Exhaust Manifold 90° Drain Elbow – Fits MerCruiser V6 & V8 (Replaces 22-862210A01, 806926A1)
Exhaust Manifold 90° Drain Elbow – Fits MerCruiser V6 & V8 (Replaces 22-862210A01, 806926A1) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Free standard shipping on all orders under 1 KG
Exhaust Manifold 90° Drain Elbow – Fits MerCruiser V6 & V8 (Rep...
Product Details
This aftermarket Exhaust Manifold 90° Drain Elbow is a critical component for draining MerCruiser sterndrive and inboard marine engines from the 1990s to the present. It is designed to fit 4.3L to 8.2L V6 & V8 engines equipped with center-rise exhaust manifolds.
It serves as a direct replacement for multiple OEM and aftermarket part numbers, including Mercury 862210A01, MerCruiser 22-862210A01, and Sierra 18-4224.
- Threaded installation with a 3/4" NPT connection.
- Constructed from durable, marine-grade Nylon PA66 plastic.
- Used specifically on center-rise exhaust manifolds.
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.
Fits a wide range of MerCruiser V6 and V8 engines (4.3L–8.2L) with center-rise exhaust manifolds.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| MerCruiser | 4.3L V6 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 5.0L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 5.7L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 5.8L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 6.2L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 6.3L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 6.8L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 7.4L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
| MerCruiser | 8.2L V8 | Various | 4-Stroke | 22-862210A01 | Center-rise manifolds only |
Technical Specs
- Product Type
- Exhaust Manifold Drain Elbow
- Installation
- Threaded
- Fuel Type
- Gasoline
- Connection
- 3/4" NPT (National Pipe Thread)
- Housing Material
- Marine-grade Nylon PA66 Plastic (Aftermarket)
- Housing Color
- Black (Aftermarket)
- Fitting Type
- 90° Elbow with Drain Plug
- Thread Size
- 3/4" NPT
- Other Technical Attributes
- Used on center-rise exhaust manifolds
What’s in the Box
- 2 x Drain Elbow Kits (equivalent to 806926A1)
Installation Notes
- Ensure the engine is completely cool before starting.
- Locate the existing drain elbow on the bottom of the center-rise exhaust manifold.
- Place a suitable container underneath to catch any residual coolant or water.
- Carefully unscrew and remove the old drain elbow.
- Clean the threads on the manifold to ensure a clean sealing surface.
- Apply a suitable thread sealant to the new elbow's threads.
- Screw the new drain elbow into the manifold and tighten securely, but do not overtighten.
- Install and tighten the drain plug on the new elbow.
- Run the engine and check for any leaks around the new fitting.
Troubleshooting & FAQ
How do I know if this elbow fits my engine?
This elbow fits most MerCruiser V6 and V8 engines (4.3L-8.2L) from the 1990s onward that use a center-rise exhaust manifold. Please check the compatibility table and part numbers to be certain. The key is the center-rise manifold design.
What's the difference between this plastic version and the original metal OEM part?
The original OEM part is typically stainless steel, while this aftermarket version is made from marine-grade PA66 nylon plastic. This material is chosen for its excellent corrosion resistance in marine environments, durability, and value.
When should I replace my exhaust manifold drain elbow?
Replace the elbow if you notice any cracks, leaks, or difficulty using the drain plug. It's good practice to inspect it during routine winterization or exhaust manifold service and replace it preventatively if it shows signs of age or material degradation.
What are the signs of a failing drain elbow?
Common signs include visible water drips or coolant leaks from the elbow or plug, cracks in the housing, or stripping of the threads, which can lead to water in the bilge.
Is a sealant required for installation?
Yes, it is highly recommended to use a thread sealant suitable for marine applications on the 3/4" NPT threads to ensure a leak-proof seal.
Why is my new elbow black plastic instead of metal like the old one?
You have purchased an aftermarket replacement. Aftermarket manufacturers often use high-quality, corrosion-proof materials like marine-grade nylon plastic as an alternative to the OEM stainless steel. This provides comparable performance and longevity in both saltwater and freshwater environments.
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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