ID
1386320
1-2 weeks delivery time
Our managers will contact you and clarify the terms of the order
The Nanni Diesel 970310396 trolling valve is a gearbox control component for the ZF25 23B transmission, helping deliver smooth low-speed maneuvering and precise thrust management. Supplied as part of the gear box assembly, it is intended for use on 4.330TDI engines where controlled clutch engagement is essential for docking, fishing, and slow-speed handling.
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ZF25 23B Gearbox Trolling Valve for Controlled Low-Speed Operation
The Nanni Diesel 970310396 is a trolling valve for the ZF25 23B gearbox, installed within the gear box assembly on Nanni marine propulsion packages. By enabling finer control of clutch pressure and engagement, it supports smooth slow-speed maneuvering, steady trolling speeds, and confident handling in tight quarters.
Compatibility
- 4.330TDI engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970310396
- Component Type: Trolling Valve
- Assembly Location: Gear Box
- Associated Gearbox: ZF25 23B
Features
- Designed for precise low-speed control through the gearbox system
- Supports smoother engagement characteristics during docking and trolling
- OEM replacement part matched to Nanni Diesel gear box assemblies
- Helps maintain predictable thrust response for slow-speed vessel handling
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