Exhaust Manifold Gasket Set 

Additional Details:

• For: 250 (4.1L) CID eng.; 165 hp s/n 2770032 & Up

Interchanges/Replaces

Barr

• MC47-27-46401A1

GLM

• 39270

Mallory

• 9-61404

Mercruiser Stern Drive

• 27-46401A1

List of Containing Parts

Sierra Item #	OE/Competitor #	Quantity	Description	Image	Comments
18-0353	Barr MC47-27-58764 GLM 30510 Mallory 9-61005 Mercruiser Stern Drive 27-58764 Osco 58764	1	Carburetor Mounting Gasket		N/A
18-0356	GLM 31660 Mallory 9-61007 Mercruiser Stern Drive 27-32910 27-64692	1	Carburetor Mounting Gasket		N/A
18-2831	Barr MC472747590 GLM 31430 Mallory 9-60012 Mercruiser Stern Drive 27-47590 27-475901 27-47590B1	1	Thermostat Cover Gasket		N/A
18-2833	Barr MC472799777 GLM 31520 Mallory 9-61407 Mercruiser Stern Drive 27-52076 27-99777 27-997771 27-997772 27-99777B2 Osco 52076	1	Exhaust Elbow Gasket		N/A
18-0928-1	Barr MC472773814 GLM 30920 Mercruiser Stern Drive 27-73814 27-738141 27-807218	1	Gasket, Manifold End Cap		N/A
18-2832-1	Barr MC47-27-48043 GLM 31490 Mallory 9-61424 Mercruiser Stern Drive 27-48043 27-480431 Osco 48043	2	Manifold End Cap Gasket
18-2830-1	Barr MC47-27-46401 GLM 31440 Mallory 9-61416 Mercruiser Stern Drive 27-33121 27-46401 27-52584 879036 OMC Stern Drive 907932 Osco CY6-GH	1	Exhaust Manifold Gasket		N/A
NSS	Mercruiser Stern Drive 27-52945	1	Gasket, Carburetor Mounting	No Image	N/A