Skeg Guard Repair Kit – Fits Mercury/Mariner 75-300 HP (Replaces 27211)
Skeg Guard Repair Kit – Fits Mercury/Mariner 75-300 HP (Replaces 27211) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Skeg Guard Repair Kit – Fits Mercury/Mariner 75-300 HP (Replaces 27...
Skeg Guard Repair Kit – Fits Mercury/Mariner 75-300 HP (Replaces 27211) is backordered and will ship as soon as it is back in stock.
Product Details
This Skeg Guard Repair Kit – Fits Mercury/Mariner 75-300 HP Outboards (Replaces 27211) is designed for a direct fit on Mercury and Mariner outboard motors from 75 to 300 horsepower, including 2-stroke and 4-stroke models from 1999 to the present. Constructed from marine-grade 316 stainless steel with a mirror-polished finish, it provides robust protection for your skeg against damage from rocks, submerged debris, and ramp dragging.
It serves as a direct replacement for Mercury 27211, KeelGuard 27211, and SupremeMarine 1905.
- Simple bolt-on installation with all necessary hardware included.
- Engineered for marine environments with a drain hole to prevent water collection.
- Features a thickened 3mm lower wear tab to reduce damage from ramp dragging.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 27211 |
| KeelGuard | 27211 |
| SupremeMarine | 1905 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | Command Thrust & SeaPro | 75, 90, 115 | 4-Stroke | 2014–Present | 27211 | 4.25" GC, 2.38 |
| Mercury | Verado | 135, 150, 175, 200, 225 | 4-Stroke | 2005–2018 | 27211 | 4.8" GC |
| Mercury | ProXS & SeaPro | 150 | 4-Stroke | 2019–Present | 27211 | 4.8" GC |
| Mercury | Optimax & ProXS | 200, 225, 250 | 2-Stroke | 1999–2018 | 27211 | No Torquemaster |
| Mercury | PRO Verado | 200, 250, 300 | 4-Stroke | 2015–2018 | 27211 | 4.8" GC |
Technical Specs
- Product Type
- Skeg Guard Repair/Protection Kit
- Installation
- Bolt-On (Hardware Included)
- Connection
- Direct Fit
- Housing Material
- Marine Grade 316 Stainless Steel
- Housing Color
- Silver (Mirror-Polished)
- Fitting Type
- Vehicle Specific Fit
- Operating Temperature
- Marine Environment
- Other Technical Attributes
- Features a drain hole on bottom to prevent water collection; Thickened 3mm lower wear tab reduces ramp dragging
What’s in the Box
- 1 x Skeg Guard (27211)
- 1 x Drill Bit (1/4-inch)
- 2 x Nuts
- 2 x Hex Wrenches
- 4 x Screws
- 1 x Threadlocker Sealant
Installation Notes
- Ensure you have at least 2-3 inches of the original skeg remaining for a secure installation.
- Clean the skeg thoroughly to remove any debris or marine growth.
- Slide the skeg guard onto the existing skeg, ensuring a snug and proper fit.
- Mark the locations for the mounting holes through the pre-drilled holes in the guard.
- Remove the guard and drill the marked holes using the included 1/4-inch drill bit.
- Apply the threadlocker sealant to the threads of the mounting screws.
- Secure the skeg guard by inserting and tightening the screws and nuts with the included hex wrenches. Do not overtighten.
Troubleshooting & FAQ
How do I know if this skeg guard will fit my engine?
This guard is designed for specific Mercury and Mariner models from 75 HP to 300 HP (1999–Present). Please verify your engine's model, horsepower, and year against the compatibility table above. A minimum of 2-3 inches of the original skeg is also required.
What is the advantage of 316 stainless steel?
Marine-grade 316 stainless steel offers superior corrosion resistance compared to other materials, making it ideal for saltwater and freshwater environments. It provides excellent durability against impacts from rocks and debris.
Can I install this myself?
Yes, installation is a straightforward bolt-on process. The kit includes all necessary hardware, a drill bit, and threadlocker. However, professional installation is always recommended to ensure safety and correct fitment.
Does this skeg guard affect performance?
When installed correctly, the skeg guard has a minimal to negligible effect on performance. Its hydrodynamic design is intended to protect the skeg without creating significant drag.
What is the purpose of the drain hole?
The drain hole at the bottom prevents water from collecting inside the guard, which could lead to corrosion or add unnecessary weight.
Is this an OEM part?
This is an aftermarket replacement part, not an original equipment manufacturer (OEM) component. It is engineered to meet or exceed OEM specifications for fit and function.
What are your shipping speed and cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free, and expedited options will appear at checkout if available for your location.
What is the warranty and return policy?
This product is covered by a 1-year warranty against manufacturing defects under normal marine use. If an issue arises, contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. Please see our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against your original part before purchasing. If anything differs—even if your model appears on the compatibility list—do not purchase.
- This is an aftermarket replacement part, not an OEM component.
- Professional installation is recommended for safety and optimal 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 quality control.
Payment & Security
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