Bendix Bw7535 Users Manual BW7535_US_000

2015-04-02

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Bendix® Air Disc Brake Chamber Service Information
As fleets continue to experience the advantages of Bendix® Air Disc Brakes and the number of vehicles with this
technology grows, there is an increasing need to have information on the brake chambers that are used on this
equipment.
To make it easier for you to service your vehicle(s), below is some key information on service part numbers, maintenance
kits, and a cross reference guide.

A. Universal Replacement Chamber Guide
There are many OEM air disc brake chamber part numbers utilized by truck fleets. However, as with S-Cam chambers, the
recommended service replacement part is provided in a “universal” configuration by Type and Size of the chamber itself.
This greatly simplifies stocking requirements. Here is the Bendix Air Disc Brake Chamber universal part number quick
reference guide.

Bendix® EverSure® Air Disc Brake Spring Brake Chamber

Type*

Stroke

T16/24

2.25”
(57mm)

T18/24
T20/24
T22/24

2.50”
(63mm)

T24/24

Spring Brake
Universal
Replacement
Part No.

Diaphragm
Kit

K042457

K052484

K043329

K052484

K041960

K052486

K043148

K052487

K043270

K052488

Clamp
Ring
Kit

Dust
Plug

Bellows
Kit

K034202

K090594

K090235
K090236
K090237

3/8”-18
NPTF Ports
*The chamber type is noted as TXX/5.6kN on the chamber bar code label. Note that 5.6kN refers to the force of the power spring.
Air Disc Brake spring brake chamber for trailers part number K026451 has been replaced by part number K043329.

NG-3™ Piston Style Spring Brake Chamber

Type

Stroke

T14/24

Spring Brake
Universal
Replacement
Part No.

Diaphragm
Kit

Clamp
Ring
Kit
—

K026735

—

K026731

K052484

T18/16

K027557

K052485

T18/24

K025670

K052486

K025669

K052486

K026737

K052488

K026734

K052488

T16/24

T20/24
T22/24

2.25”
(57mm)

2.50”
(63mm)

T24/24

Size and Ref. Part Number
are stamped here
Bellows
Kit

K090235

K090236

K090594

3/8”-18
NPTF Ports

K090237

Air Disc Brake Service Chambers

Type

Stroke

T12
T14

Service New
Universal
Replacement
Pc. No.
K028227

2.25”
(57mm)

T16

K028039
K028226

Diaphragm
Kit

Clamp
Ring
Kit

—

—

K052484

K090235

T18

K028022

K052486

T20

K028225

K052486

K028238

K052487

K028252

K052488

T22
T24

2.50”
(63mm)

K090236

Bellows
Kit

3/8”-18
NPTF Ports

K090594

K090237

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.
1

B. Bendix Air Disc Brake Chamber Maintenance Kit Contents
The following describes the components included in the maintenance kits referenced in Section A (Diaphragm Kit, Clamp
Ring Kit, Bellows Kit):

Maintenance Kits for Air Disc Brake Chambers

7

5
8
1

3
2

4

6

Kit Contents
Item
No.

Description

Diaphragm
Kit

Clamp Ring
Kit

Bellows
Kit

1

Diaphragm

1

—

—

2

Bellow

1

—

1

3

Spring

1

—

—

4

Lock Nut

2

—

2

5

Screw

1

1

—

6

Hex Nut

1

1

—

7

Spacing Sleeve

1

1

—

8

Clamp Ring

—

1

—

9

Grease Packet (not shown)

1

—

1

Caution: Be sure to follow the instruction sheet included in the kit when servicing.
The replacement diaphragm must match the original diaphragm.
The clamp band torque is 20 ft-lbs. (28 Nm.)
The mounting nut torque is 133 ft-lbs. (180 Nm.)

For Specific Part No. information, please see section A.

2

C. Bendix Air Disc Brake Chamber – OEM to Universal AM Replacement Cross-Reference
Information
Bendix Air Disc Brake Service Chambers
OEM
Part No.

Size

Stroke

Universal AM
Replacement Kit

5016147

OEM
Part No.
5020283

5016149

K031541

5016150

K031542

5016151

K034062

5016152

K034063

5016153

5016736

5016154

5016737

5016155

5016738

5016156

5016739

5016157

5016756

5016158

5016757

5016159
5016161

T16

2.25”
(57mm)

K028226

T18

2.50”
(64mm)

K028022

T20

2.50”
(64mm)

K028225

T22

2.50”
(64mm)

K028238

T24

2.50”
(64mm)

K028252

T18

2.25”
(57mm)

K028022

5018616
T20

2.50”
(64mm)

K028225

5017617
5019418

5016162

5019419

5017775

5019420

5017776

5019421

5018500

5019724

5018501

5019725

5019682

K031569

5019683

K031570

K025439

K034105

K025440

K034106

K026449

K044753

K026450

K044754

K034179

K044755

K034180

K044756

5016179

5016691

5016180

5016692

5016183

5016693

5016184

5016694

5016185

5016695

5016186

5016696

5016187

5019385

5016188

5019386

5016189

K035714

5016190

Stroke

5020282

5016148

5016160

Universal AM
Replacement Kit

Size

T16

2.25”
(57mm)

K028226

K035715

5016191

5017180*

5016192

5017181*

5017995

5017773*

5017996

5017774*

5018299

5017787*

5018300

5017788*

5020042

5017789*

5020043

5017790*
*OE PN had 57mm stroke and is no longer in production. All of these
chambers can be serviced by Universal replacement T18 (64mm) part
number K028022, but they should always be replaced in pairs across
axle due to the stroke differences.

