Brakes
Brakes
Index
Category
Section Number
Hydraulic Application Guide ........................................................................
Rotors ...........................................................................................................
Calipers .........................................................................................................
Hoses ............................................................................................................
ABS Sensors ..................................................................................................
Master Cylinders ...........................................................................................
Emergency / Parking ....................................................................................
1.800.328.2448
Midwest Bus Parts
31.2
31.3
31.4
31.7
31.8
31.9
31.10
www.midwestbusparts.com
31.1
Brakes
31.2
Application Guide - Hydraulic
year
CaliPer
rotor
Pads
TC1000 / TC2000
1991+
7700 = Front/Rear, 2.88" Dual
Piston (55250)
54291 = Front (1459957)
54292 = Rear (1459908)
225HD
All American / TC2000
1998+
11171 = Front/Rear, 73mm Dual
Piston (55850)
8537 = Front (0022336)
8539 = Rear (0014630)
786HD
786PG
All American / Vision
2001+
11869/11870 = 70mm Quad
Piston
580263 = Front (23123557004)
8545 = Rear (23123574004)
1032HD
bluebird
gmC / CheVrolet
Topkick / Kodiak
1991-02 7800 = Front/Rear, 2.50" Dual
Piston (55251)
8510 = Ft/Rr, 10-Hole (19287382) 224HD
56928 = Ft/Rr, 10-Hole (12547785)
8512 = Ft/Rr, 5-Hole (19174923)
Topkick / Kodiak
1997+
7700 = Front/Rear, 2.88" Dual
Piston (55250)
56925 = Ft/Rr, 10-Hole (12386718) 225HD
56995 = Ft/Rr, 10-Hole (15154173)
international / iC CorP
International 3800
1991+
7700 = Front/Rear, 2.88" Dual
Piston (55250)
8537 = Ft/Rr, 10-Hole (2594595C1) 225HD
8539 = Rear 10-Hole(2594596C1)
IC CE / International 3800
1998+
11173 = Front/Rear, 66mm Dual
Piston (55849)
8538 = Ft/Rr, 5-Hole (259494C1)
IC CE / International 3800
1998+
11171 = Front/Rear, 73mm Dual
Piston (55850)
8537 = Ft/Rr, 10-Hole (2594595C1) 786HD
8539 = Rear 10-Hole(2594596C1) 786PG
IC CE
2010+
TBD, 70mm Quad Piston
680943 = Ft/Rr (2599937C91)
1032HD
786A
thomas / Freightliner
MVP / EF / ER
2000+
11869/11870 = 70mm Quad
Piston
580263 = Ft/Rr (23123557004)
1032HD
FS65
1998+
11029 = Front/Rear, 2.60" Dual
Piston (55314)
8537 = Ft/Rr (D6176M)
D6178M = Rear
184HD
FS65
1998+
7700 = Front/Rear, 2.88" Dual
Piston (55250)
8537 = Ft/Rr (D6176M)
8539 = Rear (CM10003830)
225HD
FS65
1998+
11171 = Front/Rear, 73mm Dual
Piston (55850)
8537 = Ft/Rr (D6176M)
D6178M = Rear, .75" Hole
786HD
786PG
C2
2004+
11171 = Front/Rear, 73mm Dual 8537 = Ft/Rr (D6176M)
Piston (55850)
D6178AM = Rear, 1.06" Hole
*This guide is for quick reference purposes only. Please verify parts match your vehicle
786HD
786PG
many air brake parts available including:
Slack Adjusters - Brake Chambers - Air Dryers - Compressors - Valves - Drums - Shoes
For air brake parts, please call w/vehicle info & VIN.
1.800.328.2448
Midwest Bus Parts
www.midwestbusparts.com
Brakes
Rotors
6178M
.75 Holes
6178AM 1.125 Holes
Part
numbeR
(Coated)
8510
(shown)
56995
w/ABS Holes
8512
56928
(shown)
56925
w/ABS Holes
580263
8545
54291
54292
680943
8537
8538
8539
RotoR
type
outside thickNess discaRd
RotoR
dia.
