Exhaust Manifold 90° Elbow Drain Plug – Fits MerCruiser 4.3L, 5.0L, 5.7L, 6.2L V6/V8 (Replaces 806926A1, 862210A01)
Exhaust Manifold 90° Elbow Drain Plug – Fits MerCruiser 4.3L, 5.0L, 5.7L, 6.2L V6/V8 (Replaces 806926A1, 862210A01) is backordered and will ship as soon as it is back in stock.
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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.
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Exhaust Manifold 90° Elbow Drain Plug – Fits MerCruiser 4.3L, 5.0L, 5.7L, 6.2L V6/V8 (Replaces 806926A1, 862210A01) is backordered and will ship as soon as it is back in stock.
Product Details
This Exhaust Manifold 90° Elbow Drain Plug is designed for a precise fit on a wide range of MerCruiser sterndrive and inboard engines. It is compatible with V6 models like the 4.3L and V8 engines including the 5.0L, 5.7L, 5.8L, 6.2L, 7.4L, and 8.2L series, ensuring broad application across various model years.
This part serves as a direct replacement for multiple OEM and aftermarket part numbers, including Mercury 862210A01, MerCruiser 22-862210A01 and 22-806926A1, Sierra 18-4224, GLM 13990, and Mallory 9-41200.
- Installs as a 90° elbow thread-in fitting.
- Constructed from marine-grade nylon PA66 plastic for durability and corrosion resistance.
- Package includes one drain plug.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 862210A01 |
| MerCruiser | 22-862210A01 |
| MerCruiser | 22-806926A1 |
| Sierra | 18-4224 |
| GLM | 13990 |
| Mallory | 9-41200 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| MerCruiser | 4.3L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 5.0L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 5.7L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 5.8L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 6.2L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 6.3L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 6.8L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 7.4L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 8.2L | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 262 MAG | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 350 | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 377 | Various | 4-Stroke | 862210A01 | |
| MerCruiser | 383 MPI | Various | 4-Stroke | 862210A01 |
Technical Specs
- Product Type
- Exhaust Manifold Drain Plug
- Installation
- 90° Elbow Fitting
- Connection
- Thread-in
- Housing Material
- Nylon PA66 Plastic
- Housing Color
- Black
- Fitting Type
- 90° Elbow
- Other Technical Attributes
- Marine grade nylon plastic for durability and corrosion resistance
What’s in the Box
- 1 x Exhaust Manifold 90° Elbow Drain Plug (806926A1/862210A01)
Installation Notes
- Ensure the engine is cool and turned off. Place a suitable container under the existing drain plug to catch any residual fluids.
- Carefully unscrew and remove the old drain plug.
- Clean the threads on the manifold to ensure a clean sealing surface.
- Inspect the new drain plug for any defects before installation.
- Hand-thread the new 90° elbow drain plug until it is snug.
- Use an appropriate tool to tighten the plug gently. Do not overtighten, as this can damage the nylon housing or manifold threads.
- After running the engine, check for any leaks and retighten if necessary.
Troubleshooting & FAQ
How do I know if this drain plug will fit my specific engine model?
This plug fits a wide variety of MerCruiser V6 and V8 engines. The best way to confirm fitment is to check your engine's service manual or compare your existing part number to those listed in our Part Number Matrix. Visually comparing your old part to our product images is also a helpful step.
What are the signs that my current drain plug needs replacement?
Common signs of a failing drain plug include visible cracks, brittleness, coolant or water leaks around the plug area, or difficulty in tightening or removing the plug. Regular inspection during winterization or maintenance is recommended.
Is this part made of plastic or metal?
This drain plug is made from high-quality, marine-grade Nylon PA66 plastic. This material is specifically chosen for its excellent resistance to corrosion, heat, and vibration in a marine environment, offering a durable alternative to metal plugs that can seize or corrode.
Can I reuse the old O-ring or gasket?
It is always recommended to use a new O-ring or sealing washer if your application requires one. However, this specific plug design typically seals on the threads. Always check for leaks after installation.
Do I need a special tool for installation?
No special tools are required. A standard wrench or socket that fits the plug's head is sufficient for installation. Be careful not to overtighten.
How often should this part be replaced?
There is no fixed replacement interval. We recommend inspecting the drain plugs during annual servicing or winterization and replacing them if they show any signs of wear, degradation, or leaking.
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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