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Sierra Marine Parts Catalog: Mercruiser

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18-70928
18-70929
MOLDED HOSE
MOLDED HOSE
Replaces: 32-71613
Replaces: 32-73794
For: 5.0L & 5.7L
For: 5.0L & 5.7L Starboard
For: Thermostat Housing to Oil Cooler
For: Thermostat Housing to Starboard Manifold
18-70932
18-70930
18-70931
MOLDED HOSE
MOLDED HOSE
MOLDED HOSE
Replaces: 32-871171
Replaces: 32-52481
Replaces: 32-96879
For: 4.3L, 5.0L, & 5.7L Starboard
For: GM Inline 4 & 6 cyl.
For: 2.5L & 3.0L
For: Thermostat Cover to Starboard Manifold
For: Water Distribution Block to End Cap
For: Distribution Block to Water Pump
SINGLE DIAMETER HOSE
5"
4  3/4"
5"
18-70704
18-70924
18-70021
MOLDED HOSE
MOLDED HOSE
MOLDED HOSE
1 1/4" ID
1 3/4" ID
/4" ID
3
For: 3.7L
12  3/4"
18-71337
12 / "
12
18-71218
MOLDED HOSE
MOLDED HOSE
1 3/4" ID
1" ID
For: 4.3L, 5.0L, 5.7L
For: 230 & 260 MIE
Circulating Pump Hose
STRAIGHT HOSE
18-75100
18-75125
MOLDED HOSE
MOLDED HOSE
Straight 48"
Straight 48"
644
1" ID
1 1/4" ID