Closed Cooling System for Mercruiser (350 Magnum Mpi Alpha / Bravo (Gen+) Engine) Engine

Start Over Different Model > Different Engine Section > Closed Cooling System

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 ]

Engine Diagram

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 ]

# — 75611A98 — GASKET SET, Engine Overhaul (1 required per assembly)
		27-75611A98 - Engine Overhaul Gasket Set [ More info ] $908.43 Available to Order: Usually ships within 10 days.
#1 — 860234A 1 — HEAT EXCHANGER (1 required per assembly)
		860234A 1 - Heat Exchanger [ More info ] Unavailable
#NS — 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.
#NS — 803644 — GASKET (2 required per assembly)
		27-803644 - End Cover Gasket [ More info ] $13.84 1 In Stock.
		27-8M0036987 - Heat Exchanger End Gasket [ More info ] $21.08 In Stock
#NS — 814877 — BOLT (2 required per assembly)
		10-814877 - Bolt [ More info ] Unavailable
#NS — 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 10+ In Stock.
#NS — 814879 1 — CAP (1 required per assembly)
		36-814879 1 - Pressure Cap [ More info ] $57.83 In Stock
#2 — 860326A 1 — BRACKET ASSEMBLY, Heat Exchanger (1 required per assembly)
		860326A 1 - Bracket Assembly [ More info ] $198.42 Available to Order: Usually ships within 10 days.
#3 — 18431 — PAD (2 required per assembly)
		18431 - Pad [ More info ] $33.67 Available to Order: Usually ships within 10 days.
#4 — 71587A10 — RECOVERY KIT, Coolant (1 required per assembly) — (Complete Kit Only - Purchase Component Parts Locally
		71587A10 - Coolant Recovery Kit [ More info ] $93.50 In Stock
#NS — 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.
#5 — 71587A11 — BOTTLE, Plastic (1 required per assembly)
		71587A11 - Coolant Recovery Bottle [ More info ] $73.56 1 In Stock.
#6 — 72058 — CAP (1 required per assembly)
		72058 - Bottle Cap [ More info ] $10.90 Available to Order: Usually ships within 10 days.
#7 — 861188A 1 — HOUSING ASSEMBLY, Thermostat (1 required per assembly)
		861188A 1 - Thermostat Housing Assembly [ More info ] $316.67 Available to Order: Usually ships within 10 days.
#8 — 807134 1 — SEAL (1 required per assembly)
		25-807134 1 - Thermostat Seal [ More info ] $15.00 Available to Order: Usually ships within 10 days.
#9 — 52020 — SLEEVE, Hose (1 required per assembly)
		23-52020 - Sleeve [ More info ] Unavailable
#10 — 32803 — PLUG, Pipe (.375-18) Brass (1 required per assembly)
		22-32803 - Plug [ More info ] Unavailable
		18-4264 - Pipe Plug, 3/8-18 NPT [ More info ] $5.49 $4.15 2 In Stock.
		228M0180565 - PLUG [ More info ] $7.70 Available to Order: Usually ships within 10 days.
#11 — 99155 1 — THERMOSTAT (1 required per assembly)
		99155 1 - Thermostat, 160 Degrees [ More info ] $37.12 2 In Stock.
		99155T 1 - Thermostat Kit, 160 Degrees [ More info ] $37.75 Available to Order: Usually ships within 10 days.
#12 — 807075A 1 — COVER (1 required per assembly)
		807075A 1 - Thermostat Cover Kit [ More info ] $221.25 Available to Order: Usually ships within 10 days.
#13 — 29198 — SCREW AND LOCKWASHER, (.312-18 x .875) (2 required per assembly)
		10-29198 - Screw w/ Lw - Priced Individually [ More info ] $4.40 $2.46 10+ In Stock.
#14 — 58640 — SCREW, (.375-16 x 1.25) (2 required per assembly)
		10-58640 - Screw - Priced Individually [ More info ] $7.01 10+ In Stock.
