Mercury XL Midsection Housing with Adapter Plate | OEM 9099A2 | Fits 1983–1987 Mercury 250HP & 275HP Outboards

Product Overview

Replace your damaged or worn midsection with this genuine OEM Mercury XL Midsection Housing with Adapter Plate, designed for 1983–1987 Mercury 250HP and 275HP V6 outboard engines. This factory midsection assembly provides the correct structural support between the powerhead and lower unit while maintaining proper exhaust routing and engine alignment. This OEM assembly includes the driveshaft housing, exhaust adapter plate, and exhaust tube, making it an excellent replacement for damaged or corroded midsections. It has been professionally inspected and is free of cracks or structural damage. Normal cosmetic scuffs and scratches from previous use are present but do not affect performance or installation. Whether you're restoring or repairing your Mercury outboard, this genuine Mercury midsection delivers factory fit and dependable performance.

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Key Features

• Genuine OEM Mercury XL Midsection Housing Assembly
• Includes adapter plate and exhaust tube
• Fits 1983–1987 Mercury 250HP & 275HP outboards
• Professionally inspected
• No cracks or structural damage
• Factory OEM fit and finish
• Ready to install
• Ideal replacement for damaged or corroded midsections

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Technical Specifications

Specification	Details
Brand	Mercury
Product Type	XL Midsection Housing with Adapter Plate
Condition	Used – Good Condition
Driveshaft Housing Part Number	9099A2
Adapter Plate Part Number	8285A2
Exhaust Tube Part Number	88880A1
Engine Type	V6 Outboard
Horsepower	250 HP, 275 HP

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OEM Part Numbers

• 9099A2 – Driveshaft Housing / Midsection Casting
• 8285A2 – Exhaust Adapter Plate
• 88880A1 – Exhaust Tube / Exhaust Liner

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Compatible Applications

Designed for select Mercury outboards including: Model Years

• 1983
• 1984
• 1985
• 1986
• 1987

Horsepower

• 250 HP
• 275 HP

Engine Type

• Mercury V6 Outboards

Important: Always verify compatibility using your engine's serial number and OEM part numbers before purchasing. If you need assistance confirming fitment, contact EZ Boats Marine and we'll be happy to help.

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Condition

This Mercury XL Midsection Housing Assembly has been professionally inspected and is in good used condition. Inspection highlights include:

• No cracks or structural damage
• Normal cosmetic scuffs and scratches from previous use
• All major components included
• Ready for installation

Please review all product photos carefully to evaluate the cosmetic condition before purchasing.

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What's Included

Your purchase includes:

• OEM Mercury XL Driveshaft Housing / Midsection Casting (9099A2)
• OEM Exhaust Adapter Plate (8285A2)
• OEM Exhaust Tube / Exhaust Liner (88880A1)

Only the components shown in the product photos are included.

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Shipping Information

Your midsection assembly will be securely packaged to help prevent shipping damage during transit. We offer fast shipping throughout the United States, with international shipping available upon request. For an accurate shipping quote, please provide:

• Country
• ZIP or Postal Code
• Residential or Commercial Address
• Whether liftgate service is required

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Why Buy from EZ Boats Marine?

• Genuine OEM Mercury Marine Parts
• Professionally Inspected Components
• Factory Fit and Finish
• Honest Condition Descriptions
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

EZ Boats Marine is committed to supplying quality OEM marine parts backed by expert service and dependable support.

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Frequently Asked Questions

Is this a genuine Mercury part?

Yes. This is an original OEM Mercury XL Midsection Housing Assembly manufactured by Mercury Marine.

What condition is it in?

The assembly is in good used condition with no cracks or structural damage. It has normal cosmetic scuffs and scratches consistent with previous use.

Which engines does it fit?

This assembly fits select 1983–1987 Mercury 250HP and 275HP V6 outboards. Always verify compatibility using your engine's serial number and OEM part numbers before ordering.

Is it ready to install?

Yes. The assembly has been professionally inspected and is ready to install on a compatible engine.

Does it include all major components?

Yes. The listing includes the OEM driveshaft housing, exhaust adapter plate, and exhaust tube as shown in the product photos.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Mercury engine's model and serial number, and we'll confirm whether this OEM XL Midsection Housing Assembly is the correct fit before you purchase.