Parts for MerCruiser 350 Mag MPI Horizon MIE Closed Cooling System

Revise Search: All Models > 350 Mag MPI Horizon MIE > 0M310000 - 0M316999 > Closed Cooling System

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View diagram and parts list below. Tap to zoom. Scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	32-863489	HOSE, Transmission Cooler To Check Valve (1 required per assembly)
		32-863489 - Hose [ More info ] $85.58 Available to Order: Usually ships within 10 days.
#2	21-864206A 1	CHECK VALVE ASSEMBLY (1 required per assembly)
		21-864206A 1 - Check Valve [ More info ] $68.95 Available to Order: Usually ships within 10 days.
#3	32-864480	HOSE, Check Valve To Tee Fitting (1 required per assembly)
		32-864480 - Hose - Check Valve To Tee Fitting [ More info ] $36.75 Available to Order: Usually ships within 10 days.
#4	32-863887 1	HOSE, Intake Bypass To Circulating Pump (1 required per assembly)
		32-863887 1 - Hose [ More info ] $17.99 1 In Stock.
#5	32-863793	HOSE, Distribution Fitting To Heat Exchanger (1 required per assembly)
		32-863793 - Hose [ More info ] Unavailable
#6	22-864496	FITTING, Distribution (1 required per assembly)
		22-864496 - Hose Fitting [ More info ] $1.50 10+ In Stock.
#7	32-863490	HOSE, Distribution Fitting To Accumulator Housing (1 required per assembly)
		32-863490 - Hose - Distribution Fitting To Accumulator Housing [ More info ] $41.00 Available to Order: Usually ships within 10 days.
#8	32-42850 69	HOSE, (44.00 Inches Bulk) (Cut To Size) (1 required per assembly)
		32-42850 69 - Hose -44 Inch [ More info ] Unavailable
		32-8M0062634 - Transom TO Thermostat Housing Hose -44I [ More info ] $39.42 Available to Order: Usually ships within 10 days.
#9	22-862993	FITTING, Drain (3 required per assembly)
		22-862993 - Fitting - Water [ More info ] $5.40 Available to Order: Usually ships within 10 days.
#10	32-863670	HOSE, Fuel Cooler To Accumulator Housing (1 required per assembly)
		32-863670 - Hose - Fuel Cooler [ More info ] $33.92 Available to Order: Usually ships within 10 days.
#11	32-863885	HOSE, Heat Exchanger To Thermostat Housing (1 required per assembly)
		32-863885 - Hose - Heat Exchanger To Thermostat Housing [ More info ] $36.67 Available to Order: Usually ships within 10 days.
#12	32-863886	HOSE, Heat Exchanger To Thermostat Housing (1 required per assembly)
		32-863886 - Hose - Heat Exchanger To Thermostat Housing [ More info ] $15.00 10+ In Stock.
#13	32-862125	HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Starboard)
		32-862125 - Molded Hose [ More info ] $59.50 Available to Order: Usually ships within 10 days.
#14	32-860421	HOSE, Heat Exchanger To Exhaust Manifold (1 required per assembly) (Port)
		32-860421 - Water Hose [ More info ] $58.67 Available to Order: Usually ships within 10 days.
#15	32-864478	HOSE, T Fitting To Trans Cooler, Sea Pump To Trans Cooler (1 required per assembly)
		32-864478 - Hose - T Fitting To Trans Cooler [ More info ] $49.67 Available to Order: Usually ships within 10 days.
#16	54-815504212	CLAMP, Worm Gear, Hose (1 required per assembly)
		54-815504212 - Clamp [ More info ] $5.70 Available to Order: Usually ships within 10 days.
#17	54-815504216	CLAMP, Worm Gear (1.56 Diameter), Hose (1 required per assembly)
		54-815504216 - Clamp [ More info ] $18.00 $4.95 4 In Stock.
#18	54-815504222	CLAMP, Worm Gear (1.98 DIameter), Hose (1 required per assembly)
		54-815504222 - Clamp [ More info ] $6.20 4 In Stock.
#19	54-815504228	CLAMP, Worm Gear, Hose (1 required per assembly)
		54-815504228 - Clamp [ More info ] $19.90 Available to Order: Usually ships within 10 days.
#20	54-815504232	CLAMP, Worm Gear (2.50 Diameter), Hose (1 required per assembly)
		54-815504232 - Clamp [ More info ] $8.60 10+ In Stock.
#21	32-861059	HOSE, Heat Exchanger To Circulating Pump (1 required per assembly)
		32-861059 - Water Hose [ More info ] $73.25 Available to Order: Usually ships within 10 days.
#22	54-815504220	CLAMP, Worm Gear, Hose (1 required per assembly)
		54-815504220 - Clamp [ More info ] $7.30 Available to Order: Usually ships within 10 days.
