Parts for MerCruiser 350 Mag MPI Horizon Alpha / Bravo Front Cover & Circulating Pump

Revise Search: All Models > 350 Mag MPI Horizon Alpha / Bravo > 0W310000 - 0W649999 > Front Cover & Circulating Pump

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• View diagram and parts list below.
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	850399 1	PUMP ASSEMBLY, Water, Water (2 required per assembly)
		850399 1 - 850399 1 - PUMP ASSEMBLY Wat * [ More info ] Unavailable Replaced by 46-8M0113734
		46-8M0113734 - Water Pump Assembly [ More info ] $153.50 In stock
		18-3599-1 - Circulating Water Pump [ More info ] $137.99 $101.90 In stock
#2	22-49146	PLUG, Pipe (1 required per assembly) (Standard Cooling)
		22-49146 - PLUG O NLA [ More info ] Unavailable
#3	27-34897	GASKET, Water Pump (2 required per assembly)
		27-34897 - Gasket - Priced Individually [ More info ] $2.70 1 in stock.
		18-0891-9 - Gasket 27-34897 2-Pack [ More info ] $4.98 $3.82 10+ in stock.
#4	22-860346	FITTING, Elbow (90 Degree) (.750), 90 Degrees (1 required per assembly) (Closed Cooling)
		22-860346 - Elbow [ More info ] $20.33 Available to order: Usually ships within 8 days.
#5	16-35342	STUD, (.312-24/.375-16 x 2.5625) (2 required per assembly)
		16-35342 - STUD [ More info ] $3.90 1 in stock.
		16-8M0076418 - Stud [ More info ] $6.90 Available to order: Usually ships within 8 days.
#6	10-32132	SCREW, (.375-16 x 1.750) (1 required per assembly)
		10-32132 - Screw [ More info ] $2.10 10+ in stock.
#6	10-47688	SCREW, (.375-16 x 2.750) (1 required per assembly)
		10-47688 - Screw [ More info ] $2.50 Available to order: Usually ships within 8 days.
#7	807729T	PULLEY, Water Pump (1 required per assembly) (Standard Cooling)
		807729T - Water Pump Pulley [ More info ] $40.92 Available to order: Usually ships within 8 days.
#7	865047T	PULLEY, Water Pump (1 required per assembly) (Closed Cooling)
		865047T - Water Pump Pulley [ More info ] $145.17 Available to order: Usually ships within 8 days.
#8	10-47277	SCREW, (.312-24 x .750) (4 required per assembly)
		10-47277 - Screw - Priced Individually [ More info ] $0.80 10 in stock.
#9	864297001	SENSOR ASSEMBLY, Crankshaft Position (1 required per assembly)
		864297001 - 864297001 - SENSOR ASSEMBLY O [ More info ] Unavailable Replaced by -864297T01
		864297T01 - Crank Position Sensor [ More info ] $219.75 In stock
		18-7556 - CrankShaft Sensor 864297001 [ More info ] $101.66 $84.89 3 in stock.
#10	25-885192	O-RING (1 required per assembly)
		25-885192 - O-Ring [ More info ] $36.70 $31.43 Available to order: Usually ships within 8 days.
#11	10-884018	SCREW (1 required per assembly)
		10-884018 - 10-884018 - SCREW O [ More info ] Unavailable Replaced by 10-884018001
		10-884018001 - Screw [ More info ] $10.24 Available to order: Usually ships within 8 days.
#12	807730T	PULLEY, Crankshaft (1 required per assembly)
		807730T - CrankShaft Pulley [ More info ] $75.50 In stock
#13	10-34352	SCREW, (.375-24 x .875) (3 required per assembly)
		10-34352 - Screw - Priced Individually [ More info ] $0.80 10+ in stock.
#14	863397	HARMONIC BALANCER (1 required per assembly)
		863397 - Balancer-harmonic [ More info ] $184.33 In stock
#15	10-32515	SCREW, (.437-20 x 2.50) (1 required per assembly)
		10-32515 - Screw - Priced Individually [ More info ] $2.10 10+ in stock.
		10-8M2021674 - Screw [ More info ] $2.20 Available to order: Usually ships within 8 days.
