ID
1364310
$ 286.16
1-2 weeks delivery time
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The Nanni Diesel 970312712 overflow screw sub-assembly is a precision fastener unit used in the injection and fuel pump assembly to support secure fuel-line routing and controlled return flow at the pump. Designed for a correct OEM-style fit on T6.420TDI and T6.300 marine engines, it also matches the stern drive versions of these engine models for dependable service in demanding onboard fuel systems.
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Injection and Fuel Pump Overflow Screw Sub-Assembly
The Nanni Diesel 970312712 is an overflow screw sub-assembly used within the injection and fuel pump assembly. Installed at the pump, it helps secure the connection point associated with overflow and return fuel routing, supporting a tidy, leak-resistant fuel system layout and stable pump operation.
Compatibility
- T6.420TDI engines
- T6.300 engines
- T6.420TDI Stern Drive engines
- T6.300 Stern Drive engines
Product Details
- Brand: Nanni Diesel
- Part Number: 970312712
- Component Type: Overflow Screw Sub-Assembly
- Assembly Location: Injection and Fuel Pump
Features
- OEM replacement part for the injection and fuel pump assembly
- Supports secure fastening at the pump overflow/return connection point
- Helps maintain consistent fuel system operation under marine vibration
- Direct-fit compatibility across standard and stern drive engine variants
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