Spring Brakes repair kits

Spring brake, actuator and booster repair kits and parts.

66 product lines · ManuMark 2026 catalogue

Fitting notice: Air brake components must be fitted by a qualified technician and matched to your vehicle’s exact part number.

66 products

Centre Shaft (Ø 15.98) – 76mm

MM1202

Spring Brakes · Catalogue page 115

Product details

Anchorlock 76mm For end plates MM1687 & MM1687/1

Centre Shaft (Ø 15.98) – 79mm

MM1202-2

Spring Brakes · Catalogue page 115

Product details

Long Stroke 79mm For end plates MM1687 & MM1687/1

Centre Shaft (Ø 15.98) – 94mm

MM1202-3

Spring Brakes · Catalogue page 115

Product details

Extra Long Stroke 994mm For end plates MM1687 & MM1687/1

Centre Shaft (Ø 15.98) – 100mm

MM1202-4

Spring Brakes · Catalogue page 115

Product details

Extra Long Stroke 100mm For end plates MM1687 & MM1687/1

BZ 6621 Spring Brake Piston

MM1254

Spring Brakes · Catalogue page 116

Refer to our sales team for compatibility details.

Tristop Top Cap

MM1293

Spring Brakes · Catalogue page 116

Refer to our sales team for compatibility details.

KNORR Spring Brake Shaft – Pull Type

MM1376

Spring Brakes · Catalogue page 116

Product details

SZ 1704

MAN Booster Neckseal (BZ)

MM1518

Spring Brakes · Catalogue page 116

Product details

Neckseal KIT Outside Diameter – 45.5 Inside Diameter – 35.5 Length - 28 Includes Neckseal & O-Rings

MAN Booster Neckseal (BZ)

MM1518/1

Spring Brakes · Catalogue page 117

Product details

Neckseal O-Ring KIT Outside Diameter – 45.5 Inside Diameter – 35.5 Length - 28 Includes O-Rings Only

MAN Booster Neckseal (BZ)

MM1518/2

Spring Brakes · Catalogue page 117

Product details

KNORR Tristop Neckseal KIT Outside Diameter – 45.5 Inside Diameter – 35.3 Length - 20 Includes Neckseal & O-Rings

Diameter = 47

MM1687

No image available

Spring Brakes · Catalogue page 117

Refer to our sales team for compatibility details.

Diameter = 53

MM1687/1

Spring Brakes · Catalogue page 117

Product details

Alternate Part Numbers A.S.A. : 5943

KNORR BREMSE Spring for BZ 7222

MM1734

Spring Brakes · Catalogue page 117

Refer to our sales team for compatibility details.

Grommet Anchorlock 24/30

MM1766

Spring Brakes · Catalogue page 118

Refer to our sales team for compatibility details.

Grommet Anchorlock 24/30 Booster

MM1767

Spring Brakes · Catalogue page 118

Refer to our sales team for compatibility details.

Insert for Brake Booster

MM1810

Spring Brakes · Catalogue page 118

Refer to our sales team for compatibility details.

Push Rod Extension – 250mm

MM1814

Spring Brakes · Catalogue page 118

Refer to our sales team for compatibility details.

Boot for MM3097

MM2080

Spring Brakes · Catalogue page 119

Refer to our sales team for compatibility details.

Japanese Spring Brake – 4 Stud

MM22205

Spring Brakes · Catalogue page 119

Product details

TOYOTA / HINO

Rubber Boot for Maxi Spring Brake

MM22426

Spring Brakes · Catalogue page 119

Product details

Alternate Part Numbers A.S.A. : 5803 W/H : 651010 1 per KIT

Japanese Spring Brake – 2 Stud (Maxi Type)

MM22427

No image available

Spring Brakes · Catalogue page 119

Refer to our sales team for compatibility details.

Double “O” Ring

MM22427/1

Spring Brakes · Catalogue page 119

Product details

Alternate Part Numbers A.S.A.: 9194 W/H: 61005-M

MGM Dust CAP

MM22435

Spring Brakes · Catalogue page 120

Product details

Alternate Part Numbers A.S.A : 5941

Without Circlip

MM22470

No image available

Spring Brakes · Catalogue page 120

Refer to our sales team for compatibility details.

Complete with Circlip

MM22470/1

Spring Brakes · Catalogue page 120

Product details

Alternate Part Numbers BENDIX : SK 2758/2 W/H : 651003

Without Circlip

MM22472

No image available

Spring Brakes · Catalogue page 120

Refer to our sales team for compatibility details.

