Description
SIERRA MerCruiser Alpha One Gen II Face Seal and Installation Tool – 18-2599
Sierra 18-2599 is a Face seal and installation tool engineered for the specified marine application. MerCruiser Alpha One Gen II drives using OEM face-seal kit 26-816575A2; the seal is used at the top of the water-pump/drive-shaft housing arrangement on applicable units.
- Face-seal service kit for Alpha One Gen II stern drives.
- Includes the seal and installation tool required for controlled placement.
- Replaces MerCruiser/Mercury 26-816575A2.
- Cataloged specifically for Alpha One Gen II applications.
- Use the installation tool and service-manual depth/orientation procedure to avoid damaging the sealing lip.
For marine drive and engine service parts, fitment can vary by model, serial number, gear ratio, casting and prior service history. Compare the original OEM number and physical configuration before installation, and replace related seals, bearings, locking hardware, hoses or cable components when their condition requires it.
Specifications
- Manufacturer: Sierra
- Part Number: 18-2599
- Part Type: Face seal and installation tool
- Application: MerCruiser Alpha One Gen II drives using OEM face-seal kit 26-816575A2; the seal is used at the top of the water-pump/drive-shaft housing arrangement on applicable units.
- Drive Family: Alpha One Gen II
- OEM Reference: 26-816575A2
Interchange / OEM References
- GLM: 85590
- Mallory: 9-43628
- Mercruiser Stern Drive: 26-816575A2
- Mercury Marine: 26-816575A2

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