ID
1362944
$ 117.10
1-2 weeks delivery time
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The Nanni Diesel 970312155 idler gear spring is a precision engine fastener element used within the crankshaft and piston assembly group. It helps maintain correct idler gear loading and stable geartrain operation, supporting smooth timing drive performance on T4.155, 4.380TDI, T4.165, T4.180, T4.200, T4.270, T4.230, and T4.205 Standard marine diesel engines, including stern drive configurations where listed.
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Nanni Diesel 970312155 Idler Gear Spring for the Geartrain
The Nanni Diesel 970312155 idler gear spring is fitted within the crankshaft and piston assembly group. By providing the required spring force at the idler gear arrangement, it supports consistent gear engagement and dependable operation of the engine’s internal drive system across a wide range of T4-series marine engines.
Features
- Designed for correct positioning and controlled loading of the idler gear arrangement
- Supports stable timing drive and smooth geartrain operation under marine duty cycles
- OEM replacement part for accurate fit within the crankshaft and piston assembly group
- Suitable for both conventional inboard and specified stern drive engine configurations
Compatibility
- T4.155 engines
- 4.380TDI engines
- T4.155 Stern Drive engines
- 4.380TDI Stern Drive engines
- T4.165 engines
- T4.180 engines
- T4.200 engines
- T4.270 engines
- T4.230 engines
- T4.205 Standard engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312155
- Component Type: Idler Gear Spring
- Assembly Location: Crankshaft and Piston (Crankshaft Pistons)
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