		10-8M0113174 - Screw, .375-16, Priced Individually [ More info ] $7.00 Available to Order: Usually ships within 10 days.
#15 — 32802 2 — PLUG, Pipe (.125-27) Brass (1 required per assembly)
		22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] $7.30 Available to Order: Usually ships within 10 days.
		18-4263 - Pipe Plug, 1/8-27 NPT, Brass [ More info ] $5.19 $4.70 10+ In Stock.
#16 — 53045 1 — GASKET (2 required per assembly)
		27-53045 1 - Gasket - Priced Individually [ More info ] $5.50 10+ In Stock.
		18-2917-9 - Gasket 27-530451 2-Pack [ More info ] $7.99 10+ In Stock.
		27-53045Q01 - Gasket [ More info ] $5.50 4 In Stock.
#17 — 860380 — HOSE, Thermostat By-Pass (1 required per assembly)
		32-860380 - Water Hose [ More info ] $36.75 Available to Order: Usually ships within 10 days.
#18 — 860327 — HOSE, Heat Exchanger - Part and Starboard (2 required per assembly)
		32-860327 - Water Hose [ More info ] $50.42 Available to Order: Usually ships within 10 days.
#19 — 807691 — HOSE, Thermostat Housing to Heat Exchanger (1 required per assembly)
		32-807691 - Molded Hose [ More info ] $36.75 Available to Order: Usually ships within 10 days.
#20 — 861059 — HOSE, Water Pump to Heat Exchanger (1 required per assembly)
		32-861059 - Water Hose [ More info ] $73.25 Available to Order: Usually ships within 10 days.
#21 — 42850 69 — HOSE, (44.00 Inches Bulk), Heat Exchanger to Heat Exchanger (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 In Stock
#22 — 860332 — HOSE, Heat Exchanger to Fuel Cooler (1 required per assembly)
		32-860332 - Water Hose [ More info ] $53.67 In Stock
#23 — 808045 — HOSE, Fuel Cooler to Transmission Oil cooler (1 required per assembly)
		32-808045 - Molded Hose [ More info ] $60.84 1 In Stock.
#24 — 860482 — HOSE, Water Pump To Intake Manifold (1 required per assembly)
		32-860482 - Molded Hose [ More info ] Unavailable
		32-99520 - Molded Hose [ More info ] $26.25 In Stock
#25 — 860346 — FITTING, Elbow (90 Degree) (.750) (1 required per assembly)
		22-860346 - Elbow [ More info ] $27.08 Available to Order: Usually ships within 10 days.
#26 — 808042 — FITTING, Elbow (90 Degrees) (.50 NPT x .75 Bars) (1 required per assembly)
		22-808042 - Connector [ More info ] $28.25 Available to Order: Usually ships within 10 days.
#27 — 808044 1 — HOSE, Molded, Transmission Oil Cooler to Seawater Pump (1 required per assembly)
		32-808044 1 - Molded Hose [ More info ] $88.92 Available to Order: Usually ships within 10 days.
#28 — 815504388 — CLAMP, Worm Gear (2 required per assembly)
		54-815504388 - Clamp [ More info ] $24.83 Available to Order: Usually ships within 10 days.
#29 — 815504220 — CLAMP, Worm Gear (12 required per assembly)
		54-815504220 - Clamp [ More info ] $7.30 Available to Order: Usually ships within 10 days.
#30 — 815504222 — CLAMP, Worm Gear (1.98 DIameter) (2 required per assembly)
		54-815504222 - Clamp [ More info ] $6.20 Available to Order: Usually ships within 10 days.
#31 — 815504232 — CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
		54-815504232 - Clamp [ More info ] $8.60 10+ In Stock.
#32 — 815504212 — CLAMP, Worm Gear (2 required per assembly)
		54-815504212 - Clamp [ More info ] $5.70 Available to Order: Usually ships within 10 days.
#NS — 807992 3 — COVER, Hose Clamp End (AR 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.