Sierra 18-2909-9 Exhaust Manifold Gasket for GM V6 229 & 262 cu.in Manifold 18-1952-1, Pack of 2

The Sierra 18-2909-9 Exhaust Manifold Gasket is the gasket specified for Sierra exhaust manifold 18-1952-1, used on GM V6 229 and 262 cubic inch engines in Models 185 and 205 (Port and Starboard). This gasket is also included as part of the 18-8533 mounting kit for that manifold. Each package contains 2 gaskets, giving you enough for a full manifold gasket replacement in one purchase.

This gasket forms the seal between the exhaust manifold and the engine block, and proper fit and sealing are critical to preventing exhaust leaks and cooling system issues in your MerCruiser stern drive application. Sierra states that each of its products meets or exceeds the original equipment part it replaces, giving boat owners a dependable option when servicing the cooling and exhaust system.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-2909-9
• Product Type: Exhaust Manifold Gasket
• Package Quantity: 2 gaskets
• Weight: 0.22 pounds
• Color: Grey
• UPC: 808282164126
• Fits Manifold: 18-1952-1
• Application: GM V6 229 & 262 cu.in, Models 185 & 205 (Port & Starboard)

Fitment

• GM V6 229 & 262 cu.in engines
• Models 185 & 205 (Port & Starboard)
• Fits Sierra manifold 18-1952-1
• Included in Sierra mounting kit 18-8533

Replaces (OEM)

• Barr MC47-27-99757
• Crusader 97498
• GLM 32170
• Mallory 9-61421
• Mercruiser Stern Drive 27-99757
• OMC Stern Drive 3853412
• OMC Stern Drive 901157
• OMC Stern Drive 915025
• Osco CS-GH
• Volvo Penta 3853412
• Volvo Penta 856116
• Yamaha Stern Drive YSC-12190-00-AC

Frequently Asked Questions

What manifold does the Sierra 18-2909-9 gasket fit? The Sierra 18-2909-9 Exhaust Manifold Gasket is the gasket specified for Sierra manifold 18-1952-1, which is used on GM V6 229 and 262 cubic inch engines in Models 185 and 205, Port and Starboard.

How many gaskets come in one package? Each package of the Sierra 18-2909-9 contains 2 exhaust manifold gaskets.

Does this gasket fit both port and starboard manifolds? Yes, the 18-2909-9 is the gasket used for manifold 18-1952-1 on both the Port and Starboard sides.

What is the OEM equivalent of the Sierra 18-2909-9 gasket? It cross-references to Barr MC47-27-99757, Crusader 97498, GLM 32170, Mallory 9-61421, Mercruiser Stern Drive 27-99757, OMC Stern Drive 3853412, 901157 and 915025, Osco CS-GH, Volvo Penta 3853412 and 856116, and Yamaha Stern Drive YSC-12190-00-AC.

What color is the Sierra 18-2909-9 gasket? The Sierra 18-2909-9 Exhaust Manifold Gasket is grey.

How much does the Sierra 18-2909-9 gasket weigh? The Sierra 18-2909-9 Exhaust Manifold Gasket weighs 0.22 pounds per package.

Is the 18-2909-9 gasket included with a manifold mounting kit? Yes, this gasket is included as part of Sierra mounting kit 18-8533, which is used to mount manifold 18-1952-1.

What engines is the 18-2909-9 gasket designed for? It is designed for GM V6 229 and 262 cubic inch engines, specifically Models 185 and 205, Port and Starboard.

Is the Sierra 18-2909-9 a genuine Sierra part or aftermarket? The 18-2909-9 is a genuine Sierra International part, and Sierra states each of its products meets or exceeds the original equipment part it replaces.

Can I use the 18-2909-9 gasket to replace a Mercruiser 27-99757 gasket? Yes, the Sierra 18-2909-9 cross-references directly to Mercruiser Stern Drive part 27-99757.

What is included in the box with this gasket? The package includes 2 Sierra 18-2909-9 exhaust manifold gaskets.