NeW
thickNess height
stud stud
stud
hole hole
hole
ciRcle dia. patteRN
pilot
hole
dia.
Part
numbeR
(Stainless)
6178M
U Shaped
15.000
1.435
1.320
6.800
11.250 .817
10
9.380
181.30
6178AM
U Shaped
15.000
1.435
1.320
6.800
11.250 1.125 10
9.380
181.20
8510
Hat Shaped 15.370
1.535
1.420
3.400
7.250
.615
10
6.008
8512
Hat Shaped 14.750
1.345
1.225
3.800
6.750
.68
5
5.409
8527
U Shaped
15.000
1.435
1.320
5.900
12.750 .771
5
14.258
8531
U Shaped
15.000
1.440
1.320
4.785
11.250 0.807 5
9.240
8537
Hat Shaped 15.000
1.440
1.320
3.210
7.250
.618
10
6.008
082.20
8538
Hat Shaped 15.000
1.440
1.320
3.500
6.750
.803
5
5.407
089.20
6.008
8539
Hat Shaped 15.000
1.440
1.320
4.440
7.250
.615
10
8545
Hat Shaped 15.380
1.542
1.420
7.610
11.250 .940
10
54291
U Shaped
15.000
1.535
1.420
4.750
11.250 .780
6
9.250
54292
U Shaped
15.000
1.535
1.420
6.030
11.250 .810
10
9.500
56925
Hat Shaped 15.380
1.435
1.320
3.400
7.250
.620
10
6.000
56928
Hat Shaped 15.385
1.435
1.320
3.400
7.250
.618
10
6.008
56995
Hat Shaped 15.370
1.535
1.420
3.400
7.250
0.618 10
6.008
580263
Hat Shaped 15.376
1.541
1.419
3.403
6.000
0.596 10
7.250
086.20
680943
Hat Shaped 15.370
1.535
1.421
1.910
8.650
.550
7.390
048.20
1.800.328.2448
Midwest Bus Parts
10
113.20
193.20
www.midwestbusparts.com
31.3
31.4
Brakes
Calipers
Caliper
Notes
Hardware Kit
Pads
31-C-11869N
Front Left / Rear Right, 70mm, 4-Piston
31-C-11870N
Front Right / Rear Left, 70mm, 4-Piston
31-CH-5684A
31-CH-29481 (bleeder)
31-PR-1032HD
*used on all Bluebirds & most Thomas/IC transit busses 2001+
Caliper
31-C-11171N
31-C-11171 (Reman)
Notes
Hardware Kit
Pads
73mm Dual Piston
31-CH-5843A (kit)
31-CH-5843B (caliper bolt)
31-PR-786HD
31-CH-5661A (anti rattle clips) 31-PR-786PG
31-CH-24493 (bleeder)
*used on most conventiontial buses, 1998+
Caliper
Notes
Hardware Kit
Pads
31-C-11173N
31-C-11173 (Reman)
66mm Dual Piston
31-CH-5684A (kit)
31-CH-5843B (caliper bolt)
31-PR-786A
31-CH-5661A (anti rattle clips)
*used on Iinternational/IC shorter buses w/5-hole rotor
1.800.328.2448
Midwest Bus Parts
www.midwestbusparts.com
Brakes
Calipers
Caliper
31-C-7700N
31-C-7700 (Reman)
Notes
Hardware Kit
Pads
2.88” Dual Piston
31-CH-8204A (kit)
31-CH-8204B (caliper bolt)
31-CH-24493 (bleeder)
31-PR-225HD
*most common caliper on school buses w/o ABS, 1991+
Caliper
Notes
31-C-7800
2.50” Dual Piston
*used on most GMC/Chev busses w/o ABS, pre-1998
Hardware Kit
Pads
31-CH-5615A
31-PR-224HD
Caliper
Notes
Hardware Kit
Pads
31-C-11029
2.60” Dual Piston w/o bracket
31-CH-8204A
