The Eaton K-4489CL is a premium heavy-duty 430 mm diaphragm spring clutch kit engineered specifically for Detroit DT12 automated manual transmissions used in Freightliner and Western Star applications. Designed to meet OEM performance standards, this clutch delivers smooth, reliable engagement and consistent torque transfer in high-demand Class 8 truck environments.
Featuring a push-type, self-adjusting diaphragm spring design, the K-4489CL reduces maintenance requirements while maintaining optimal clutch performance throughout its service life. Its dual-disc configuration and organic friction facings provide excellent heat dissipation, minimize chatter, and improve overall driveline durability under heavy loads.
Built with 100% new components and an integrated pre-damper, this clutch helps eliminate idle rattle and vibration, extending the life of transmission components. The kit is designed as a direct-fit replacement for DT12 applications and typically includes all necessary installation components for efficient service and reduced downtime.
With a shipping weight of approximately 118 lbs, the K-4489CL is a robust, high-capacity solution ideal for linehaul and vocational fleets requiring dependable automated transmission performance.
Key Features:
- 430 mm heavy-duty dual-disc clutch design
- Compatible with Detroit DT12 automated manual transmissions
- Push-type, self-adjusting diaphragm spring
- Clutch Tier CL-T1
- Organic friction material for smooth engagement and reduced wear
- Integrated pre-damper to minimize vibration and noise
- OEM-quality construction for long service life
