Description
SIERRA Bronze Freeze/Core Plug 1-5/8 in., 8-Pack – 18-5961-9 is an eight-pack of 1-5/8-inch bronze core plugs used in compatible marine engine blocks.
Bronze construction is well suited to marine service where corrosion resistance is important. Measure the block bore and confirm the OE reference before replacing a core plug.
Key Features
- Eight core/freeze plugs per package
- 1-5/8 in. / 41.3 mm nominal diameter
- Bronze construction
- Used on selected GM-based marine engine blocks
- Cross-references MerCruiser/Crusader service applications
Specifications
- Manufacturer Part Number: 18-5961-9
- Product Type: Engine core/freeze plug
- Package Quantity: 8
- Diameter: 1-5/8 in. / 41.3 mm
- Material: Bronze
Interchange / Cross Reference
- MerCruiser 19-34270
- Crusader / PCM R069066
Confirm block-bore diameter and original plug material/part number before installation.
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