The Eaton Fuller K-3981 or K3981 is the Gen 3 Dual Mount Inertia Brake Hose Kit for Fuller transmissions equipped with an inertia brake. The kit includes five components: one oil hose assembly (inertia brake), one elbow fitting, one 3/8 pipe-to-3/4-16 connector, one sealant, and one thread adhesive. Everything required for a complete hose replacement is packaged together, so there is no need to source individual pieces separately. This kit is also referenced under part number HFK-3981. Call us to confirm proper fit for your specific transmission application.
4303677 - Elbow, qty 1
5588213 - Hose Assembly, Oil (Inertia Brake), qty 1
691603 - Connector, 3/8 Pipe to 3/4-16, qty 1
71205 - Sealant, qty 1
71232 - Thread Adhesive, qty 1
Alternate part reference: HFK-3981
Features
Gen 3 Dual Mount Inertia Brake application
Includes oil hose assembly (inertia brake) - part 5588213
Includes elbow fitting - part 4303677
Includes 3/8 pipe-to-3/4-16 connector - part 691603
Includes sealant and thread adhesive for a complete installation
Also referenced as HFK-3981
Additional Information
Kit K-3981 Bill of Materials:4303677 - Elbow, qty 1
5588213 - Hose Assembly, Oil (Inertia Brake), qty 1
691603 - Connector, 3/8 Pipe to 3/4-16, qty 1
71205 - Sealant, qty 1
71232 - Thread Adhesive, qty 1
Alternate part reference: HFK-3981
