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 V6/V8 Engines

This 90° elbow drain plug is designed for MerCruiser sterndrive and inboard engines, including 4.3L V6 and 5.0L, 5.7L, 5.8L, 6.2L, 6.3L, 6.8L, 7.4L, and 8.2L V8 models from various years. It serves as a direct replacement for multiple OEM and aftermarket part numbers.

This component is a crucial part of your engine's cooling and exhaust system, allowing for proper draining during maintenance or winterization. Made from marine-grade nylon plastic, it offers excellent resistance to corrosion and wear.

• Installation Type: 90° Elbow Thread-in
• Material: Durable Nylon PA66 Plastic
• Replaces OEM Parts: 806926A1, 862210A01

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 806926A1 / 862210A01)

Installation Guide

1. Ensure the engine is completely cool before starting.
2. Locate the existing drain plug on the exhaust manifold.
3. Place a suitable drain pan underneath the plug to catch any fluids.
4. Carefully unscrew and remove the old drain plug.
5. Allow the manifold to drain completely.
6. Clean the threads on the manifold to ensure a good seal.
7. Screw in the new 90° elbow drain plug by hand until it is snug.
8. Using a wrench, tighten the plug an additional quarter-turn. Do not overtighten.
9. Run the engine for a short period and check for any leaks around the new plug.

Troubleshooting & FAQ

Q: How do I confirm this plug fits my MerCruiser engine?

A: This plug fits a wide range of MerCruiser V6 and V8 engines. To ensure compatibility, we recommend checking the "Compatible Engine Models" table and verifying that your original part number is listed in our "Part Number Cross-Reference" table. Visually comparing your old part to our product photos is also a good practice.

Q: What is this drain plug made of?

A: It's made from marine-grade Nylon PA66 plastic, which is specifically chosen for its excellent durability and resistance to corrosion and chemicals in demanding marine environments.

Q: When should I replace my exhaust manifold drain plug?

A: Inspect your drain plugs during routine pre-season checks or winterization. You should replace them immediately if you notice any signs of cracking, material degradation, stripping, or if they are leaking. It is 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.