#16	13-39131	LOCKWASHER, (.437) (1 required per assembly)
		13-39131 - LockWasher [ More info ] $0.80 6 in stock.
#17	12-71458	WASHER (1 required per assembly)
		12-71458 - Washer [ More info ] $5.90 Available to order: Usually ships within 8 days.
#18	863396	TIMING COVER ASSEMBLY, Screws, Grommets, Oil Seal, and Gasket are Not Sold Seperately (1 required per assembly)
		863396 - 863396 - TIMING COVER ASSE O [ More info ] Unavailable Replaced by -863396001
		863396001 - Timing Cover [ More info ] $162.17 In stock
#19	863398	RELUCTOR WHEEL (1 required per assembly)
		863398 - Wheel -reluctor [ More info ] $32.75 Available to order: Usually ships within 8 days.
#20	845941	RETAINER, Camshaft (1 required per assembly)
		845941 - Retainer [ More info ] $19.25 Available to order: Usually ships within 8 days.
#21	10-845943	SCREW, (.250-20 x .500) (2 required per assembly)
		10-845943 - Screw [ More info ] $4.50 Available to order: Usually ships within 8 days.
#22	17161T	CHAIN, Timing (1 required per assembly)
		17161T - Timing Chain [ More info ] $104.41 Available to order: Usually ships within 8 days.
#23	43-811659 1	SPROCKET, Camshaft (1 required per assembly)
		43-811659 1 - Timing Sprocket [ More info ] $123.83 Available to order: Usually ships within 8 days.
#24	10-845942	SCREW, (.312-18 x .750) (3 required per assembly)
		10-845942 - Screw [ More info ] $4.30 Available to order: Usually ships within 8 days.
#25	43-17160	SPROCKET, Crankshaft (1 required per assembly)
		43-17160 - Sprocket [ More info ] $51.17 Available to order: Usually ships within 8 days.
#26	19-816565	PLUG, Pipe(.468) (1 required per assembly)
		19-816565 - Plug [ More info ] $7.80 1 in stock.
#27	57-865615004	BELT (1 required per assembly) (Standard Cooling) (Alpha) (With Power Steering)
		57-865615004 - 57-865615004 - BELT O [ More info ] Unavailable Replaced by 57-865615Q04
		57-865615Q04 - Serpentine Belt [ More info ] $102.40 $87.68 1 in stock.
		18-15101 - Serpentine Belt [ More info ] $103.99 $73.40 1 in stock.
#27	57-865615009	BELT (1 required per assembly) (Standard Cooling) (Alpha) (CHS and Non Power Steering)
		57-865615009 - 57-865615009 - BELT O [ More info ] Unavailable Replaced by 57-865615Q09
		57-865615Q09 - Belt [ More info ] $64.25 In stock
		18-15105 - Belt [ More info ] $65.49 In stock
#27	57-865615003	BELT (1 required per assembly) (Standard Cooling) (Bravo) (With Power Steering)
		57-865615003 - 57-865615003 - BELT O [ More info ] Unavailable Replaced by 57-865615Q03
		57-865615Q03 - Belt [ More info ] $112.50 In stock
		18-15100 - Belt [ More info ] $152.49 $97.77 In stock
#27	57-865615008	BELT (1 required per assembly) (Standard Cooling) (Bravo) (CHS and Non Power Steering)
		57-865615008 - Serpentine Belt -2535 Mm [ More info ] $70.00 2 in stock.
		57-865615Q08 - Belt [ More info ] $94.75 In stock
		18-15104 - Belt [ More info ] $99.99 In stock
#27	57-865615006	BELT (1 required per assembly) (Alpha/Bravo) (Closed Cooling) (With Power Steering)
		57-865615006 - 57-865615006 - BELT O [ More info ] Unavailable Replaced by 57-865615Q06
		57-865615Q06 - Belt [ More info ] $117.00 $100.19 In stock
		18-15102 - Belt [ More info ] $112.99 $100.21 1 in stock.
#-	27-861246A05	GASKET SET, Engine Overhaul (1 required per assembly)
		27-861246A05 - Gasket Set [ More info ] $599.91 Available to order: Usually ships within 8 days.