Complete with Circlip

MM22472/1

Spring Brakes · Catalogue page 120

Product details

Alternate Part Numbers BENDIX : SK 2759/2 W/H : 651002

MGM Anchorlock Type Centre Seal

MM22491

Spring Brakes · Catalogue page 120

Product details

Double Diaphragm Alternate Part Numbers A.S.A. : 5948 Includes O-Rings

BERG Spring Brake Centre Seal

MM33006

Spring Brakes · Catalogue page 121

Product details

O-Ring Size : 15.5 x 2.6

MGM Centre Seal c/w Centre Shaft

MM33011/1

Spring Brakes · Catalogue page 121

Refer to our sales team for compatibility details.

Length = 94mm

MM33011

No image available

Spring Brakes · Catalogue page 121

Refer to our sales team for compatibility details.

Length = 110mm

MM33011/2

Spring Brakes · Catalogue page 121

Refer to our sales team for compatibility details.

MGM End Plate

MM33011/3

Spring Brakes · Catalogue page 121

Product details

50.8 x 12 x 5

Anchorlock Rubber Boot & Plate

MM33031

Spring Brakes · Catalogue page 122

Product details

Alternate Part Numbers A.S.A. : 5936

With 1 x Hole

MM33031/1

No image available

Spring Brakes · Catalogue page 122

Refer to our sales team for compatibility details.

With Small Plate

MM33031/2

Spring Brakes · Catalogue page 122

Product details

Alternate Part Numbers 897 750 980 4

Rubber Boot

MM33031/3

Spring Brakes · Catalogue page 122

Product details

1 x Per KIT

WABCO TRISTOP Type 24

MM33034

Spring Brakes · Catalogue page 122

Product details

VALVE No. 925 324 *** 0 925 321 *** 0 Universal 890 110 347 0 890 110 350 0 Alternate Part Numbers A.S.A. : 5704 925 320 001 2

Rubber Boot

MM33034/1

Spring Brakes · Catalogue page 123

Refer to our sales team for compatibility details.

WABCO TRISTOP Type 30

MM33035

Spring Brakes · Catalogue page 123

Product details

VALVE No. 925 322 *** 0 Universal 890 110 353 0 Alternate Part Numbers A.S.A. : 5703 925 320 002 2

CLAYTON Spring Brake Type 24 - LEYLAND

MM33036

Spring Brakes · Catalogue page 123

Refer to our sales team for compatibility details.

CLAYTON Spring Brake Type 30 - LEYLAND

MM33037

Spring Brakes · Catalogue page 123

Refer to our sales team for compatibility details.

Split Rings

MM33054

No image available

Spring Brakes · Catalogue page 124

Refer to our sales team for compatibility details.

No Split Rings

MM33054/1

Spring Brakes · Catalogue page 124

Refer to our sales team for compatibility details.

AFRESAN Spring Brake Centre Seal

MM33057

Spring Brakes · Catalogue page 124

Product details

O-Ring Size : 15 x 3.0

MGM “G” Type 30 VOLVO

MM33063

Spring Brakes · Catalogue page 124

Product details

VALVE No. MGM 4130055

Centre Shaft

MM33063/1

Spring Brakes · Catalogue page 124

Product details

Diameter = 22mm Length = 104mm

CLAYTON DEWANDRE 16/20 Spring Brake

MM33080

Spring Brakes · Catalogue page 125

Refer to our sales team for compatibility details.

About spring brake chamber repair kits

Spring brakes (actuators) use a powerful spring to apply the parking and emergency brake, held off by air pressure while driving.

When to replace

A park brake that drags, won't release, or air leaking from the chamber points to a damaged diaphragm or seal.

What's in the kit

Spring brake kits include diaphragms, seals and service items for the actuators listed. All 66 spring brakes lines are manufactured by Pitchline Engineering in an ISO 9001 environment in Pinetown and supplied from our Pinetown branch across South Africa.

Spring Brakes questions

Is it safe to rebuild a spring brake chamber?

Spring chambers contain a highly compressed spring and must only be serviced by trained technicians with the correct tools.

Why won't my truck's park brake release?

Low air pressure, a leaking diaphragm or a faulty hand valve can all prevent release.

Do you supply brake chamber diaphragms?

Yes, as part of the spring brake kits listed on this page.