Restore smooth and reliable clutch operation with the All Balls Clutch Master Cylinder Rebuild Kit 18-4000.
Designed to rebuild worn or leaking hydraulic clutch master cylinders, this complete repair kit includes the essential internal components required for servicing the master cylinder.
Compatible with a wide range of KTM, Husqvarna, GasGas, Husaberg and Triumph enduro, motocross and off-road motorcycles.
Manufactured by All Balls Racing, the kit provides a practical solution for restoring proper hydraulic clutch performance without replacing the complete master cylinder assembly.
Kit Includes
Master cylinder piston set
Spring
Snap ring
Rubber boot
Replacement screws
Required sealing components
Features
Complete clutch master cylinder rebuild solution
Helps repair leaking or worn master cylinders
Restores smooth hydraulic clutch operation
Direct replacement for compatible applications
Suitable for enduro and motocross motorcycles
High-quality All Balls Racing components
Wide KTM, Husqvarna, GasGas, Husaberg and Triumph compatibility
Brand: All Balls Racing
Manufacturer Part Number: 18-4000
Product Type: Clutch Master Cylinder Rebuild Kit
Condition: New
VEHICLE COMPATIBILITY
GASGAS
EX 250 – 2022
EX 300 – 2021-2022
MC 250 – 2022
MC 450F – 2021-2022
MC 450F Factory Edition – 2023-2024
MC 450F Prado Edition – 2025
MC 450F Troy Lee Designs – 2022
HUSABERG
FE 250 – 2013-2014
FE 350 – 2013-2014
FE 450 – 2014
FE 501 – 2013-2014
TE 250 – 2011-2014
TE 300 – 2011-2014
HUSQVARNA
FC Series
FC 250 – 2014-2026
FC 350 – 2014-2015
FC 450 – 2014-2026
FC 450 Factory Edition – 2025-2026
FC 450 Rockstar Edition – 2021-2024
FE Series
FE 250 – 2014-2026
FE 350 / Heritage Edition / Pro / S – 2014-2026
FE 450 / Heritage Edition – 2014-2026
FE 501 / Heritage Edition / S – 2014-2026
Other Husqvarna Models
FR 450 Rally – 2020-2025
FS 450 – 2023-2026
FX 450 / Heritage Edition – 2022-2025
TC 250 / Heritage Edition – 2016-2026
TC 300 / Heritage Edition – 2025
TE 250 – 2014-2016
TE 300 / Pro / Heritage Edition – 2014-2026
TE 300i / Rockstar Edition – 2021-2023
TX 300 / Heritage Edition / i – 2022-2026
KTM
EXC / EXC-F Series
EXC 250 / Champion Edition / Six Days / TPI – 2006-2025
EXC 300 / Champion Edition / Hardenduro / Six Days / TPI – 2006-2026
EXC 400 – 2009-2011
EXC 450 / Factory Edition / Six Days – 2007-2016
EXC 500 / Six Days – 2012-2016
EXC 525 – 2007
EXC 530 – 2009-2011
EXC-F 250 / Champion Edition / Six Days – 2006-2026
EXC-F 350 / Champion Edition / Factory Edition / Six Days – 2012-2026
EXC-F 450 / Champion Edition / Six Days – 2017-2026
EXC-F 500 / Champion Edition / Six Days – 2017-2026
EXC-R 450 – 2008
EXC-R 530 – 2008
SX / SX-F / Racing
Rally Replica 450 – 2018-2026
SMR 450 – 2012-2026
SX 250 – 2006-2026
SX 300 – 2023-2026
SX-F 250 – 2007-2015
SX-F 350 – 2011-2020
SX-F 450 / Cairoli / Factory Edition / Herlings – 2012-2026
XC / XC-F / XC-W Series
XC 250 / TPI – 2006-2022
XC 300 / TPI – 2006-2026
XC-F 250 – 2007-2015
XC-F 350 / Factory Edition – 2011-2026
XC-F 450 – 2013-2026
XC-FW 250 / 350 – 2006-2022
XCF-W 450 – 2023-2026
XCF-W 500 – 2020-2022
XCR-W 450 / 530 – 2008
XC-W 150 TPI – 2020-2021
XC-W 250 / 300 / Hardenduro / TPI / Champion Edition / Factory Edition – 2006-2026
XC-W 400 / 450 / 500 / 530 – 2008-2016
XW-F 350 / 500 – 2024
TRIUMPH
TF 250-C – 2026
TF 250-E – 2025
TF 250-X – 2024-2026
TF 450-C – 2025-2026
TF 450-E – 2025
TF 450-RC Edition – 2025