Page 926 - 2021 Sierra Catalog

Model Years Impeller Model
Years
Impeller
574AMLPWS 1990 18-3058 584AMLMED
1989
18-3058
574AMWXS 1986 18-3058 584AMLPWS
1990
18-3058
574APARY 1987 18-3058 584APLAMH, 584APLAMK
1992
18-3058
574APEPWS 1990 18-3058 584APLJVB
1993
18-3058
574APERGD 1991 18-3058 584APLRGD
1991
18-3058
574APFTC 1987 18-3058 584APRAMH, 584APRAMK
1992
18-3058
574APKWB 1986 18-3058 584APRJVB
1993
18-3058
574APLAMH 1992 18-3058 584APRMED
1989
18-3058
574APLRGD 1991 18-3058 584APRPWS
1990
18-3058
574APRAMH 1992 18-3058 584APRRGD
1991
18-3058
574APRGDP 1988 18-3058 744APEPWS
1990
18-3058
574APRMED 1989 18-3058 744APERGD, 744APERGF
1991
18-3058
574APRPWS 1990 18-3058 744BPERGD
1991
18-3058
574APRRGD 1991 18-3058 754APEPWS
1990
18-3058
574APSRC 1987 18-3058 754APFTC, 754APSRC
1987
18-3058
574APWXS 1986 18-3058 754BPFTC, 754BPSRC
1987
18-3058
574BMLGDP 1988 574BPEPWS 1990 574BPERGD 1991 574BPRGDP 1988 584ACPMDA, 584AGPMDA 1994
18-3058 18-3058 18-3058 18-3058 18-3060
➀ Except models originally equipped with short impeller or retrofitted with short impeller kit
➁ Except 1992 5.7LE models ➂ Standard pump
➃ Heavy duty pump
18-3108 IMPELLER KEY Replaces: 308928
Fits: Sterndrive models (1968-85) For: Stringer Drive Impeller 18-3086
18-3111
WATER PUMP SHAFT SEAL Replaces: 907774 I/O 1972-86 EXCEPT COBRA
18-4833
WATER PASSAGE HOUSING (LOWER UNIT)
Replaces: 915720
Fits: OMC Cobra (1986-93) without cone clutch
18-4837
WATER PASSAGE COVER Replaces: 911734
Fits: OMC Cobra (1986-93) without cone clutch
18-3119
WATER PUMP HOUSING Replaces: 983298
18-3206
WATER PUMP HOUSING Replaces: 984744
For: OMC Cobra
18-3145
PUMP LINER Replaces: 911844
18-3121 IMPELLER PLATE Replaces: 911703 COBRA
18-3141
IMPELLER PLATE Replaces: 313176 110-260 HP I/O 1968-86 EXCEPT COBRA
18-3502
WATER PUMP VENT HOSE Replaces: 912614
Fits: OMC Cobra (1986-93) without cone clutch
908
I/O — OMC STERNDRIVE/COBRA - Cooling System