Description
SIERRA MerCruiser 3.7L / 224 CID Oil Pan Gasket Set – 18-4366
Sierra 18-4366 is a oil pan gasket set for MerCruiser 224 CID / 3.7L four-cylinder marine engines using oil-pan gasket set 27-72479 / 27-72479A5 / 27-72479T.
- Correctly identified as the oil-pan gasket set for the MerCruiser 3.7L/224 CID engine family.
- Cross-references GLM 30850 and the listed MerCruiser 27-72479-series numbers.
- During oil-pan service, inspect sealing rails, pan flange straightness and rear/front seal interfaces; use only the sealant specified by the engine service procedure.
- Designed as a direct marine-service replacement where the listed Sierra/OEM reference is specified.
- Compare the original part number, dimensions and assembly configuration before installation.
Fitment for marine engine and drive service parts can vary by model, serial number, drive/gearcase, cooling configuration and prior OEM supersessions. Compare the original OEM number and physical configuration before installation, and follow the applicable manufacturer service procedure and torque specifications.
Specifications
- Manufacturer: Sierra
- Part Number: 18-4366
- Part Type: Oil pan gasket set
- Application: MerCruiser 224 CID / 3.7L four-cylinder marine engines using oil-pan gasket set 27-72479 / 27-72479A5 / 27-72479T.
- Engine Family: MerCruiser 224 CID / 3.7L four-cylinder
- Set Type: Oil pan gasket set
Interchange / OEM References
- MerCruiser: 27-72479, 27-72479A5, 27-72479T
- GLM: 30850

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