ID
1362922
$ 435.84
1-2 weeks delivery time
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The Nanni Diesel 970312129 Mark 5 connecting rod bearing is a precision engine bearing element used within the crankshaft and piston assembly to support smooth connecting-rod rotation on the crank journal. Designed for OEM-fit replacement in Nanni marine diesel applications, it helps maintain stable oil-film support and reliable bottom-end operation across T4.155, 4.380TDI, T4.165, T4.180, T4.200, T4.270, T4.230, and T4.205 Standard engines, including stern drive variants where specified.
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Mark 5 Connecting Rod Bearing for Crankshaft and Piston Assembly
The Nanni Diesel 970312129 is a Mark 5 connecting rod bearing for the crankshaft and piston system. Installed at the connecting rod big end, this bearing supports the rotating interface on the crankshaft journal, helping maintain smooth operation and dependable lubrication performance in demanding marine duty cycles.
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
Technical Specifications
Part Number 970312129 Component Connecting Rod Bearing Mark 5
Product Details
- Brand: Nanni Diesel
- Assembly Location: Crankshaft and Piston
- Application: Connecting rod big-end bearing position supporting the crank journal interface
Features
- OEM-fit bearing selection identified as Mark 5 for correct matching during engine service
- Supports smooth crankshaft-to-connecting-rod rotation under marine load
- Helps maintain consistent oil clearance behavior for stable bottom-end performance
- Suitable for service work on multiple Nanni T4 series and related stern drive engine variants
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