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Old 03-15-2010, 06:51 PM
whunter's Avatar
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,357
Transmission 722.303 general service parts list

Transmission 722.303 - thru 1984 general service parts list.
Most common failure/service parts.

Gasket Set Automatic Transmission, Trans 722.303 - thru 1984
MB# 126 270 42 00

O-ring set, valve body
MB# 126 270 06 35

KIT, K1 SPRING
http://www.pelicanparts.com/cgi-bin/ksearch/pel_search.cgi?SUPERCAT_FLAG=Y&make=MBZ&please_wait=N&forumid=&threadid=&command=DWsearch&descriptio n=1262704477&I1.x=15&I1.y=8


***************************************************************

I have been unable to document exactly which 722 transmissions this fits.

This may help sort out what you need, Use Page Translation = it is in Russian.
http://www.oldmerin.net/board/lofiversion/index.php/t132382.html

K1 - spring kit 1262704477
K1 - piston 1262700335
K2 - part number on the tube is 1262778432, however the kit part number is 126 270 04 35
K2 - piston 1262700435
K2 - piston 1262700535
B1 - piston 1262700235
B1 - piston 1242700035

***************************************************



Inner disc, reverse speed 2.1 MM, (4 per trans)
MB# 126 272 09 25

Inner disc, reverse speed 2.14 MM, (4 per trans)
MB# 126 272 06 25

Inner disc, reverse speed 2.14 MM, (4 per trans)
MB# 126 272 07 25

Transmission O-Ring, For B-2 Piston, very easy to damage during install, recommend several spares.
MB# 005 997 70 48

cover brake band B2, superseded to this number
MB# 126 277 20 03

seal ring, superseded to this number
MB# 140 277 04 55

Transmission Servo Piston, To Band B-2, superseded 4 times to this number.
MB# 201 270 02 32

B2 reaction valve parts

bushing must have VIN# for correct part, (one per trans).
MB# 126 277 03 50
MB# 126 277 08 50

Transmission Seal, For B-2 Servo
MB# 006 997 73 47

Reaction Valve, To Band B-2, superseded 5 times to this number.
MB# 124 270 01 89

Spacer Ring, To Reaction Valve Band B-2 , superseded 3 times to this number.
MB# 140 277 01 51

Transmission O-Ring, For Reaction Valve At Band B-2
MB# 016 997 36 48

dipstick tube O-ring
MB# 016 997 29 48

Transmission O-Ring, For B-1 Piston, very easy to damage during install, recommend

several spares.
MB# 005 997 86 48

Transmission Servo Piston, To Band B-1, superseded 23 times to this number.
MB# 201 270 03 32

Bracket Brake Band B-1, superseded 5 times to this number.
MB# 140 277 10 40

Boot, B1
MB# 115 272 10 92

seal ring, For B-1 Piston, superseded to this number
MB# 140 277 03 55

Pin, reaction valve brake band B2
MB# 126 277 51 75

seal holder, reaction valve brake band B2
MB# 140 277 01 51

Valve, reaction valve brake band B2
MB# 126 270 33 89

Driveshaft Nut to Transmission
MB# 123 990 00 60

Transmission Filter, Note: the filter does not come with the transmission gasket/seal

kit.
MB# 126 277 02 95



You may need the following additional parts for a rebuild.

Brake band, B1
1262701862

Brake band, B2
1262702062


Nine liters of ATF, the transmission will be totally empty..

MB Automatic Transmission Overhaul Manual, some come with a DVD
http://www.auto-repair-manuals.com/

Mercedes-Benz 722.3 / 722.4 Automatic Transmission ATSG Rebuild Manual - Softcover
http://www.auto-repair-manuals.com/Mercedes-Benz-722-3-722-4-Automatic-Transmission-ATSG-Rebuild-Manual.html

Links to more data.
Transmission:
Transmission:

If you need a rebuild kit for any other Transmission

We must have the:
* VIN#.
* Year.
* Make.
* Model.

NOTE – All prices on special order parts subject to change without notice.
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Last edited by whunter; 03-25-2013 at 06:40 PM.
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