Sierra Marine Parts Catalog
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MOUNTING PLATE
TO DRIVESHAFT
HOUSING GASKET
Replaces: 27-39402
POWERHEAD
BASE GASKET
Replaces: 27-430075
EXHAUST
PLATE GASKET
Replaces: 27-430086
For: 70-90, 100, 115 & 125 HP
➀
BLOCK
COVER GASKET
Replaces: 27-437772
45-50 HP
PKG. OF 2
➀
BLOCK
COVER GASKET
Replaces: 27-41382
PKG. OF 2
POWERHEAD
BASE GASKET
Replaces: 27-39401
ADAPTER
PLATE GASKET
Replaces: 27-41670-3,
27-41670-5
18 HP
POWERHEAD
BASE GASKET
Replaces: 27-75909
V-6
POWERHEAD
BASE GASKET
Replaces: 27-823142,
27-823142 2
POWERHEAD
BASE GASKET
Replaces: 27-89937
4.5-9.8 HP
ADAPTER
PLATE GASKET
Replaces: 27-385011
POWERHEAD
BASE GASKET
Replaces: 27-18307-1,
27-183076
SHIFT SHAFT
COVER GASKET
Replaces: 27-880729
For:All Verado’s 135/150/175/200
225/250/275
SHIFT ROD
HOUSING GASKET
Replaces: 27-858935
For:200 HP T801000 & UP, 200 HP OPTIMAX DFI G438000 & UP, 225
HP EFI G438000 & UP, 225 HP OPTIMAX DFI G590000-G960499, 250
HP EFI G438000 & UP, (MODELS WITH "C-3 CASTING": 200 HP
OPTIMAX DFI G386496-G437999, 225 HP D280813-G437999, 225
HP EFI G129222-G437999, 250 HP EFI G129222-G437999)
POWERHEAD
BASE GASKET
Replaces: 27-60317
65 HP
POWERHEAD
BASE GASKET
Replaces: 27-796501
ADAPTER COVER
GASKET
Replaces: 27-78246,
27-78246 1
POWERHEAD
BASE GASKET
Replaces: 27-884511
DRIVESHAFT
HOUSING GASKET
Replaces: 27-433374
For: 15-25 2 cyl
EXHAUST COVER
GASKET
Replaces: 27-41499-5
For: 15-25 HP, 2 Cyl.
DRIVE SHAFT HOUSING
PLATE GASKET
Replaces: 27-661021
EXHAUST PLATE
GASKET
Replaces: 27-832933-5
For: 250XS (3.0L) DFI
EXHAUST MANIFOLD
GASKET
Replaces: 27-41475-8
For: 15-25HP 2 cyl
POWERHEAD
BASE GASKET
Replaces: 27-828553
For: 30-60HP 2 cyl and 3 cyl
DIVIDER PLATE
GASKET
Replaces: 27-190506
For: 140 Jet, 115-200HP
(2.5L), XR-6
INNER EXHAUST
PLATE GASKET
Replaces: 27-812775-5
For: 80 Jet, 100HP, 115HP, and
125HP 4 cyl outboards
EXHAUST COVER GAS-
KET
Replaces: 27-414991
For: 18XD, 20XD (2 cyl), 25XD
OUTER EXHAUST
PLATE GASKET
Replaces: 27-812775-4
For: 81 Jet, 100HP, 115HP, and
125HP 4 cyl outboards
EXHAUST COVER
PLATE GASKET
Replaces: 27-43004-7
For: 65 Jet, 75HP 3 cyl, 90HP 3 cyl
➀
Priced per Package
SEE PAGES 166-167 FOR OUR COMPLETE LINE OF GASKET SEALANTS
OUTBOARD—MERCURY/MARINER-Gaskets