#23	863709A 1	HEAT EXCHANGER, Closed Cooling (1 required per assembly)
		863709A 1 - EXCHANGER-HEAT [ More info ] Unavailable
		863709A02 - Heat Exchanger [ More info ] Unavailable
#24	814875	COVER, Heat Exchanger End (2 required per assembly)
		814875 - End Cover [ More info ] Unavailable
		8M0036623 - Cap -end [ More info ] $100.75 Available to Order: Usually ships within 10 days.
#25	27-803644	GASKET, End Cover (2 required per assembly)
		27-803644 - End Cover Gasket [ More info ] $13.84 3 In Stock.
		27-8M0036987 - Heat Exchanger End Gasket [ More info ] $21.08 In Stock
#26	10-814877	BOLT (2 required per assembly)
		10-814877 - Bolt [ More info ] Unavailable
#27	25-814878	O-RING, Special (2 required per assembly)
		25-814878 - O-Ring [ More info ] Unavailable
		25-8M0039163 - O-ring, (3/8 X 1/8) [ More info ] $8.50 4 In Stock.
#28	36-814879 1	CAP, Pressure (1 required per assembly)
		36-814879 1 - Pressure Cap [ More info ] $57.83 In Stock
#29	22-806608A 1	PLUG KIT, (.500-13) Royal Blue (1 required per assembly)
		22-806608A 1 - Plug Kit, Priced Individually [ More info ] Unavailable
		22-806608A02 - Plug Assembly - Priced Individually [ More info ] Unavailable
		22-8M0119211 - Drain Plug, Priced Individually, .5 inch x 13 [ More info ] $9.40 10+ In Stock.
		18-4226 - Blue Drain Plug, 22-806608A1 [ More info ] $4.09 10+ In Stock.
		22-806608Q01 - Plug - Priced Individually [ More info ] $9.50 Available to Order: Usually ships within 10 days.
#30	25-32509	O-RING, (.489 x .070) (1 required per assembly)
		25-32509 - O-ring, (.489 X .070) [ More info ] $2.30 10+ In Stock.
		18-7165-9 - O-Ring (PK5) , 0304174 [ More info ] $8.99 $8.92 Available to Order: Usually ships within 10 days.
#31	54-815504388	CLAMP, Worm Gear, Heat Exchanger (1 required per assembly)
		54-815504388 - Clamp [ More info ] $24.83 Available to Order: Usually ships within 10 days.
#32	71587A10	RECOVERY KIT, Coolant (1 required per assembly)
		71587A10 - Coolant Recovery Kit [ More info ] $93.50 In Stock
#NS	32-77457 2	HOSE, (48.00 Inches Bulk) (1 required per assembly)
		32-77457 2 - Hose -48 Inch [ More info ] $67.58 Available to Order: Usually ships within 10 days.
#33	71587A11	BOTTLE, Plastic, Coolant Recovery Kit (1 required per assembly)
		71587A11 - Coolant Recovery Bottle [ More info ] $73.56 1 In Stock.
#34	72058	CAP, Coolant Recovery Bottle (1 required per assembly)
		72058 - Bottle Cap [ More info ] $10.90 Available to Order: Usually ships within 10 days.
#35	32-17435 79	HOSE, (96.00 Inches Bulk), Sea Water Pump To Water Pick Up (1 required per assembly)
		32-17435 79 - Hose-96 INCH [ More info ] Unavailable
		32-863343 79 - Hose-96 INCH [ More info ] Unavailable
		32-865672079 - Hose-96 Inch [ More info ] Unavailable
		32-8M0062666 - Water Hose Bulk -96" [ More info ] $212.33 Available to Order: Usually ships within 10 days.
#36	18431	PAD, Heat Exchanger (1 required per assembly)
		18431 - Pad [ More info ] $33.67 Available to Order: Usually ships within 10 days.
#37	863680A 1	BRACKET, Cooler (1 required per assembly)
		863680A 1 - Bracket Assembly [ More info ] $29.63 10+ In Stock.
#38	32-864620	HOSE, Tee Fitting To Fuel Cooler (1 required per assembly)
		32-864620 - Hose - Tee Fitting To Fuel Cooler [ More info ] $12.30 Available to Order: Usually ships within 10 days.
#39	32-864477	HOSE, Sea Pump To Tee Fitting (1 required per assembly)
		32-864477 - Hose - Sea Pump To Tee Fitting [ More info ] $44.17 Available to Order: Usually ships within 10 days.
#NS	19-807992 3	COVER, Hose Clamp End (A/R required per assembly)
		19-807992 3 - Cover-.375 - Priced Individually [ More info ] $0.58 4 In Stock.
		198M0074364 [ More info ] $0.50 10+ In Stock.
		198M0074364 - Cover-Clamp - Priced Individually [ More info ] $3.20 $2.72 10+ In Stock.