Parts for MerCruiser 350 Mag MPI Horizon Alpha / Bravo EC Water Distribution Housing
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 863444T 1 | HOUSING, Water Distribution (1 required per assembly) Single Point Drain (Standard Cooling) |
#1 | 863444T 2 | HOUSING, Water Distribution (1 required per assembly) Air Actuated Drain (Standard Cooling) |
#1 | 863631T 1 | HOUSING, Water Distribution (1 required per assembly) 3 Point and 7 Point Drain (Standard Cooling) |
#1 | 863802T 2 | HOUSING, Water Distribution (1 required per assembly) Air Actuated Drain (Closed Cooling) |
#2 | 22-806608A02 | PLUG ASSEMBLY, (.500-13) Blue (1 required per assembly) |
22-806608A02 - Plug Assembly - Priced Individually [ More info ] Unavailable |
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22-8M0119211 - Drain Plug, Priced Individually, .5 inch x 13 [ More info ] |
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#3 | 25-32509 | O-RING, (.489 x .070) (1 required per assembly) |
18-7165-9 - O-Ring (PK5) , 0304174 [ More info ]
$8.99 $8.92 |
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#4 | 10-817505 1 | SCREW, (.250-20 x .625) (3 required per assembly) |
#5 | 863839 | COVER (1 required per assembly) Rod Actuated |
#6 | 863865 | COVER (1 required per assembly) Manual Drain |
#7 | 863449T | BRACKET, Water Distribution Housing (1 required per assembly) |
#8 | 10-34353 | SCREW, (.375-16 x 1.00) (1 required per assembly) |
#9 | 16-805357 | STUD, (.375-16 x 2.130) (1 required per assembly) |
16-805357 - Stud [ More info ] Unavailable |
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#10 | 863451T | BRACKET, Water Drain Actuator (1 required per assembly) |
#12 | 863381A 1 | DRAIN ROD ASSEMBLY (1 required per assembly) |
#13 | 11-32219 | NUT, (.375-16) (1 required per assembly) |
#14 | 22-863499 | FITTING, Air Valve (1 required per assembly) Component of Air Actuated Housing Only |
#15 | 22-863467 | FITTING, Air Valve (1 required per assembly) Component of Air Actuated Housing Only |
#16 | 13-35048 | LOCKWASHER, (.375) (1 required per assembly) |
#17 | 53-863741 | E-RING (1 required per assembly) |