31-CH-24493 (bleeder)
31-PR-184HD
*used on some Freightliners, 1996+
1.800.328.2448
Midwest Bus Parts
www.midwestbusparts.com
31.5
31.6
Brakes
Type A Calipers
11201 Shown
Caliper
Notes
31-C-11201
2.36” Dual Piston, Pass Side, Front
31-C-11202
2.36” Dual Piston, Drvr Side, Front
Hardware Kit
Pads
31-CH-5645A
31-PR-784HD
*front caliper for all GMC/Chevy Type A busses w/dual rearwheels, 2003+
11509 Shown
Caliper
Notes
31-C-11509
2.21” Dual Piston, Pass Side, Front
31-C-11510
2.21” Dual Piston, Drvr Side, Front
*front caliper for all Type A Ford busses, 1997+, 2007
Caliper
Notes
31-C-12039
2.35” Dual Piston, Pass Side, Front
31-C-12040
2.35” Dual Piston, Drvr Side, Front
Hardware Kit
Pads
31-CH-5626A
31-PR-655SV
Hardware Kit
Pads
31-CH-5822A
31-PR-1328SV
*front caliper for all Type A Ford busses, 2008+
Backing Plate Assembly
w/1.75” Cylinders & 7” Shoes
*used on Ford B-Series buses, pre-1996
31-C-202271
Right Hand (shown)
31-C-202272
Left Hand
1.800.328.2448
Midwest Bus Parts
www.midwestbusparts.com
Brakes
Brake Hoses
length
12”
12.5”
12.5”
17”
19”
30”
30”
30.5”
32.5”
33.25”
34.25’’
35”
35.5”
38.5”
38.5”
40.5”
41.25”
42”
47”
Part #
31-H-38510
31-H-381084
31-H-381085
31-H-382761
31-H-382760
31-H-381322
31-H-381323
31-H-380500
31-H-382751
31-H-381326
31-H-380501
31-H-381319
31-H-383375
31-H-382750
31-H-383376
31-H-383377
31-H-382796
31-H-383373
31-H-383378
ends
oem/aPPliCation
Cross #’s
Male-Female Navistar
578961C3, 578961C2
Male-Female Bluebird TCFE 89-04, Right Rear
1317148
Male-Male
Bluebird TCFE 91-04, Left Rear,
1468321
Male-Male
Bluebird TC2000, pre-04, Resvr To Mast Cyl
1468305
Male-Male
Bluebird TC & AA, Mast Cyl To Lines
1550144
Male-Male
GMC/Chev, LH Rear
19256415
Male-Female GMC/Chev, RH Rear
19256416
Male-Male
19256411
GMC/Chev, LH Rear
Male-Female Bluebird TC, AA & Vision, 98+, Rear, RH/LH
00043758, 00006471
Male-Male
GMC/Chev w/ABS, Front
19256418
Male-Male
GMC/Chev, RH Rear
19256412
Male-Female GMC/Chev w/o ABS, Front
19256407
Male-Female Navistar w/66mm dual piston caliper, Front, RH/LH 3870750C1
Male-Female Bluebird TC, AA & Vision, 98+, Front, RH/LH
1317379
Male-Female Freightliner FS65 & C2, Frt/Rr, RH/LH
A12-18220-000
Male-Female Navistar w/73mm dual piston caliper, Front, RH/LH 3870751C1, 3523113C3
Male-Female Navistar/IC w/rear disc, 01-09, Rear, RH/LH
3870897C1
Male-Female Navistar IH3800, IC CE, pre-07 , Rear, RH/LH
3538974C94, 3870888C91
Male-Female Freightliner -most FS65, Rear, LH For FS65
12-15026-000
all measurements taken from tip to tip.
