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The Nanni Diesel 970312275 thermostat sealing gasket is a precision-fit replacement that helps keep the cooling circuit tight and stable around the thermostat housing. Used within the thermostat assembly and also supplied in the gasket kit, it supports clean coolant flow control on T4.155 and 4.380TDI engines, including Stern Drive variants, as well as T4.165, T4.180, and T4.200 engines.
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Nanni Diesel Thermostat Housing Sealing Gasket
The Nanni Diesel 970312275 is a thermostat gasket designed to seal the mating surfaces of the thermostat assembly, helping the thermostat regulate engine temperature without coolant seepage at the housing joint. It also appears within the gasket kit for the same engine families, making it a practical OEM replacement when servicing cooling-system components.
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
Product Details
- Brand: Nanni Diesel
- Part Number: 970312275
- Component Type: Thermostat Gasket
- Assembly Location: Thermostat
- Also Used In: Gasket Kit
Features
- Supports leak-free sealing at the thermostat-to-housing interface
- Helps maintain stable operating temperature by protecting coolant circuit integrity
- OEM fit for straightforward replacement during thermostat service
- Suitable for both inboard and stern drive configurations listed
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