Stainless Steel Skeg Guard Protector – Fits Mercury MerCruiser Bravo I & III 1990-Present (Replaces 27051)
This Skeg Guard Protector is designed for Mercury MerCruiser Bravo I and Bravo III stern drives from 1990 to the present. It is a direct bolt-on replacement part tailored specifically for larger gearcases equipped with an oil recirculation system. Please note this product is not compatible with XR Sport Master models.
It serves as a direct replacement for Mercury/MerCruiser part number 27051 and aftermarket equivalents from SupremeMarine, GlückMarine, and Keelguard.
- Includes skeg protector, drill bit, stainless steel nuts, hex wrenches, and bolts with thread locker sealant
- Material: Marine Grade 316 Stainless Steel, silver finish
- Installation method: Bolt-On, vehicle specific fit
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Mercury/MerCruiser |
27051 |
| SupremeMarine |
1900 |
| GlückMarine |
27051 |
| Keelguard |
254-27051 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
| Brand |
Model |
Years |
OEM Part No. |
Notes |
| MerCruiser |
Bravo I |
1990-Present |
27051 |
Fits larger gearcase with oil recirculation system |
| MerCruiser |
Bravo III |
1990-Present |
27051 |
Fits larger gearcase with oil recirculation system |
Technical Specifications
| Specification |
Value |
| Product Type |
Skeg Guard Protector |
| Installation |
Bolt-On |
| Connection |
Direct Fit |
| Housing Material |
Marine Grade 316 Stainless Steel |
| Housing Color |
Silver |
| Weight |
0.58 kg (1.27 lb) |
| Fitting Type |
Vehicle Specific Fit |
| Other Technical Attributes |
Features reinforced 3mm lower wear tab, drain hole to prevent corrosion/freezing |
Package Contents
- 1 x Skeg Protector (27051)
- 1 x Drill Bit
- 2 x Stainless Steel Nuts
- 2 x Hex Wrenches
- 2 x Stainless Steel Bolts (with thread locker sealant pre-applied)
Installation Guide
Installation requires at least 2-3 inches of the original skeg remaining. Follow these steps for installation:
- Ensure the skeg surface is clean and free of debris.
- Position the skeg guard protector on the skeg aligning the bolt holes.
- Use the supplied drill bit to drill mounting holes if not already present.
- Secure the skeg guard with the included stainless steel bolts and nuts.
- Tighten bolts using the supplied hex wrenches, ensuring a snug fit without over-tightening.
- Check alignment and confirm no interference with gearcase operation.
- Ensure the drain hole is clear to prevent water accumulation.
Troubleshooting & FAQ
-
How do I confirm this fits my engine? Confirm your engine model and year in the compatible engine models table and ensure your skeg matches the size requirements. This guard fits Mercury MerCruiser Bravo I & III models from 1990 to present but is not compatible with XR Sport Master models.
-
What are the differences compared to OEM parts? This listing is an aftermarket replacement part built to OEM specifications using marine grade 316 stainless steel. It includes enhancements like a reinforced 3mm wear tab and a corrosion-preventing drain hole.
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How often should I replace the skeg guard? Replacement depends on wear and usage conditions. Inspect the guard regularly for damage or excessive wear, especially after impacts.
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What signs indicate the skeg guard needs maintenance or replacement? Visible wear on the lower tab, corrosion buildup, or loose fittings are signs to address. Ensure the drain hole remains clear to prevent freezing or corrosion.
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OEM vs. Aftermarket? This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
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How fast do you ship and how much does it cost? We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
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What is your warranty and return policy? This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.