Exhaust Manifold 90° Elbow Drain Plug – Fits Mercury MerCruiser V6 & V8 Engines (Replaces 862210A01, 806926A1)

Exhaust Manifold 90° Elbow Drain Plug – Fits Mercury MerCruiser V6 & V8 Engines

This high-quality aftermarket drain plug is designed for a precise fit on Mercury MerCruiser V6 and V8 sterndrive and inboard engines equipped with center rise manifolds. It is compatible with a wide range of models, including 4.3L, 5.0L, 5.7L, 6.2L, 7.4L, and 8.2L engines.

Engineered to replace Mercury part numbers 862210A01 and 22-806926A1, this plug ensures reliable performance and a secure seal. It is crafted from marine-grade materials to withstand the harsh marine environment.

• Installation Type: 90° Elbow Thread-in Fitting
• Connection: 3/4" NPT Thread
• Material: Durable Nylon PA66 Plastic

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

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.

Technical Specifications

Package Contents

• 1 x Exhaust Manifold 90° Elbow Drain Plug (Replaces 862210A01/806926A1)

Installation Guide

1. Safety First: Ensure the engine is completely cool before beginning work.
2. Locate Old Plug: Identify the existing drain plug on the exhaust manifold. Place a suitable container underneath to catch any residual fluid.
3. Remove Plug: Carefully unscrew and remove the old drain plug.
4. Clean Threads: Inspect and clean the threads on the manifold, removing any old sealant or debris.
5. Install New Plug: Hand-tighten the new 90° elbow drain plug into the manifold.
6. Tighten Securely: Using an appropriate wrench, tighten the plug until it is snug. Do not overtighten, as this can damage the plastic housing or manifold threads.
7. Check for Leaks: After installation, run the engine for a few minutes and carefully check for any leaks around the new plug.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: This plug fits most MerCruiser V6 and V8 sterndrive/inboard engines with center rise manifolds. The best way to confirm is to match your old part number to our cross-reference list, which includes Mercury 862210A01, MerCruiser 806926A1, and Sierra 18-4224. Also, verify that your engine requires a 3/4" NPT thread size.

Q: What is this plug made of?
A: It is constructed from a high-quality, marine-grade Nylon PA66 plastic. This material is chosen for its excellent durability, resistance to corrosion, and ability to withstand the engine compartment's temperature fluctuations.

Q: How often should this drain plug be inspected or replaced?
A: We recommend visually inspecting the drain plug during routine maintenance or winterization. Replace it immediately if you notice any cracks, signs of leakage, or degradation of the material. It's an inexpensive part that prevents costly water damage.

Q: OEM vs. Aftermarket?
A: 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.

Q: How fast do you ship and how much does it cost?
A: 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.

Q: What is your warranty and return policy?
A: 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.