Quicksilver 864612T01 4.3L Dry Joint Exhaust Manifold

Quicksilver OEM MerCruiser 4.3L Dry Joint Exhaust Manifold 864612T01

This OEM Mercruiser 4.3L exhaust manifold is for GM V6 engines made from 2022 to the present. Dry joint manifolds essentially prevent water from entering the cylinders if there is a gasket failure. Water is transferred from the manifold to the riser externally. 

Application Info:

• MerCruiser 4.3L Carb Alpha/Bravo 0M615000 & Up
• MerCruiser 4.3L MPI Alpha/Bravo 0M615000 & Up

Specification

• Replacement manifold is for select MerCruiser sterndrive and inboard engines with dry join exhaust systems
• Manifold is for port or starboard side of the engine
• Cast iron manifold is coated for corrosion protection on internal coolant passages and exterior finish
• Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive

Use With:

• 27-864547A02 Open Elbow Gasket
• 27-864549A02 Closed Elbow Gasket
• 27-864850A02 Restricted Elbow Gasket

Interchange:

• Sierra 18-1842

Frequently Asked Questions

What is the Quicksilver OEM MerCruiser 4.3L Dry Joint Exhaust Manifold 864612T01 used for?

The Quicksilver OEM MerCruiser 4.3L Dry Joint Exhaust Manifold 864612T01 is a replacement manifold for select MerCruiser 4.3L sterndrive and inboard engines with dry joint exhaust systems. It is designed for port or starboard engine installation and is made of coated cast iron.

What MerCruiser engines does the Quicksilver 864612T01 exhaust manifold fit?

The 864612T01 is listed for MerCruiser 4.3L Carb Alpha/Bravo and 4.3L MPI Alpha/Bravo engines with serial numbers 0M615000 and up. Verify your engine's application and serial number before purchasing or installing the manifold.

Is the Quicksilver 864612T01 exhaust manifold for the port or starboard side?

Yes. The replacement manifold is designed for use on either the port or starboard side of the engine. Confirm the application information for your specific MerCruiser engine before installation.

What is a dry joint exhaust manifold used for on a MerCruiser engine?

The dry joint design transfers water from the manifold to the riser externally. According to the product description, this design essentially prevents water from entering the cylinders if a gasket failure occurs.

What is the Quicksilver 864612T01 exhaust manifold made of?

The manifold is made of cast iron and is coated for corrosion protection on the internal coolant passages and exterior finish. It is produced to meet Mercury Marine original equipment manufacturer specifications.

What gaskets are used with the Quicksilver 864612T01 manifold?

The 864612T01 is listed for use with 27-864547A02 open elbow gasket, 27-864549A02 closed elbow gasket, and 27-864850A02 restricted elbow gasket. Verify which gasket configuration applies to your exhaust system before installation.

Does the Quicksilver 864612T01 replace the Sierra 18-1842?

Yes. The product description lists Sierra 18-1842 as an interchangeable part number for the Quicksilver 864612T01 exhaust manifold. Verify the listed application and your existing part number before selecting a replacement.

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