Manifold Elbow 

Key Features:

• Comes with 18-0897, 18-4203 & 18-4258
• Recommended for saltwater applications

Additional Details:

• Fits: MCM/MIE GM V-6 & V-8 with center rise outlet exhaust manifold (2002 & older)

Use With:

• 18-0672: Exhaust Elbow Gasket
• 18-0897: Exhaust Elbow Gasket
• 18-1952-1: Manifold
• 18-1953-2: Manifold
• 18-2849-1: Exhaust Elbow Gasket
• 18-1957-2: Manifold
• 18-8505: Exhaust Elbow Mounting Kit

Interchanges/Replaces

Barr

• MC-20-44354

GLM

• 51140

HGE

• 4354

Mallory

• 9-40559

Mercruiser Stern Drive

• 44354A10
• 44354A13
• 44354A3
• 44354A9
• 807914A1
• 807988A03
• 807988A2

Osco

• 4354

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0897	Barr MC 20 99208 MC47-27-41813 GLM 30240 Mallory 9-61413 Mercruiser Stern Drive 27-41813 27-860233 27-863724 Osco 8503-GR	1	Exhaust Elbow Gasket		N/A
18-8410	Mercruiser Stern Drive 10-43749	4	Riser Bolt		N/A