• Free shipping

  • Free help & advice

  • Hassle-free returns

  • Factory direct prices

Flash Sale now on!

FLASHSALE25

Reed Block Housing Gasket – Fits Mercury (Replaces Mercury 27-96761, 27-967611)

Sale price $5.99 Regular price $9.00
Shipping calculated at checkout.

Reed Block Housing Gasket – Fits Mercury (Replaces Mercury 27-96761, 27-967611) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This Reed Block Housing Gasket is engineered for a precise fit on Mercury/Mariner 200 hp 2-Stroke V-6 engines from 1978–1988 and various Mercury Race Outboard models, including the MOD-VP, SST-140 Carburetor, and 2.4L Carbureted series.

It serves as a direct interchange for Sierra part number 18-2510 and GLM 32450, ensuring reliable performance and sealing.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
Mercury 27-96761
Mercury 27-967611
Sierra 18-2510
GLM 32450

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Mercury/Mariner models: Ensure the serial number falls within the specified ranges for a precise fit.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury/Mariner V-200 200 2-Stroke 1978–1988 27-967611 Fits combined book series: 5624878 THRU 0C100860 and 0C100861 THRU 0C291519
Mercury MOD-VP 2-Stroke 27-967611
Mercury SST-140 (Carburetor) 2-Stroke 27-967611
Mercury/Mariner 2.4L (Carb) 2-Stroke 0C175045 and Up 27-967611

Technical Specs

Product Type
Gasket
Dimensions
Length: 1.25 in; Width: 7.0 in; Height: 14.0 in
Weight
0.027 kg (0.06 lbs)
Warranty
1 Year (RCR Brand)
Other Technical Attributes
Gasket, Reed Block Housing

What’s in the Box

  • 1 x Reed Block Housing Gasket

Installation Notes

  1. Ensure the engine is off and cool, and disconnect the battery before starting.
  2. Relieve any pressure from the fuel system as per your engine's service manual.
  3. Remove the intake manifold or reed block assembly to access the gasket area.
  4. Thoroughly clean both mating surfaces, ensuring they are free of old gasket material, sealant, and debris.
  5. Carefully position the new gasket, aligning it with all passages and bolt holes.
  6. Reinstall the components and tighten all fasteners to the manufacturer’s recommended torque specifications.
  7. Reconnect the battery, start the engine, and inspect for any fuel or air leaks.

Troubleshooting & FAQ

How do I know if my reed block housing gasket has failed?

Signs of a failed reed block housing gasket include poor engine idling, difficulty starting, backfiring through the carburetor, or a noticeable loss of power. These symptoms are often caused by an air leak (vacuum leak) at the gasket seal.

Is any sealant needed when installing this gasket?

Generally, these gaskets are designed to be installed dry. However, always refer to your engine's specific service manual. Some mechanics apply a very light coat of gasket dressing or sealant, but overuse can block reed valves or fuel passages.

How often should this gasket be replaced?

This gasket should be replaced whenever the reed block housing is removed for service or inspection. It is a single-use component and will likely not seal properly if reused.

What is the difference between OEM and this aftermarket part?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for consistency and quality.

How fast is shipping?

We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

What is the warranty and return policy?

This part is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact our support with your order details. Returns are accepted within our standard window for unused items 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.

Payment & Security

Payment methods

    Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

    Customer Reviews

    Be the first to write a review
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    0%
    (0)