ID
1386188
1-2 weeks delivery time
Our managers will contact you and clarify the terms of the order
The Nanni Diesel 970312152 No. 1 idler gear is a precision drivetrain component used within the crankshaft and piston assembly to help transmit and time internal engine motion smoothly. Designed for OEM-fit replacement on T4.155 and 4.380TDI marine engines, including stern drive versions, it supports stable geartrain operation for dependable performance underway.
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No. 1 Idler Gear for the Crankshaft and Piston System
Built for accurate engagement within the engine geartrain, the Nanni Diesel 970312152 No. 1 idler gear is installed in the crankshaft and piston assembly. Its role is to transfer rotation between mating gears to keep internal engine drive and timing functions operating smoothly on compatible Nanni marine diesel platforms.
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312152
- Component Type: No. 1 Idler Gear
- Assembly Location: Crankshaft and Piston
Features
- OEM replacement gear designed for correct fit in the crankshaft and piston geartrain
- Helps maintain smooth power transfer between driven components
- Supports stable timing and consistent engine operation under marine duty cycles
- Suitable for both standard and stern drive engine configurations listed
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