E-Ring Clips – Fits Mercruiser Alpha 1 Gen 2 (Replaces 53-815949, 18-2345)
E-Ring Clips – Fits Mercruiser Alpha 1 Gen 2 (Replaces 53-815949, 18-2345) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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E-Ring Clips – Fits Mercruiser Alpha 1 Gen 2 (Replaces 53-815949, 1...
E-Ring Clips – Fits Mercruiser Alpha 1 Gen 2 (Replaces 53-815949, 18-2345) is backordered and will ship as soon as it is back in stock.
Product Details
These E-Ring Clips for Trim Ram – Fits Mercruiser Alpha 1 Gen 2 Sterndrive (Replaces 53-815949) are specifically designed for Mercruiser Alpha One Gen 2 sterndrive units manufactured from 1991 and newer. They are essential for securing the trim rams in the hydraulic tilt and trim system, preventing detachment and ensuring proper functionality.
This part is a direct interchange for Mercruiser OEM part 53-815949 and Sierra aftermarket part 18-2345.
- Installs as an external snap ring to secure trim ram cylinders.
- Constructed from durable metal to withstand the demanding marine environment.
- Requires snap ring or circlip pliers for proper installation and removal.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Mercruiser | 53-815949 / 815949 |
| Sierra | 18-2345 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure fitment.
| Brand | Model | Years | OEM Part No. | Notes |
|---|---|---|---|---|
| Mercruiser | Alpha One Gen 2 Sterndrive | 1991 and newer | 53-815949 | Used on trim cylinder rams |
Technical Specs
- Product Type
- Trim Ram E-Ring Clip / External Circlip
- Installation
- External snap ring for securing trim ram cylinders
- Material
- Metal (likely spring steel)
- Application
- Marine sterndrive trim system
- Quantity Per Pack
- 2-4 pieces depending on supplier/package
- Compatibility
- Alpha One Gen 2 (1991 and newer)
- Function
- Secures trim rams to prevent hydraulic system failure
- Installation Tool
- Snap ring/circlip pliers recommended
What’s in the Box
- 2 to 4 x Trim Ram E-Ring Clips (Replaces 53-815949)
- Note: The exact quantity per pack (2 or 4 pieces) varies by supplier.
Installation Notes
- Raise the sterndrive to a safe working position and secure it to prevent it from falling.
- Relieve any hydraulic pressure in the trim system according to your service manual.
- Using snap ring pliers, carefully remove the old e-ring clip from the trim ram pin.
- Clean the pin and groove of any dirt, corrosion, or debris.
- Position the new e-ring clip over the end of the pin.
- Use snap ring pliers to expand the clip and slide it along the pin until it seats firmly in its groove.
- Visually confirm the clip is fully seated and cannot be easily dislodged.
- Lower the sterndrive and test the trim system to ensure smooth and correct operation.
Troubleshooting & FAQ
How do I know if I need to replace my trim ram e-rings?
Inspect your current e-rings for any signs of visible corrosion, wear, deformation, or a loose fit. If a clip is missing or appears damaged, it must be replaced immediately to prevent trim system failure.
Will this fit my specific Mercruiser Alpha One model?
These e-ring clips are specifically for Mercruiser Alpha One Gen 2 sterndrives made in 1991 and later, which use OEM part number 53-815949. They will not fit Gen 1 models.
What tools are required for installation?
Snap ring pliers (also known as circlip pliers) are highly recommended. Using other tools like screwdrivers or standard pliers can damage the new clip, the pin, or cause injury.
Why does the quantity vary between 2 and 4 clips?
Different aftermarket suppliers package these clips differently. Some kits provide a direct pair for one ram, while others provide a set of four for both rams. Please check the details of the specific listing you are purchasing from.
Can I reuse the old clips after removing them?
No, it is strongly recommended to never reuse e-rings or circlips. They are single-use components that lose their tension and spring properties upon removal, increasing the risk of failure if reinstalled.
What happens if an e-ring fails while on the water?
An e-ring failure can cause the trim ram to become disconnected from its anchor pin. This leads to a complete loss of trim control for the sterndrive, which may swing freely and cause subsequent damage to the transom assembly or hydraulic system.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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