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Old 05-17-2012, 10:59 PM
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Re: Dana 44 parts list

I will double check my PNs for the outer seals , I had some incorrectly numbered seals from a certain manufacturer and it was a goose chase trying to figure out what was wrong. I'll try to post up details if I can find the info

and thank you, this is an incredibly helpful thread
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Old 06-03-2012, 05:12 PM
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Re: Dana 44 parts list

hmm just exploded the carrier in my 44 today and looking for a new one anybody have some good ideas? 500 hp t-5 and 12" slicks on my autocross car leaning toward true trac but not sure.
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Old 06-20-2012, 06:03 PM
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Re: Dana 44 parts list

Anyone happen to know the axle offset? For some reason mine is 3". I need to take a look at my axles. I assumed it would be the same as my 9 bolt (~2 5/8").

skinny z, would it be possible to send me hi-res versions of your engineering drawings?

Thanks,

John
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Old 06-21-2012, 08:15 AM
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Re: Dana 44 parts list

Originally Posted by 87350IROC View Post
....skinny z, would it be possible to send me hi-res versions of your engineering drawings
Thanks,John
I'm not sure. The prints are 18" x 24" so to capture the full image it's a long distance shot.
What I could do is take close ups and try to cover the whole thing in 4 or 5 pictures.
I could e-mail them to you which will help the quality as well.
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Old 06-24-2012, 07:33 PM
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Re: Dana 44 parts list

That really helps. The drawing shows an axle offset of 2.618"

My Dana 44 that I am building came with 2 sets of axles both of which were around 3" offset. These axles look stock to me. See picture below.

So this whole time I had been assuming they were the same offset as stock. Because they are supposed to be. So I sent in one of the sets to be copied by Mark Williams. Only after a few months of designing and building brake brackets (for a set of CTS-V Brembos), ordering HRE wheels, etc... did I realize that these axles have a different offset than my old 9 bolt.

So in short.

- I spec'd my wheels to the old 9 bolt assuming the "direct replacement" D44 would not change the fitment.

- I sped'd the brake brackets to the 3" offset D44

So now my wheels are going to stick out an extra 3/8" due to the extra offset. Not good. I already had them sped'd pretty sporty.

So my questions are:

Does the axle above look like an OEM D44 axle?

Can anyone confirm the axle offset of their actual D44?

Any good ideas?

Thanks,

John

In back is the axle that came with my D44. In front my new Mark Williams axle.

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Old 06-25-2012, 04:50 PM
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Re: Dana 44 parts list

Originally Posted by 87350IROC View Post
That really helps. The drawing shows an axle offset of 2.618"
Does the axle above look like an OEM D44 axle?
Can anyone confirm the axle offset of their actual D44?
Any good ideas?
If my Dana were still in pieces I could take a few pics. That's not the case, however it looks like the axles I pulled out. If memory serves...Sorry I can't help you on the actual offset.
There a few characters on this forum that have these differentials. I think one of them posted that his has just blown up. He might have it in pieces by now. You would have to search for him.
Is it not possible to have the axle machined to reduce the amount of offset? Considering that it's been machined to get where you are now, It would seem a simple task to turn the backside of the flange down another 3/8ths or so.
Just throwing it out there.
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Old 06-25-2012, 05:10 PM
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Re: Dana 44 parts list

Originally Posted by skinny z View Post
If my Dana were still in pieces I could take a few pics. That's not the case, however it looks like the axles I pulled out. If memory serves...Sorry I can't help you on the actual offset.
There a few characters on this forum that have these differentials. I think one of them posted that his has just blown up. He might have it in pieces by now. You would have to search for him.
Is it not possible to have the axle machined to reduce the amount of offset? Considering that it's been machined to get where you are now, It would seem a simple task to turn the backside of the flange down another 3/8ths or so.
Just throwing it out there.
Yup I hear you. Machining the axles down probably wouldn't be to hard or costly. However I just had my custom Brembo brake brackets made ($$$$) which I designed to fit the axles, before I realized I had an offset issue. So those would need to be rebuilt or modified as well.

Thanks for the thoughts.
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Old 06-25-2012, 05:15 PM
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Re: Dana 44 parts list

I'll measure both housings. I have both the 10 bolt and the dana out of the car at the moment.

Originally Posted by 87350IROC View Post
That really helps. The drawing shows an axle offset of 2.618"

My Dana 44 that I am building came with 2 sets of axles both of which were around 3" offset. These axles look stock to me. See picture below.

