ID
824981
$ 8.17
1-2 weeks delivery time
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The Bukh 40477 freeze stopper (22 mm diameter) is a sealing plug used in the engine block or cooling jacket to close a machined bore and keep the cooling system watertight. It helps protect the engine’s internal coolant passages from leaks and supports dependable temperature control in marine service.
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BUKH 22 mm Freeze Stopper for Engine Block Sealing
The Bukh 40477 freeze stopper is a 22 mm diameter sealing plug used to close a bore in the engine casting, helping maintain a tight, leak-free cooling jacket. Replacing a worn or leaking plug supports stable cooling performance and reliable operation onboard.
Compatibility
- BUKH marine engines
Technical Specifications
Part Number 40477 Reference Number 000E0477 Diameter 22 mm
Features
- Seals a machined bore in the engine casting to prevent coolant leaks
- Supports reliable cooling system integrity under marine operating conditions
- Practical replacement part during cooling system service or overhaul
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