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Manifolds (Sierra)

18-1843 - EXHAUST MANIFOLD, DRY JOINT, V8 SMALL BLOCK GM

Replaces: Mercruiser 865735A02
Application: Exhaust Manifold (Dry Joint) 305, 350, 377, 5.0L, 5.7L, 6.2L(2002 and Newer

18-1848 - MANIFOLD

Replaces: Volvo 3857656, 8847499
Application: 4.3L V6

18-1902 - MANIFOLD, STARBOARD, 912441

Replaces: OMC Sterndrive/Cobra 912441
Application: V8 Starboard Side - most GM V8 small blocks with end riser.
Uses mounting kit 8502

18-1903 - MANIFOLD, PORT, 912442

Replaces: OMC Sterndrive/Cobra 912442
Application: V8 Port Side - most GM V8 small blocks with end riser.
Uses mounting kit 8502

18-1929 - MANIFOLD

Replaces: Crusader 97992, 97114
Application: Starboard, GM big block V8, 454 cid (models CH350 & 454XL).
Use with gasket 0418, mounting kit 8524

18-1932 - MANIFOLD, 856894

Replaces: Volvo 856894
Application: Port & Starboard, 4.3L AQ175, AQ430, AQ431A, AQ431B, AQ432, AQ434.
Uses manifold gasket 2909

18-1952-1 - MANIFOLD (31 #)

Replaces: Mercruiser 99746A8, A17
Application: Port & Starboard - most 4.3L, 262 CID V6 applications (mounting package included).
Uses mounting kit 8533

18-1953-2 - MERCRUISER EXHAUST MANIFOLD, SMALL BLOCK PORT OR STARBOARD

Replaces: Marine Power 0994-100
Application: Center-Rise Port & Starboard fits most Marine Power GM 5.0L, 5.7L & 6.2L V-8 Enpac models (gaskets included).
Use mounting kit 8520

18-1956-3 - EXHAUST MANIFOLD

Replaces: Mercruiser 860235A04, 99798A3, 99798A9,
99798A16, 99798A18, 806867A8
Application: 2.5 & 3.0L (1983-89)

18-1957-2 - MANIFOLD, 89011A8

Replaces: Marine Power 0991-100
Application: Port & Starboard center rise with gaskets, most Marine Power GM 7.4 L - 8.2L, V8 big blocks & others.
Use gasket 0418 and mounting kit 8532

18-1966-1 - EXHAUST MANIFOLD, 3.0L, 860235A03

Replaces: Mercury 860235A03
Application: 3.0L/LX (1990 & Newer); Marine Power Engine Model E181S

18-1997-1 - MANIFOLD, CHV-1-83

Replaces: Barr# CHV-1-83
Application: Port & Starboard, Universal center riser manifold. Fits Chris-Craft 283, 305, 307 and 350 CID engines.
Crusader 283 and 327 CID engines (up to '64) and 305, 307 and 350 CID engines ('65 & Newer).
Mercury 190, 198, 225, 250, 270, 228, 898, 260, 255 and 280 models.
OMC 283, 305, 307 and 350 CID engines ('68-'80). Volvo 307 and 350 CID engines.

18-1998-1 - MANIFOLD, CENTER RISER FORD 302 AND 351 CID

Replaces: Barr# FM-1-83
Application: Port & Starboard universal center riser manifold.
Fits Ford, Crusader, Mercury, OMC and Pleasurecraft 302 and 351 CID engines.