Sierra Manifold V6 Dry Joint Exhaust

Sierra 18-1842 MerCruiser V6 Dry Join Exhaust Manifold

The Sierra V6 Dry Join Exhaust Manifold helps ensure water does not enter the cylinders in the case of a gasket failure. Water is transferred from the manifold to the riser externally. Can be used with the OE riser.

Features:

Fits: GM V6 (262cid) engines 2002 and newer

Dry Joint Style

Includes all the necessary gaskets and hardware for easy installation.

Primed and painted for added durability and protection.

Components are ready to install out-of-the-box.

Backed by Sierra's comprehensive warranty.

Fits:

MerCruiser (2002 & Newer)

4.3L CARB Alpha/Bravo 0M615000 - Up

4.3L MPI Alpha/Bravo 0M61500 - Up

Interchangeable With:

MerCruiser Stern Drive

864612T01

Barr

MC 1 864612

GLM

51227

HGE

4612

Includes:

Exhaust Manifold Gasket 18-2909-9

Bolt

Use With:

Exhaust Elbow: 18-1845

Riser Gasket (Closed): 18-0720

Riser Gasket (Open)" 18-0721

Riser Gasket (Restricted): 18-0722

Frequently Asked Questions

• What is the Sierra 18-1842 MerCruiser V6 Dry Join Exhaust Manifold designed to do? The Sierra 18-1842 MerCruiser V6 Dry Join Exhaust Manifold is designed to help prevent water from entering the cylinders if a gasket fails. With the dry joint design, water transfers from the manifold to the riser externally. The manifold can also be used with the original equipment (OE) riser.
• What engines does the Sierra 18-1842 exhaust manifold fit? The Sierra 18-1842 fits GM V6 262 cubic-inch engines from 2002 and newer. Listed MerCruiser applications include 4.3L CARB Alpha/Bravo engines with serial numbers 0M615000 and up, and 4.3L MPI Alpha/Bravo engines with serial numbers 0M61500 and up.
• What does the Sierra 18-1842 Dry Join Exhaust Manifold include? The Sierra 18-1842 includes an exhaust manifold gasket, part number 18-2909-9, and bolts. The product description states that the manifold includes the necessary gaskets and hardware for installation, and that its components are ready to install out of the box.
• What type of exhaust manifold is the Sierra 18-1842? The Sierra 18-1842 is a Dry Joint Style exhaust manifold. Its design transfers water from the manifold to the riser externally, helping prevent water from entering the cylinders in the event of a gasket failure.
• What components can be used with the Sierra 18-1842 exhaust manifold? The Sierra 18-1842 can be used with the Sierra 18-1845 MerCruiser V6/V8 Dry Joint Exhaust Elbow and the 18-0720 closed riser gasket, 18-0721 open elbow gasket, or 18-0722 restricted riser gasket. The description also states that the manifold can be used with the OE riser.
• What MerCruiser part number is interchangeable with the Sierra 18-1842? The Sierra 18-1842 is interchangeable with MerCruiser Stern Drive 864612T01. Other listed interchangeable numbers are Barr MC 1 864612, GLM 51227, and HGE 4612. Verify the part number and engine application before installation to ensure the replacement is appropriate for your specific equipment.