So this whole time I had been assuming they were the same offset as stock. Because they are supposed to be. So I sent in one of the sets to be copied by Mark Williams. Only after a few months of designing and building brake brackets (for a set of CTS-V Brembos), ordering HRE wheels, etc... did I realize that these axles have a different offset than my old 9 bolt.

So in short.

- I spec'd my wheels to the old 9 bolt assuming the "direct replacement" D44 would not change the fitment.

- I sped'd the brake brackets to the 3" offset D44

So now my wheels are going to stick out an extra 3/8" due to the extra offset. Not good. I already had them sped'd pretty sporty.

So my questions are:

Does the axle above look like an OEM D44 axle?

Can anyone confirm the axle offset of their actual D44?

Any good ideas?

Thanks,

John

In back is the axle that came with my D44. In front my new Mark Williams axle.

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Old 06-25-2012, 06:04 PM
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Re: Dana 44 parts list

Originally Posted by 90firebird View Post
I'll measure both housings. I have both the 10 bolt and the dana out of the car at the moment.
Thanks man, I really appreciate it.
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Old 06-25-2012, 10:05 PM
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Re: Dana 44 parts list

I'm not sure what goes into the CTS-V brake swap but this website has always had a wide variety of conversion parts. Ed Miller has supplied my braking components in the past (although lately I hear he's been having trouble keeping up).
http://flynbye.com/index.html
Maybe you can find a solution for your caliper brackets there.
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Old 06-25-2012, 10:25 PM
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Re: Dana 44 parts list

What are you needing? housing flange to outer axle rotor face measurement??
I'm not sure if it helps or not but I took factory 10bolt caliper mounting brackets and bolted them on with no mods soo that offset should be the same.
If Im understanding what your saying..
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Old 06-25-2012, 11:11 PM
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Re: Dana 44 parts list

Originally Posted by skinny z View Post
I'm not sure what goes into the CTS-V brake swap but this website has always had a wide variety of conversion parts. Ed Miller has supplied my braking components in the past (although lately I hear he's been having trouble keeping up).
http://flynbye.com/index.html
Maybe you can find a solution for your caliper brackets there.
Yeah Ed doesn't have a solution with e-brake. Here are the full details on my swap if you are interested.

https://www.thirdgen.org/forums/brak...s-v-brake.html

John
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Old 06-25-2012, 11:12 PM
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Re: Dana 44 parts list

Originally Posted by TTOP350 View Post
What are you needing? housing flange to outer axle rotor face measurement??
I'm not sure if it helps or not but I took factory 10bolt caliper mounting brackets and bolted them on with no mods soo that offset should be the same.
If Im understanding what your saying..
Yup thats exactly what I need. Also like on the bottom right in the picture below. I know its supposed to be the same, but I just can't explain whats up with my axles.

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Old 06-30-2012, 09:36 PM
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Re: Dana 44 parts list

Sorry for the delay. Both axles measured to 61.5" at the axle-face. Both have the older style Delco Moraine backing plates mounted; I took measurements from the axle face to the backing plate on both axles: 2.387" on the 10 bolt and 2.423" on the '44. Call it a ~.030" difference between the two.

Just for the sake of reference, the D44 is from the early 80's and the 10 bolt is a 7.625/28 spline 10 bolt '91 formula rear.

Originally Posted by 87350IROC View Post
Thanks man, I really appreciate it.

Last edited by 90firebird; 06-30-2012 at 09:46 PM.
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Old 06-30-2012, 10:51 PM
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Re: Dana 44 parts list

Anyone have any clue when Dana shipped the first of these to GM? ( Not a prototype, but the production version )
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Old 07-01-2012, 12:56 AM
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Re: Dana 44 parts list

Atilla,

It was in the 80's, whenever Super Chevy threw one in a 1982 Z28 project car. I purchased my rear from Doug Marion, former editor in chief of Super Chevy. According to him, the first ever order was for three of these rears: one for the 82 Z, one for another magazine's 83 Z project car, and one that he simply kept for himself. That third rear never got installed in a car, and is the one that I eventually bought.
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Old 07-01-2012, 01:07 AM
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Re: Dana 44 parts list

Originally Posted by 90firebird View Post
Sorry for the delay. Both axles measured to 61.5" at the axle-face. Both have the older style Delco Moraine backing plates mounted; I took measurements from the axle face to the backing plate on both axles: 2.387" on the 10 bolt and 2.423" on the '44. Call it a ~.030" difference between the two.

Just for the sake of reference, the D44 is from the early 80's and the 10 bolt is a 7.625/28 spline 10 bolt '91 formula rear.
So the 2.423" is to the brake bracket, not the flange, right? So offset would be 2.423 + bracket thickness. IIRC all my GM brackets have been around 1/4".

