Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 27-877361)
Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 27-877361) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 27-877361)
Product Details
This is a high-quality aftermarket Gasket – Fits Mercury/Mercruiser Marine Engines (Replaces 27-877361), designed for use in various Mercury/Mercruiser marine engines. It is specifically cited for use in Mercury V-200 Outboard 2-stroke models within the serial number range 0C100861 through 0C291519.
This part serves as a direct replacement for OEM part numbers from Mercury and Quicksilver, including 27-877361.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 27-877361 |
| Quicksilver | 27-877361 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury | V-200 Outboard | 200 | 2-Stroke | 27-877361 | For S/N 0C100861-0C291519, specifically for CHOKE PLATE AND THROTTLE LEVERS on units with S/N C239552 and below. |
Technical Specs
- Product Type
- Gasket
- Dimensions
- L: 45.5, W: 30.0, H: 0.3
- Weight
- 0.059 kg (0.13 lb)
What’s in the Box
- 1 x GASKET (27-877361)
Installation Notes
- Disconnect the battery and ensure the engine is cool.
- Drain any relevant fluids (e.g., oil, coolant) to prevent spills.
- Carefully remove the components necessary to access the old gasket.
- Remove the old gasket and thoroughly clean both mating surfaces of any residue or old sealant.
- Position the new gasket correctly; ensure all bolt holes align perfectly.
- Reinstall the components and tighten fasteners to the manufacturer's recommended torque specifications in the correct sequence.
- Refill any drained fluids and reconnect the battery.
- Start the engine and carefully inspect the area for any leaks.
Troubleshooting & FAQ
How can I confirm this gasket fits my specific engine?
The most reliable method is to match the OEM part number 27-877361 with your engine's service manual or parts diagram. Also, check the engine compatibility table for your model and serial number range.
What are the common signs of a failed gasket?
Signs of a failing gasket can include fluid leaks (oil, coolant), overheating, loss of compression, or poor engine performance. Visual inspection may reveal cracks, brittleness, or deterioration in the old gasket material.
Does this gasket require a sealant during installation?
Most modern gaskets are designed to be installed dry. However, always consult your engine’s official service manual for specific instructions, as some applications may recommend a thin layer of a specific sealant.
What is the difference between an OEM part and this aftermarket one?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Our parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.
How fast do you ship and what are the costs?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout if they are available for your location.
What is the warranty and return policy on this part?
This part is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for parts that are unused and in their 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.
Payment & Security
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