Sierra 18-2345
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Sierra 18-2345 Product Description
Sierra 18-2345 Drive Shaft Bearing E-Ring - Essential Sterndrive Component for Alpha One Gen II
Ensure secure trim cylinder operation and reliable sterndrive performance with the Sierra 18-2345 Drive Shaft Bearing E-Ring. Engineered for MerCruiser Alpha One Gen II drives, this precision-manufactured E-ring provides critical retention for the trim cylinder anchor pin, delivering dependable operation in demanding marine environments.
Key Features & Benefits
- Alpha One Gen II Specific - Engineered for precise fitment on Alpha One Generation II sterndrive systems
- OEM Replacement Quality - Direct replacement for MerCruiser 53-815949 with identical specifications
- Corrosion-Resistant Material - Non-corrosive construction withstands harsh marine environments
- Critical Retention Function - Secures trim cylinder to anchor pin for reliable operation
- Precision Manufacturing - Meets or exceeds OEM specifications for exact fitment
- Made in USA - Manufactured in the United States for superior quality control
Technical Specifications
| Manufacturer: | Sierra Engine Parts |
| Part Number: | 18-2345 |
| UPC Code: | 808282237356 |
| Application: | Drive Shaft Bearing E-Ring |
| Weight: | 0.02 lbs |
| Material: | Marine-Grade Non-Corrosive Metal |
| Country of Origin: | United States |
Drive System Compatibility
Direct Replacement For:
- MerCruiser 53-815949
- GLM 21771
Compatible Drive Systems: MerCruiser Alpha One Generation II Sterndrives
Function: Secures trim cylinder to anchor pin assembly
Installation & Service
Installation Guidelines:
- Remove outdrive and access trim cylinder assembly
- Support trim cylinder during E-ring removal/installation
- Remove old E-ring using appropriate removal tools
- Inspect anchor pin for wear or damage before reassembly
- Install new E-ring ensuring complete engagement in groove
- Verify E-ring is fully seated and secure
- Test trim cylinder operation after reassembly
Why Choose Sierra Marine Components?
Sierra Marine has been the trusted choice of marine professionals for over 40 years. Their precision-manufactured components are designed to meet or exceed OEM specifications, ensuring reliable performance in demanding marine environments. Each E-ring undergoes rigorous quality control testing and is backed by Sierra's commitment to marine industry excellence.
Signs You Need This E-Ring
- Trim cylinder detachment from anchor pin
- Visible wear or deformation of existing E-ring
- Loose trim cylinder operation
- E-ring loss during maintenance or repair
- Recommended replacement during outdrive overhaul
Critical Function in Sterndrive Operation
The drive shaft bearing E-ring plays a vital role in sterndrive operation:
- Trim System Security - Prevents trim cylinder separation from anchor pin
- Operational Safety - Ensures reliable trim and tilt functionality
- Component Protection - Prevents damage from loose cylinder assemblies
- System Integrity - Maintains proper sterndrive alignment and operation
Maintenance Recommendations
Service Guidelines:
- Inspect E-ring during annual sterndrive service
- Replace if any signs of wear or deformation are present
- Keep spare E-rings in toolkit for emergency repairs
- Replace during major sterndrive overhauls
- Verify proper installation after any trim system service
Professional Installation Benefits
While this component may appear simple, proper installation requires:
- Knowledge of sterndrive disassembly procedures
- Appropriate tools for safe E-ring installation
- Understanding of trim system operation
- Ability to verify proper engagement and security
- Experience with sterndrive reassembly and testing
Frequently Asked Questions
Is this E-ring compatible with my Alpha One Gen II drive?
Yes, the Sierra 18-2345 is specifically designed for Alpha One Generation II sterndrives and directly replaces MerCruiser part number 53-815949.
How do I know if my E-ring needs replacement?
Replace the E-ring if it shows signs of wear, deformation, or if it has come loose. Also replace during major sterndrive service or if the trim cylinder becomes detached.
Can I install this E-ring myself?
While the part itself is simple, installation requires sterndrive removal and knowledge of trim system components. Professional installation is recommended for safety and proper operation.
How often should this E-ring be replaced?
Replace when signs of wear are evident, during major sterndrive overhauls, or if lost during maintenance. There's no specific service interval, but inspect annually.
What happens if this E-ring fails?
E-ring failure can result in trim cylinder detachment, loss of trim/tilt function, and potential damage to sterndrive components. Immediate replacement is necessary for safe operation.
Warranty & Support
Sierra Marine Parts are backed by a limited lifetime warranty against defects in materials and workmanship. Made in USA quality ensures reliable performance and longevity in marine applications.
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Sierra 18-2345 Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Sierra Engine Parts |
| Weight: |
0.01 lb |
Sierra 18-2345 User Reviews
Sierra 18-2345 Shipping & Return
| Shipping Weight: |
0.01 lb |
|---|---|
| Box Sizes: |
0.00 (h) x 4.00 (w) x 5.00 (l) |
| Cubic Feet: |
0.0 |
| Returnable: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.