NHTSA ID Number: 10189433
Manufacturer Communication Number: MGM Catalogue
TSB/Document Date: 2021-03-29
Summary
MGM Brakes catalogue
REPLACEMENT PARTS
Welded Yoke Assemblies...........................................................................................................................................132
REPLACEMENT PARTS
Breather Cap, End Caps & Weatherseal™ Plug Kits
2
3
VMRS 013-004-040
P/N
Description
2
9019005
Kit - Weatherseal™ Plug
2
9019006
Kit - Weatherseal™ Plug
3
8206008
End Cap & Retainer
VMRS 013-004-040
Used on MGM Models/Sizes
ALL TR, TR-T, TR-TS sizes except 3036 & 3636
TR, TR-T, TR-TS sizes, 3036, 3636
All L-T, MB-T and MG-T. 7/8” H, soft rubber
Diaphragms
REPLACEMENT PARTS
VMRS 013-004-007
Type
Stroke
P/N
Material
Outside Diameter
9
1.75” (44.5 mm)
8017109
R
5.00” (127.0 mm)
12
1.75” (44.5 mm)
8017112
R
5.50” (139.7 mm)
12
1.75” (44.5 mm)
8017312*
R
5.50” (139.7 mm)
16
2.25” (57.2 mm)
8017116
R
6.00” (152.4 mm)
20
2.25” (57.2 mm)
8017120
R
6.50” (165.1 mm)
20
2.25” (57.2 mm)
8017145
N
6.50” (165.1 mm)
30
2.50” (63.5 mm)
8017730**
R
8.00” (203.2 mm)
30
2.50” (63.5 mm)
8017731**
N
8.00” (203.2 mm)
36
3.00” (76.2 mm)
8017836**
R
9.00” (228.6 mm)
36
3.00” (76.2 mm)
8017840*
R
9.00” (228.6 mm)
16L
2.50” (63.5 mm)
8017216
R
6.00” (152.4 mm)
16LH
2.50” (63.5 mm)
8017215*
R
6.50” (165.1 mm)
20HL3
3.00” (76.2 mm)
8017226
R
7.00” (177.8 mm)
20L
2.50” (63.5 mm)
8017220
R
20L3
3.00” (76.2 mm)
8017820*
R
24L
2.50” (63.5 mm)
8017141
24L
2.50” (63.5 mm)
8017224
24L3
3.00” (76.2 mm)
24L3
3.00” (76.2 mm)
24L3
3.00” (76.2 mm)
8017926*
R
7.00” (177.8 mm)
30L3
3.00” (76.2 mm)
8017830**
R
8.00” (203.2 mm)
30L3
3.00” (76.2 mm)
8017831**
N
8.00” (203.2 mm)
30L3
3.00” (76.2 mm)
8017839*
N
8.00” (203.2 mm)
30L3
3.00” (76.2 mm)
8017838*
R
8.00” (203.2 mm)
Kit - Release Bolt
P/N
VMRS 013-004-006
Services MGM Brakes Model Sizes
9007003
All TR Models except 3036, 3636 - 4 7/8”
9007009
TR3036, TR3636 - 6 1/2”
Clamp Bands
VMRS 013-004-029
Type
P/N (1 Piece)
P/N (2 Piece)
6.50” (165.1 mm)
9
8216009
N/A
6.50” (165.1 mm)
12
8216012
N/A
R
7.00” (177.8 mm)
16
8216016
8216018
N
7.00” (177.8 mm)
20
8216022
8216020
8017425
N
7.00” (177.8 mm)
24
9016024
8216025
8017924
R
7.00” (177.8 mm)
30
9016030
8216045
36
N/A
8216036
Note: All clamps furnished with nuts and bolts.
Note: (1) Material “R” is natural rubber blend with nylon fabric reinforcement.
Use only “R” type diaphragms in extreme cold weather climates. Good to -40° F (-40° C).
(2) Material “N” is neoprene blend with nylon fabric reinforcement.
(*) For use in J - Series models only.
(**) Easy Fit Design
Note: Product information and specifications subject to change without notice.
130
REPLACEMENT PARTS
S-Cam Protective Boots
Key
P/N
Description
1
9004001
Boot & Retainer S-Cam
2
9004002
Boot & Retainer S-Cam
3
8004009
Boot - 1.625” (41.3 mm) Center-Hole
VMRS 013-004-031
2
1
3
Note: (1) MGM P/N 9004001 Kit can only be used with non-pressure chambers (mounting housings) having an embossed bottom essentially shaped like
the retaining plate for the boot.
(2) MGM P/N 9004002 Kit can only be used with MGM Brakes Type 20, 24 & 30 non-pressure chambers (mounting housings) with flat bottoms
having 3 equally spaced installation holes for the plastic boot retainer.
(3) MGM P/N 8004009 is suitable for MGM Brakes type 20, 24, 30 & 36 non-pressure chambers with 1.625” (41.3 mm) center hole and 5/8”
(15.9 mm) rod only.
Kit - Wedge Chamber Boot
Kit - Center Hole Shield
9004005
Kit - Wedge Chamber Boot
Note: MGM P/N 9065002 Kit is suitable only for MGM
Brakes Type 20, 24, 30 & 36 non-pressure chambers.
Field installation requires complete disassembly of the
service brake chamber.
Breather Tube & Elbow Kit
Kit - Nuts & Washers
(NPC Mounting)
VMRS 013-004-044
P/N
Service MGM Brakes Model
1
9081001
2
9081007
MJW1624BT
2
9081005
Breather Tube Extension Kit
VMRS 013-004-006
All MGM Brakes model sizes fitted with breather tube.
1
P/N 9002001
Type 20, 24, 30 & 36
P/N 9002002
M16 - Type 20, 24, 30 & 36
P/N 9002003
Type 12 and 16
2
Kit - Nuts & Washers
Non-Pressure Chamber
(NPC Mounting)
(Without Breather Elbow)
Vent Hole - Plug
P/N 8019021
Vent Hole-Plug
VMRS 013-004-030
VMRS 013-004-030
Type
P/N SAE
Type
P/N SAE
12
8215198
12
8215142
9015110
16
8215023
20L3H
9015213
16L 2.5
8215023
20L3
9015238
20
8215169
24L*
9015151
20L3H
8215053
24L3
9015213
24L*
8215105
9015122
24L3
8215200
30**
9015259
30
8215501
36
9015108
30**
9015260
36
8215036
20
30
Vent Hole
Note: Do not plug more than 3 holes in the
service chamber (NPC) and never
plug any hole facing the road surface
or positioned at the lowest point.
Note: (applies to NPC Chambers w/breather elbow and w/o breather elbow)
(*) These chamber sizes are heavy-duty weld-reinforced.
(**) 8-Gauge , weld reinforced.
Note: Product information and specifications subject to change without notice.
131
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
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TSB/Document ID: MGM Catalogue
Replacement Service Bulletin Number:
MFR Communication Date: 2017-12-05
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, HYDRAULIC
MFR Component System:
MFR Component Subsystem:
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