Page 814 - 2021 Sierra Catalog

18-1966-1
MANIFOLD
Replaces: 806867A2, 806867A3, 806867A8, 806867A9, 806867A12, 816329A3,
860235A03, 99798A18
Fits: 3.0L/LX (1990 & Newer); Marine Power Engine Model E181S
18-1843
EXHAUST MANIFOLD (DRY JOINT) Replaces: 865735A02, 865049T01, 864308T01 Fits: 305, 350, 377, 5.0L, 5.7L, 6.2L(2002 and Newer)
Use with:
Manifold Gasket: 18-2949
Elbow Gaskets: 18-0720, 18-0721 or
18-0722
Elbow: 18-1845
18-1842
V6 DRY JOINT EXHAUST MANIFOLD Replaces: 864612T01
Fits: 4.3L Alpha/Bravo (2002 and Newer without Engine Catalyst)
Use with:
Dry Joint Elbow Gaskets: 18-0720, 18-0721 or 18- 0722
18-1999 ELBOW
Replaces: Barr 20-0082
Fits: 3” I.D. exhaust hose.
Comes with 18-4364 open Mounting Package Use with:
Manifold: 18-1997-1 or 18-1998-1 or 18-1898
Riser Gasket: 18-2854-1 open or 18-0476-1 blocked
Mounting Kit: 18-4364 open or 18-8535 blocked
18-1970-2*
ELBOW
Replaces: Mercruiser 98504A3, 98503A2, 95755A2
Marine Power 0992-115, Barr MC-20-98504 Fits: V-6 & V-8 applications, 15° (3" O.D. Riser) Comes with 18-0897 & brass plugs
Use with:
Manifold: 18-1952-1, 18-1953-2, 18-1957-2 Elbow Gasket: 18-0897 restrictor, 18-2849-1
open, 18-0672 blocked Mounting Kit: 18-8529
18-1971*
ELBOW
Replaces: Mercruiser 76351A2, 76351A1, 76351A04, 60426A1, 49964A1, 49964A2
Marine Power 0993-001
Fits: Most early model Mercruiser 140 HP (4 cyl) applications
Replaces: Barr MC20-60426P
Use with:
Manifold: 18-1960-1, 18-1958-1, 18-1950-1 Elbow Gasket: 18-2833
Mounting Kit: 18-4362
18-1992-1
EXHAUST ADAPTER Replaces: Barr 200087P For: 3" I.D. Exhaust Hose
(As used in 18-1987 Exhaust Manifold Conversion Kit)
80°
18-1972*
ELBOW
Replaces: 76325A2, 12076A2
Barr MC-20-76325
Fits: Most late Model 120, 140 HP Mercruiser applications
Use with:
Manifold: 18-1955-1, 18-1954-1,
18-1956-3, 18-1901 Elbow Gasket: 18-2833 Mounting Kit: 18-8552
18-1973*
ELBOW
Replaces: 39920, 39920A1, 55538A2
Barr MC-20-55538
Fits: Most early Model 120 HP Mercruiser applications
18-1991
ELBOW ADAPTER Replaces: Barr 200089P For: Use with 3" I.D. Exhaust Hose Use with:
Manifold Riser: 18-1999
30°
18-1978
ELBOW
Replaces: 76771A3, A2, 60427A2, 53779A2, 53779A1
Barr MC-20-76771
V-8 Inboard Applications Only
Use with:
Manifold: 18-1950-1, 18-1951-1, 18-1958-1, 18-1962-1
Elbow Gasket: 18-2833 Mounting Kit: 18-4362
* SEE APPLICATION CHART ON PAGES 801-802 FOR SPECIFIC MODELS
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I/O — MERCRUISER - Cooling System