31-H-381319
1.800.328.2448
31-H-382751
Midwest Bus Parts
31-H-382796
31-H-383376
www.midwestbusparts.com
31.7
31.8
Brakes
ABS Sensors
Type a Plug
90° Mount
Type b Plug
“Kabelmetal”
midWest #
brand
31-S-955335
Meritor
31-S-955336
31-S-955328
Plug
12” cable
90°
A
970-5008
R955335
Meritor
36” cable
90°
A
970-5006
R955336 / 801539
Meritor
66" cable
90°
A
970-5004
R955328
31-S-955329
Meritor
66" cable
Straight
A
970-5005
R955329
31-S-955338
Meritor
68" cable
Straight
A
970-5002
R955338
31-S-955341
Meritor
68" cable
90°
A
970-5003
R955341 / 801541
31-S-955342
Meritor
78" cable
90°
A
970-5001
R955342 / 801542
31-S-800715
Bendix
40” cable
90°
B
-
800715
31-S-800717
Bendix
60” cable
90°
B
-
800717
31-S-801546
Bendix
60” cable
90°
C
-
801546
31-S-801549
Bendix
60” cable
90°
B
-
801549
31-S-801552
Bendix
75” cable
Straight
B
-
801552
31-SX-800697
1.800.328.2448
Meritor Sensor Bracket
31-SX-955B
dorman #
Type C Plug
“Deutsch DTM06-2S”
mount tyPe
Mounting Sleeve
length
“Deutsch DT04-2P”
Sensor Bracket
Midwest Bus Parts
31-SX-955BC
oem #’s
Bosch Sensor Bracket
31-SX-955BT
www.midwestbusparts.com
Brakes
31.9
Mater Cylinders / Brake Boosters
Cap
Pressure
Switch
Fluid Level
Indicator
Primary
Line
Secondary
Line
Bore Size
Please call with bus VIN
info for brake boosters
bore
Primary
thread siZe
seCondary
thread siZe
31-MC-390325 most BB / IC / Thomas
2”
9/16” - 18
1/2” - 20
1691291C92, 00072400
31-MC-390388 International
2”
1/2” - 20
9/16” - 18
592692C91
31-MC-390565 GMC / Chevrolet
2”
1/2” - 20
9/16” - 18
15716128
31-MC-390629 Ford / International
1.75”
9/16”
1/2”
489432C91, E4H2-2140-A
9/16” - 18
1/2” - 20
1691024C94, 4311452
midWest #
aPPliCation
31-MC-390668 Amtran / IC / BB / Thomas 2”
Transit Buses
Pressure Switch
31-MZ-2232548 Switch
31-MZ-2772230 Update Plug
Fluid Level
31-MZ-2587324
Cap
31-MZ-CAP
oem #’s
Pump/Motor
Cap
31-MZ-CAPG Gasket
31-MP-22771320
O-Ring
31-MZ-2270932
Meritor Cylinder for IC buses
Master Cylinder Assembly
Cap
31-MR-950056
31-MZ-850915
Resevoir
31-MZ-950055
Fluid Level Switch
Travel Switch Kit
31-MZ-413921
1.800.328.2448
31-MZ-850844
Midwest Bus Parts
www.midwestbusparts.com
31.10
Brakes
Emergency & Parking
Thomas C2 & IC CE
w/E-Brakes on rear axle
Bluebird, Thomas EF,
GMC / Chev & Amtran Genesis
12” x 3” Assembly
9” x 3” Shallow Assembly
31-E-2040A
Assembly
31-E-2086SA
Assembly
31-E-2040
Shoe Pair
31-E-2086S
Shoe Pair
31-E-2040K
Spring Kit
31-E-2086K
Spring Kit
International 3800
For Emergency Switches
see page 2.14
10” x 3” Shoes
31-E-1303
Shoe
31-E-1303K
Spring
*call for pricing on Hydaulic Cylinders (SAHR)
For all other emergency brake parts inquiries call w/vehicle info & VIN#
Many other parts in stock including:
Cables - Levers / Pedals / Releases - Backing Plates
Yokes & Clevis - Drums
1.800.328.2448
Midwest Bus Parts
www.midwestbusparts.com