Calliper Pistons

Machined replacement calliper pistons for air disc brakes.

Calliper Pistons components manufactured by Pitchline Engineering for ManuMark

Calliper Pistons

Pitted or corroded calliper pistons tear new seals within weeks. We machine replacement pistons on our own CNC lathes to the original diameter and finish, so a reseal lasts.

Makes covered in this section

Meritor

  • 13 listed kits and components in this category
  • Rubber parts moulded in-house in nitrile, EPDM, Viton or silicone to suit the fluid
  • Pistons, shafts and adaptors machined on our own CNC lathes and mills
  • Held in stock for ManuMark under JIT flexible manufacturing

Calliper Pistons part list

Quote the ManuMark part number when you enquire. The catalogue carries the original valve numbers and alternate part numbers for each line.

DescriptionManuMark part no.
Calliper Main Piston (D=76.29; L=23.7)MM1975/1
Calliper Inner Piston (D=38; L=38)MM2051
Calliper Main Piston (D=48; L=20.3)MM2058
Calliper Inner Piston (D=58; L=42)MM2061-4
BELL Calliper Piston (D=85 x 45)MM2781
FURUKAWA Piston (74.8x39.2)MM3045
Calliper Main Piston (D=76.1; L=48.7)MM33089/1
Calliper Main Piston (D=85; L=47)MM33095/1
MERITOR Piston Assembly (D=66.6)MM66006
LIUGONG Calliper Piston (70x40)MM66010/1
Calliper Piston (D=66.7 x 54.9)MM3621
Calliper Piston (D=67 x 49 x 46)MM3658
Calliper Piston (D=92 L=61.1)MM3830

Other air brake repair kit categories

Air Dryer Repair Kits

Air dryer kits, adaptors and pistons for WABCO, KNORR and BOSCH air dryers.

Airmaster Repair Kits

Airmaster and air-over-hydraulic booster kits, pistons and shafts.

Brake Servo & Air Pack Kits

Repair kits for brake servos and air pack assemblies.

Calliper Repair Kits

Calliper seal and boot kits for air disc brakes across the major makes.

Circuit Protection Valve Kits

Four-circuit and multi-circuit protection valve repair kits.

Clutch Servo Repair Kits

The largest section in the range: clutch servo kits, pistons, master cylinders and shafts.

Compressor Repair Kits

Compressor gasket, valve plate and unloader components.

Foot Valve Repair Kits

Foot brake valve repair kits for single, dual and multi-circuit pedal valves.

Foot Valve Pistons

Replacement pistons and plungers for foot brake valves.

Governor Valve Kits

Governor valve repair kits controlling compressor cut-in and cut-out.

Hand Control Valve Kits

Hand brake and trailer hand control valve repair kits.

Hydromaster & Hydrovac Kits

Repair kits for Hydromaster and Hydrovac vacuum boosters.

Load Sensing Valve Kits

Load sensing and load apportioning valve repair kits.

Solenoid & Miscellaneous Kits

Solenoid valve kits and the smaller items that sit outside the main groups.

Pressure Converter Kits

Air-to-hydraulic pressure converter repair kits.

Quick Release Valve Kits

Quick release valve repair kits for faster brake release.

Relay Valve & Modulator Kits

Relay control valve and ABS modulator repair kits.

Slack Adjuster Kits

Automatic and manual slack adjuster repair components.

Splitter Valve Kits

Gearbox splitter and range change valve repair kits.

Spring Brake & Actuator Kits

One of the biggest sections: spring brake, booster and actuator kits, shafts and caps.

Trailer Control Valve Kits

Trailer control and emergency valve kits, with and without dump.

Unloader Valve Kits

Unloader valve repair kits for compressor and air dryer unloaders.

Calliper Pistons questions

How many calliper pistons are in the ManuMark range?

There are 13 listed items in this category, part of the nearly 600 air brake repair kits in the ManuMark range. The full list with part numbers is on this page and in the downloadable catalogue.

Which makes do your calliper pistons cover?

This category covers Meritor units among others. The catalogue cross-references original valve numbers and alternate part numbers so you can match an unbranded valve.

What is in a calliper pistons kit?

Kits contain the moulded rubber seals, diaphragms and O-rings for the unit, together with the machined or pressed hard parts listed against that part number in the catalogue. Some pistons and shafts are supplied separately, which the catalogue notes against each line.

Which rubber compound is used?

The compound is matched to the fluid: nitrile for air, EPDM for brake fluid, Viton for mineral oil and silicone for heat applications. All rubber components are moulded in our own rubber department in Pinetown.

Are they made in South Africa?

Yes. The machined and moulded components are produced at our own factory at 32 Henwood Road, Pinetown, KwaZulu-Natal, and marketed under the ManuMark brand.

How do I order the right part?

Send us the ManuMark part number from the list on this page, or the number stamped on the valve, and we will confirm the correct kit before you order.

Who should fit these kits?

Air brake repair kits should only be fitted by qualified technicians with the necessary skill and expertise to ensure the kit's proper and safe operation. ManuMark kits are manufactured for use with unmodified OEM valves only.

South Africa

Calliper Pistons supplied across South Africa

Manufactured at our own factory at 32 Henwood Road, Pinetown, KwaZulu-Natal. Choose your province to explore the cities and industrial areas we cover.