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.
3

Bendix Air Disc Brake Service Chambers, continued
OEM
Part No.

Size

Universal AM
Replacement Kit

Stroke

OEM
Part No.

5016678

5016650

5016679

5016651

5016680
5016681
5016710

T22

K028238

T14

2.25”
(57mm)

K028039

T16

2.25”
(57mm)

K028226

T18

2.50”
(64mm)

K028022

5016653
5016654
5016655

5017096

5016656

5017097

5016657

5016665

5020018

5016666
5016668

Stroke

5016652
2.50”
(64mm)

5016711

5016667

Universal AM
Replacement Kit

Size

T12

5020019

2.25”
(57mm)

K028227

K031902
K031901

5019740

K025442
K025443

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

NG-3 Piston Style Spring Brakes

OEM
Part No.

Size

Stroke

T18/16

2.25”
(57mm)

Universal
Replacement AM
Part No.
(Piston Style)

Ref PN

K027557

K012314

5017187

Size and Ref. Part Number
are stamped here

5017188
5017758
5017759
5017760
5017761
5016450
5016451

3/8”-18
NPTF Ports

5016452
5016453
5016454

2.25”
(57mm)

K026731

K011097

2.50”
(64mm)

K025670

K011236

5016455
5016941
5016942
5016722
5016723

T16/24

5016724
5016725
5016726
5016727
5016770
5016771
5018434
5018435
Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

4

NG-3 Piston Style Spring Brakes, continued

OEM
Part No.

Size

Stroke

T18/24

2.50”
(64mm)

Universal
Replacement AM
Part No.
(Piston Style)

Ref PN

K025670

K011236

5018436

Size and Ref. Part Number
are stamped here

5018437
5018450
5018451
5019734
5019735
K025437
K025438

3/8”-18
NPTF Ports

5016264
5016265
5016279
5016280
5016281
5016282
5016283
5016284
5016285
5016286
5016287

T20/24

2.50”
(64mm)

K025669

K011101

T24/24

2.50”
(64mm)

K026734

K011109

T22/24

2.50”
(64mm)

K026737

K011106

5016288
5016289
5016290
5016775
5016776
5016784
5016785
K025435
K025436
5016463
5016464
5016465
5016466
5016467
5016468
5016469
5016470
K029173
K029174
5016933
5016934
5017710
5017711
Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

5

Bendix EverSure® Double Diaphragm ADB Spring Brakes
OEM
Part No.

Size

Stroke

T16/24

2.25”
(57mm)

Universal Replacement
AM PN – EverSure® ADB

K042441
K042442
K042443
K042444
K042445

K042457

K042446
K042447
K042448

3/8”-18
NPTF Ports

K043290
K043291
K043294
K043295
K043296
K043297

T18/24

2.25”
(57mm)

K043329

T16/24

2.25”
(57mm)

K042457

T18/24

2.25”
(57mm)

K043329

T20/24

2.50”
(64mm)

K041960

K043302
K043303
K043304
K043305
K057415
K057416
K057417
K057418
K059879
K059880
K065798
K059884
K059885
K065541
K066986
K066987
K066988
K066989
K039215
K039219
K039220
K039221
K039222
K039225
K039227
K039229
K039230
K039231
K039232
K057413
Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

6

Bendix EverSure® Double Diaphragm ADB Spring Brakes, continued
OEM
Part No.

Size

Stroke

T20/24

2.50”
(64mm)

Universal Replacement
AM PN – EverSure® ADB

K057414
K059877
K059878

K041960

K065543
K043136
K043137
K043138
K043139

K043148

K059882

3/8”-18
NPTF Ports

K059883
K072251
K043250
K043251

T22/24

2.50”
(64mm)

K043252
K043253
K043254

K043270

K043255
K043256
K043257
K043258
K043259
5017127
5017128
5017129
5017130
5017661
5017662
5020487

T18/5.4

2.25”
(57mm)

K043329

5020488
5020489
K026129
K026128
K026127
K026453
Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

7

Log-on and Learn from the Best
On-line training that's available when you are
Visit www.brake-school.com.

24/7/365.

901 Cleveland Street • Elyria, Ohio 44035 • 1-866-610-9709 • www.foundationbrakes.com
BW7535 ©2013 Bendix Spicer Foundation Brake LLC • 10/13 • All Rights Reserved



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