The hydraulic throwout bearing is a key actuation component in modern hydraulic clutch systems, serving as the mechanical interface between the stationary hydraulic actuator and the rotating clutch pressure plate inside the transmission bellhousing.
Unlike purely mechanical linkages, hydraulic clutch systems use fluid pressure to transmit pedal force—typically via a master cylinder and either an external slave cylinder or a concentric slave cylinder (CSC). In both configurations, the hydraulic throwout bearing enables low-friction axial movement while withstanding high rotational speeds, heat, and cyclic loading.
Functionally, it consists of a thrust face that contacts the diaphragm spring fingers of the pressure plate and an internal bearing assembly that allows smooth sliding under rotation. When the clutch pedal is depressed, hydraulic pressure pushes the actuator forward, and the throwout bearing transmits this force to disengage the clutch—interrupting torque flow from the engine to the transmission input shaft.
Although often integrated within a concentric slave cylinder in newer vehicles, the throwout bearing remains a wear-critical sub-component. Its failure—due to lubricant loss, contamination, or bearing seizure—can lead to incomplete clutch disengagement, gear clash, or premature CSC damage.
System Compatibility: Standalone vs. CSC-Integrated Designs
At TSP, we specialize in manufacturing and supplying high-precision hydraulic throwout bearings for global aftermarket distribution. Our product range includes:
Standalone throwout bearings compatible with external slave cylinder systems;
Integrated throwout units designed for serviceable concentric slave cylinder (CSC) assemblies;
Complete clutch kits featuring matched hydraulic throwout bearings, pressure plates, and driven discs. All components are engineered using OE benchmarking data from leading vehicle manufacturers, ensuring exact-fit performance across Asian, European, and American platforms.
Precision Engineering for Demanding Operating Conditions
At TSP, we specialize in manufacturing and supplying high-precision hydraulic throwout bearings for global aftermarket distribution. Our product range includes: Each hydraulic throwout bearing is built to demanding specifications:
Sealed-for-life design with high-temperature lithium-complex grease (stable up to 200°C);
Precision-ground chrome steel races and rolling elements for extended fatigue life;
Thrust surfaces hardened and polished to minimize wear against diaphragm springs.
Every batch undergoes functional validation, including axial load endurance, rotational noise testing, and compatibility checks with OEM CSC housings.
Global Application Coverage & Technical Support
TSP’s hydraulic throwout bearings are IATF 16949-certified and support thousands of applications—from compact sedans to light commercial vehicles. We provide distributors with:
OE cross-reference databases;
Technical installation bulletins;
Batch traceability and quality documentation.
By sourcing from TSP, you ensure reliable clutch system performance, reduce warranty returns, and strengthen your reputation as a supplier of mission-critical drivetrain components.
Partner with a Trusted Supplier for Clutch System Components As a vertically integrated manufacturer, TSP offers scalable supply solutions for hydraulic clutch components worldwide. Whether you require container-load shipments for regional distribution or just-in-time delivery for key accounts, our logistics network and technical team ensure consistent support.
Our commitment to engineering accuracy, material integrity, and system-level validation makes TSP a preferred partner for professional aftermarket channels seeking dependable alternatives to OE pricing—without compromising on performance or reliability.
TSP provides professional timing system parts with a global perspective, collaborating with long-term partners worldwide to give engines a second lease on life.