So the offset would be around 2.68". Sound about right? Any chance you could snap a picture or two of the axle. I'd like to see if they are visually the same as the ones that came with my axle. Also, since your axle is so early, do you think its the same as the axles delivered in 90+? I suspect they would be the same.
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Old 07-01-2012, 02:26 AM
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Re: Dana 44 parts list

Correct: to the brake bracket. As you mentioned, the bracket itself is 1/4" thick, plus the axle retaining plate which is .120". So, total to the actual flange would be around 2.8".

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Old 07-01-2012, 10:16 AM
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Re: Dana 44 parts list

Originally Posted by 90firebird View Post
Atilla,

It was in the 80's, whenever Super Chevy threw one in a 1982 Z28 project car. I purchased my rear from Doug Marion, former editor in chief of Super Chevy. According to him, the first ever order was for three of these rears: one for the 82 Z, one for another magazine's 83 Z project car, and one that he simply kept for himself. That third rear never got installed in a car, and is the one that I eventually bought.
So you're estimating late-'82? As in, we could've had them in all '84 Z28s and T/As if someone had had the good sense to fire all of GMs bean-counters?
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Old 07-02-2012, 01:00 AM
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Re: Dana 44 parts list

I am almost certain that it is the 82Z with the doug nash 5 speed mentioned here. Unless someone had access to this article, we don't know if it infact had it swapped in at the time this was written.

http://www.jimsmegamagazines.com/pro...ducts_id=13372

Additionally, the August '84 issue has a headline of "end camaro rear-end problems", and has "a look at the Dana 44" listed on the following website:

http://www.jimsmegamagazines.com/pro...ducts_id=13381


Last edited by 90firebird; 07-02-2012 at 01:11 AM.
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Old 07-22-2012, 12:32 AM
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Re: Dana 44 parts list

Can anyone one who has a dana 44 check and see if there is a dana P/N stamped on the rhs axle tube? If so what is the #? THX
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Old 11-13-2012, 07:18 AM
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Re: Dana 44 parts list

I havent found one on my axle yet
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Old 02-15-2013, 02:18 PM
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Re: Dana 44 parts list

I am getting ready to install my Dana 44 and was wondering if these rear axles came painted or unpainted when purchased over the counter.

Thanks
Frank
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Old 02-15-2013, 06:07 PM
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Re: Dana 44 parts list

Check out this thread and go to post #44. ESC may have some information as he bought his new.
https://www.thirdgen.org/forums/tran...dana-44-a.html
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Old 02-15-2013, 11:51 PM
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Re: Dana 44 parts list

[quote=skinny z;5490824]Check out this thread and go to post #44. ESC may have some information as he bought his new.
https://www.thirdgen.org/forums/tran...dana-44-a.html[/quote

Thanks...I just found out they came unpainted. I will be starting a new thread soon detailing my Dana 44 restoration and install.

Guys with Dana's have your rear axles been painted or left original. I am not sure of what to do. I want to leave my car's look factory... My 7.5 rear was not painted originaly. Let me know what you think.

Thanks Frank
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Old 02-16-2013, 09:05 AM
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Re: Dana 44 parts list

I wouldn't hesitate for a second to paint it. I'd want to preserve it rather than let it slowly rust.


Last edited by skinny z; 02-16-2013 at 09:09 AM.
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Old 02-17-2013, 09:29 PM
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Re: Dana 44 parts list

I will be swaping my original 1984 Z-28 disc brake 7.5 with a Dana 44 and would like to know if backing plates from 7.5 will fit.

Thanks Frank
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Old 06-14-2013, 06:27 PM
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Re: Dana 44 parts list

Found out today that I have a leaking axle seal. I'm pretty sure its a worn axle thats doing it.

I have a pair of NOS axles I can use, but I'm about to put a supercharged LS1 in my car and I'm thinking now is the time to upgrade the axles.

I know people said Moser makes/has made axles for these Danas but does anyone have a part number or measurements needed to order from Moser?
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Old 06-26-2013, 09:52 AM
  #38  
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Car: 1991 z28
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Transmission: built 700r4 Yank 3600 stall
Axle/Gears: dana 44 3.73 gears
Re: Dana 44 parts list

I talked to SLP the offered the Mosser Axles back in the day P/N long lost they told me to call Mosser and ask for the oldest tech the still have working lol.
And as a reference the timken P/Ns have changed if you cross reference the
SEAL P/N above you now get 2146
Bearing P/N u298 (A9) is U298-90011 or SET9
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Old 06-26-2013, 10:05 AM
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Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Dana 44 parts list

