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Carburetor Repair Kit - Fits Mercury/MerCruiser Rochester 2BBL (Replaces 1397-6367A1)

Sale price $43.95 Regular price $70.00
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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 Carburetor Repair Kit – Fits Mercury/MerCruiser Rochester 2BBL (Replaces 1397-6367A1) is specifically designed for MerCruiser 224/3.7L engines that use a Rochester 2-barrel carburetor, covering models manufactured from 1976 to 1989.

It serves as a direct replacement component, providing an interchange for Mercury/MerCruiser 1397-6367A1, Sierra 18-7076, and WSM 600-246.

  • Installs as a direct replacement for the original components.
  • Engineered for use with gasoline-fueled marine engines.
  • Contains essential gaskets and seals for a standard carburetor service.

Part Number Matrix

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

Brand Part Number
Mercury/MerCruiser 1397-6367A1
Sierra 18-7076
WSM 600-246

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand Model Stroke Years OEM Part No. Notes
MerCruiser 224/3.7L 4-Stroke 1976–1989 1397-6367A1 Rochester 2BBL carburetor

Technical Specs

Product Type
Carburetor Repair Kit
Installation
Direct Replacement
Fuel Type
Gasoline
Other Technical Attributes
Designed for Rochester 2-barrel carburetors
Dimensions
22.0" L x 18.0" W x 3.0" H

What’s in the Box

  • Carburetor Gaskets and Seals

Installation Notes

  1. Disconnect the vessel's battery and shut off the fuel supply line before beginning.
  2. Carefully label and disconnect all fuel lines, vacuum hoses, and mechanical linkages from the carburetor.
  3. Remove the carburetor from the engine's intake manifold.
  4. On a clean, organized workbench, disassemble the carburetor. Pay close attention to the order and orientation of all small parts.
  5. Thoroughly clean all metal components with a quality carburetor cleaner; do not soak any rubber or plastic parts in the solvent.
  6. Carefully remove old gaskets and seals, then replace them with the new components from this kit.
  7. Reassemble the carburetor, ensuring all jets, needles, and screws are correctly seated and torqued.
  8. Reinstall the carburetor onto the intake manifold and reconnect all hoses and linkages.
  9. Reconnect the battery, restore the fuel supply, and carefully check for any leaks before starting the engine.

Troubleshooting & FAQ

How can I confirm this kit fits my specific engine?

This kit is for MerCruiser 224/3.7L engines from 1976–1989 that are equipped with a Rochester 2-barrel (2BBL) carburetor. Please verify your carburetor type before ordering.

What are the common signs that a carburetor rebuild is needed?

Symptoms include difficulty starting, rough idling, engine stalling, black smoke from the exhaust, hesitation on acceleration, or visible fuel leaks from the carburetor body.

Does this kit contain every part needed for a rebuild?

This is a standard repair kit containing the essential gaskets and seals for a typical service. It may not include hard parts like floats, jets, or throttle shafts, which should be inspected and replaced separately if worn.

How often should a marine carburetor be serviced or rebuilt?

Service intervals depend on usage, fuel quality, and storage conditions. It is good practice to perform a rebuild if performance degrades or every 3-5 years as preventative maintenance, especially in saltwater 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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