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Sierra Manifolds/Risers/Elbows

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Sierra 18-0720 GASKET DRY/J MERC#27-864549A02

DescriptionClosed
ReplacesMercruiser 27-864549A02
$59.99 $44.78

Sierra 18-0721 GASKET DRYJNT MCS#27-864547A02

DescriptionOpen
ReplacesMercruiser 27-864547A02
$61.29 $45.84

Sierra 18-0722 GASKET DRYJNT MCS#27-864850A02

DescriptionRestricted
ReplacesMercruiser 27-864850A02
$63.99 $47.94

Sierra 18-1843 EXH MANIFOLD MCS#865735A02

ReplacesMercruiser 865735A02
ApplicationExhaust Manifold (Dry Joint) 305 350 377 5.0L 5.7L 6.2L(2002 and Newer
$430.29 $322.76

Sierra 18-1845 EXH ELBOW DRYJNT MC#864591T02

ReplacesMercruiser 864591T02 (Dry Joint)
$361.99 $271.40

Sierra 18-1848 MANIFOLD-GM 4.3L V6 VP#3857656

ReplacesVolvo 3857656 8847499
Application4.3L V6
$365.29 $273.65

Sierra 18-1876 RISER

ReplacesOMC Sterndrive/Cobra
$131.99 $90.99

Sierra 18-1898 MANIFOLD

ReplacesBarr# CHVA-1-84
Marine Power 0991-110
ApplicationPort & Starboard Universal Center Riser Manifold
Fits 454 cid GM big block V8
$343.99 $257.83

Sierra 18-1899 ELBOW-EXH 3IN PCM# RO29001

ReplacesPleasurecraft RO29001
$247.99 $172.74

Sierra 18-1901 MANIFOLD-3.0L OM#982490/984054

ReplacesOMC Sterndrive/Cobra 984054
Application181 CID model 140 and 3.0L ('73-'89).
Use with exhaust elbow gasket 1204
$737.99 $615.58

Sierra 18-1902 MANIFOLDSTB-OM#912441

ReplacesOMC Sterndrive/Cobra 912441
ApplicationV8 Starboard Side - most GM V8 small blocks with end riser.
Uses mounting kit 8502
$276.99 $207.84

Sierra 18-1903 MANIFOLDPORT-OM#912442

ReplacesOMC Sterndrive/Cobra 912442
ApplicationV8 Port Side - most GM V8 small blocks with end riser.
Uses mounting kit 8502
$301.29 $212.14

Sierra 18-1906 SPACER3 -REPL NLA MC#61851A 1

ReplacesMercruiser 61851A1
Application3" spacer Mercruiser stern drives for 1950 1951 1958 & 1962 manifolds
$143.99 $100.61

Sierra 18-1907 MANIFOLD RISER

ReplacesChris-Craft Chrysler I/B Crusader Pleasurecraft Mercruiser OMC Sterndrive/Cobra Volvo Replaces Barr 20-0102 Indmar 53-2009 and 53-2018
$186.99 $133.48

Sierra 18-1908 RISER SPACER-3IN MARINE PWR CR

ApplicationMercruiser GM V6 229 and 262 CID (models 185 and 205) GM small block V8 305-350 CID (models 200 228 230 260 and 898) GM big block V8 454 CID (models 330 340 and 7.4L). Use with manifold 19521 19531 19571
$148.99 $111.43

Sierra 18-1909-1 ELBOW EXH-OMC/VP#3855270-9

ReplacesOMC Sterndrive/Cobra 913784 3855270 3850456 3857944 and Volvo 3855270-9 3857944-7 3863061
$276.99 $207.51

Sierra 18-1916 RISER CRUSADER OE# 97169

ReplacesCrusader 97169
$228.99 $161.73

Sierra 18-1917 MANIFOLD PLATE BLOCK OFF

ReplacesCrusader 97296
ApplicationCrusader Stainless steel - small block V8 305-350 cid (models 220 & 270) GM big block V8 454 cid (models CH350 & 454XL). Use with gasket 0309 0305
$20.99 $15.09