On the Dana I have, It is from a Firehawk race team and looks to have been painted from day1 because there is no rust under the paint at all.
Moser or any axle company can make custom axles for almost anything.
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Old 06-26-2013, 11:38 AM
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Car: 1991 z28
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Re: Dana 44 parts list

ok so i called and talked to mosser and yes they did make these axles and still have the part number and the specs for them HERES THE CATCH the guy said the reason they quit is because the cut and dry process they used then didnt always insure the correct backspacing for the brake alignment so if you wanted to take the chance they will make them with the old specs or what he suggested is send them my axles and it takes 2 days from when they get them to have new ones on the way back to me so after someone does this if not me first maybe they wont need the original axles anymore as long they keep the measurements like he said they would so whos up first???
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Old 08-18-2013, 11:41 AM
  #41  
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Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
Re: Dana 44 parts list

is there a definitive length to each axle? I have 2 NOS axles for either the right or left side. If I can send one of those in, and say "make the other one an inch shorter" and it works, I would be up to doing it.
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Old 03-16-2014, 09:23 PM
  #42  
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Car: 1983 trans am
Engine: 1973 sbc 350 now 383 stroker
Transmission: 5 speed
Axle/Gears: dana 44 f.body 3.31 gears.
Re: Dana 44 parts list

I know this is a old post but i was doing some work to my 1983 trans am last weekend and looked at my dif cover and said. Wtf how did that get there.
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Old 03-16-2014, 09:25 PM
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Car: 89 formula 350
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Axle/Gears: 4.11 Dana 44!
Re: Dana 44 parts list

congrats! mine came out of an 83 camaro somehow
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Old 03-16-2014, 10:04 PM
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Re: Dana 44 parts list

Originally Posted by Justin89Formy View Post
congrats! mine came out of an 83 camaro somehow
How's your Dana holding up? I went back and re-read your post from 2011 about the carnage from having no lube. Have you had the chance to put many miles on it or beat it up at the track? How is it for noise?
I'll be taking mine apart again in the spring and rebuilding it. I still have the noise problem I had posted before (Richmond Gears? Timken (made in India) bearing)?
I'd like to know what your rebuilder used for a manual (if it's possible for you to find out).
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Old 03-16-2014, 10:10 PM
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Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
Re: Dana 44 parts list

its holding up great! Im running richmond gears and timken bearing s and have a slight whine. My buddy David lives in cars it seems. He knows a TON about cars and has probably worked with many Dana before in his Jeeps and 4WD, and the fleet of mail Jeeps he was maintaining lol He rebuilt mine.
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Old 03-16-2014, 10:20 PM
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Re: Dana 44 parts list

Originally Posted by Justin89Formy View Post
its holding up great! Im running richmond gears and timken bearing s and have a slight whine. My buddy David lives in cars it seems. He knows a TON about cars and has probably worked with many Dana before in his Jeeps and 4WD, and the fleet of mail Jeeps he was maintaining lol He rebuilt mine.
A 4WD guy would be the one to talk to. I'm finding that out. I have a Trans Am car builder http://www.bcracecars.com/ that has experience with the D44 as it was installed in 3rd gens. I'm hoping his familiarity with it will quiet this thing down. If not I'm off to the local off-road shop.

(If I can't find a builder here I may have to look you up and your buddy David! I'm in Virginia every year around Memorial Day golfing near Fredericksburg.)
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Old 03-16-2014, 10:54 PM
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Join Date: Nov 2002
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Car: 89 formula 350
Engine: ls1 magnuson tvs2300 supercharger
Transmission: T56
Axle/Gears: 4.11 Dana 44!
Re: Dana 44 parts list

he's just outside of Lynchburg and I'm near Roanoke. Not TOO far away, considering you're from Canada
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Old 03-16-2014, 11:02 PM
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Re: Dana 44 parts list

Yeah. About 600 miles. I've done the trip a few times. Once with my old IROC on the back of a flat bed for part of the trip (long story). I hope to do it this year with the freshened engine and possibly rebuilt rear end. It's sort of a test toast before I drive it 6000 miles to western Canada later this summer. You can see how I'd need this diff to be in tip top shape.
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Old 03-16-2014, 11:13 PM
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Join Date: Nov 2002
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Car: 89 formula 350
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Transmission: T56
Axle/Gears: 4.11 Dana 44!
Re: Dana 44 parts list

DONT FORGET THE OIL!!
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Old 03-23-2014, 11:38 AM
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Re: Dana 44 parts list

Just got a new to Me Dana 44 w/ 3:92 gears what oil are you guys running does it need to use posi additive or not

I have been using valvoline synthetic 85-140 in my 9 bolt would that be good or should I look at something better

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