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Twiflex Pneumatic and Hydraulic Thruster Spares 

Twiflex manufactures a wide range of thrusters to operate its disc brake calipers. These allow brakes to be actuated by mechanical (hand knob or lever, pneumatic) bar, hydraulic – 110 bar and electrical – AC or DC supply. 
 
Howdon stock a full range of spares, as listed below. Howdon also offer an inspection and repair service for calipers and thrusters returned. 
 
See Brake Caliper Data Sheets for details. 
 
 

S3 & S4 Thrusters 

For use with MU Caliper 
 
AVAILABLE SPARES 
Diaphragm and Seal Kit 
Part No. 7902797 

D (3″) Thrusters 

For use with MS/MR/MX Calipers 
 
AVAILABLE SPARES 
Diaphragm Kit 
Part No. 7902799 

A (4″) Thrusters 

For use with MS/MR/MX Calipers 
 
AVAILABLE SPARES 
Diaphragm and Seal Kit 
Part No. 7902801 

B (5″) Thrusters 

For use with MR/MX Calipers 
 
AVAILABLE SPARES 
Diaphragm Kit 
Part No. 7902803 

K Thrusters 

For use with MS/MR/MX Calipers 
 
AVAILABLE SPARES 
Diaphragm Kit Part No. 7902804 
Self Adjusting Repair Kit Part No. 7902805 

L Thrusters 

For use with MS/MR/MX Calipers 
 
AVAILABLE SPARES 
Diaphragm Kit Part No. 7902806 
Self Adjusting Repair Kit Part No. 7902805 

XS Thrusters 

For use with MX Caliper 
 
AVAILABLE SPARES 
XS Diaphragm Kit Part No. 7902798 
XS Thruster Self Adjusting Kit Part No. 7902982 

XSH Thrusters 

For use with MX Caliper 
 
AVAILABLE SPARES 
XSH Thruster Seal Kit Part No. 6000356 

P Thrusters 

For use with GMR Caliper 
 
AVAILABLE SPARES 
GMR P Diaphragm Kit 
Part No. 7902802 

S Thrusters 

For use with GMR Caliper 
 
AVAILABLE SPARES 
GMR-S Repair Kit 
Part No. 7903025 

SD Thrusters 

For use with GMR Caliper 
 
AVAILABLE SPARES 
GMR-SD Repair Kit 
Part No. 7903026 

SH Thruster 

For use with GMR Caliper 
 
AVAILABLE SPARES 
GMR-SH Seal Kit 
Part No. 6000536 
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