Sierra 18-1918 MANIFOLD ELBOW

ReplacesCrusader 97386
$200.99 $150.46

Sierra 18-1921 ELBOW EXH. OM#909863

ReplacesOMC Sterndrive Cobra 909863
$225.99 $169.09

Sierra 18-1922 ELBOW-EXH OM# 987784

ReplacesOMC Sterndrive Cobra 987784
$273.99 $200.89

Sierra 18-1924 ELBOW CRUSADER OE# 97624

ReplacesCrusader 97624
$135.99 $101.91

Sierra 18-1925 MANIFOLD CRUSADER

ReplacesCrusader 97752 96120
ApplicationStarboard - GM small block V8 305-350 cid (models 220 & 270).
Use with gasket 2949 mounting kit 8521
$326.29 $236.44

Sierra 18-1926 MANIFOLD CRUSADER

ReplacesCrusader 97753 96121
ApplicationPort - GM small block V8 305-350 cid (models 220 & 270).
Use with gasket 2949 mounting kit 8521 or 8522 (if manifold has alternator bracket)
$326.29 $236.44

Sierra 18-1927 RISER-EXH CRUSADER# 97772

ReplacesCrusader 97772
$258.99 $195.61

Sierra 18-1928 ELBOW-EXH 4IN CRUSADER# 97924

ReplacesCrusader 97924
$234.99 $186.30

Sierra 18-1929 MANIFOLD

ReplacesCrusader 97992 97114
ApplicationStarboard GM big block V8 454 cid (models CH350 & 454XL).
Use with gasket 0418 mounting kit 8524
$386.99 $289.96

Sierra 18-1930-2 MANIFOLD- 4CYL VP#834438-4

ReplacesSierra 18-1930-1 Volvo 855387 834438
OSCO VO418 Mallory 9-40900 Barr VO-1-855387
ApplicationAQ120 125A 131A 140A 145A 145A 151 BB140A 154A 230A 250A.
Includes mounting gaskets and drain plug.
$426.29 $319.58

Sierra 18-1931-1 MANIFOLD-GM 5.0-5.7L VP#856883

ReplacesVolvo 835804 856883
ApplicationPort & Starboard AQ200D 200F 225D 225E 225F 255B 260A 271A 280A 290A
311A AQ500 570 BB225 225AV 225B 260A 260AV 260B 260C (mounting package included).
Uses mounting kit 8511
$313.99 $265.29

Sierra 18-1932 MANIFOLD-GM 4.3L V6 VP#856894

ReplacesVolvo 856894
ApplicationPort & Starboard 4.3L AQ175 AQ430 AQ431A AQ431B AQ432 AQ434.
Uses manifold gasket 2909
$328.29 $239.29

Sierra 18-1933 MANIFOLD

ReplacesCrusader 97993 97115
ApplicationPort GM big block V8 454 cid (models CH350 & 454XL).
Use with gasket 0418 mounting kit 8524
$386.99 $289.96

Sierra 18-1934 ELBOW-EXH 3IN CRUSADER# 98068

ReplacesCrusader 98068
$246.99 $175.55

Sierra 18-1935-1 ELBOW EXH-VP#855384-4 & 856891

ReplacesVolvo 855384-4 856891
$157.29 $141.99

Sierra 18-1936 ELBOW EXH - VP#857037

ReplacesVolvo 857037
$182.99 $147.29

Sierra 18-19360 MOUNTING KIT

ApplicationVolvo Mounting Kit. Use with riser 1936
$22.49 $21.43

Sierra 18-1939 ELBOW EXH - BARR#20-0100

ReplacesBarr 20-0100 Marine Power 0992-593
$202.99 $151.53

Sierra 18-1940 MANIFOLD EXH CHRYSLER 3675826

ReplacesChrylser I/B 4142322 3675826
ApplicationPort & Starboard. Models 273318 340 360 cid ('73-'86).
Use with gasket 2941 open or 0472 blocked mounting kit 4360
open or 4361 closed end plate 1942 open or 1941 blocked
$326.99 $299.24

Sierra 18-1941 PLATE END CAP CHRYSLER 2846106

ReplacesChrylser I/B 2846106
ApplicationChrylser I/B - use with gasket 2941 open or 0471 blocked mounting kit 4360 4362 open or 8506 blocked
$94.49 $70.76

Sierra 18-1946 ELB CHRY 3 20DEG 3527794

ReplacesChrysler I/B 3527794
$182.99 $136.58

Sierra 18-1949 RISER SPACER

Replaces-
ApplicationChris-Craft Crusader Universal Mercruiser & Volvo. Barr Indmar and Marine Power Ford small block V8 302-351 cid GM small block V8 305-350 cid GM big block C8 454 cid. Use with manifold 19981 19971 1898
$149.99 $112.18