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Parts for MerCruiser 350 MAG MPI HORIZON MIE Closed Cooling System

Revise Search: Start Over > Different Engine Model > Different Serial Number Range > Different Component
YOU ARE HERE: MERCRUISER > 350 MAG MPI HORIZON MIE > 0L302200 THRU 0M299999 () > Closed Cooling System

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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 ]

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1
860234A 1 HEAT EXCHANGER (1 required per assembly)
EXCHANGER-HEAT 860234A 1
860234A 1OEM Part 860234A 1 - Exchanger-heat (more info) About Mercury Marine $1,442.86 $1,442.86 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
814875 COVER, Heat Exchanger End (2 required per assembly)
COVER-END         O - Replaced by -8M0036623 Larger photo - 814875
814875This part has been superseded. COVER-END O - Replaced by -8M0036623
    UnavailableUnavailable Parts
CAP-END 8M0036623
8M0036623OEM Part 8M0036623 - Cap -end (more info) About Mercury Marine $64.58 $60.53 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
27-803644 GASKET (2 required per assembly)
GASKET            O - Replaced by 27-8M0036987
27-803644This part has been superseded. GASKET O - Replaced by 27-8M0036987
    UnavailableUnavailable Parts
GASKET 27-8M0036987
27-8M0036987OEM Part 27-8M0036987 - Gasket (more info) About Mercury Marine $15.91 $15.91 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
10-814877 BOLT (2 required per assembly)
BOLT 10-814877 Larger photo - 10-814877
10-814877OEM Part 10-814877 - Bolt (more info) About Mercury Marine $7.13 $7.13 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
25-814878 O-RING, Special (2 required per assembly)
O RING            O - Replaced by 25-8M0039163
25-814878This part has been superseded. O RING O - Replaced by 25-8M0039163
    UnavailableUnavailable Parts
O RING 25-8M0039163
25-8M0039163OEM Part 25-8M0039163 - O-ring (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
36-814879 1 CAP (1 required per assembly)
CAP-PRESSURE 36-814879  1
36-814879 1OEM Part 36-814879 1 - Cap -pressure (more info) About Mercury Marine $45.40 $35.46 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#2
860326A 1 BRACKET ASSEMBLY, Heat Exchanger (1 required per assembly)
BRACKET ASSY 860326A 1 Larger photo - 860326A 1
860326A 1OEM Part 860326A 1 - BRACKET Assembly (more info) About Mercury Marine $136.99 $128.38 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#3
18431 PAD (2 required per assembly)
PAD 18431
18431OEM Part 18431 - Pad (more info) About Mercury Marine $22.43 $21.03 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#4
71587A10 RECOVERY KIT, Coolant (1 required per assembly)
(Complete Only-Purchase Component Parts Locally)
RECOVERY KIT 71587A10
71587A10OEM Part 71587A10 - ReCovery Kit (more info) About Mercury Marine $59.00 $55.29 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#NS
32-77457 2 HOSE, (48.00 Inches Bulk) (1 required per assembly)
HOSE-48 INCH 32-77457  2 Larger photo - 32-77457  2
32-77457 2OEM Part 32-77457 2 - Hose -48 Inch (more info) About Mercury Marine $48.55 $37.93 Add to shopping cart
10+ in stock. Explain stock levels
#5
71587A11 BOTTLE, Plastic (1 required per assembly)
BOTTLE ASSY 71587A11 Larger photo - 71587A11
71587A11OEM Part 71587A11 - Bottle Assembly (more info) About Mercury Marine $48.41 $45.38 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#6
72058 CAP (1 required per assembly)
CAP 72058 Larger photo - 72058
72058OEM Part 72058 - Cap (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
2 in stock. Explain stock levels
#7
861188A 1 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HSG ASY-THERMOSTA 861188A 1 Larger photo - 861188A 1
861188A 1OEM Part 861188A 1 - Housing Assembly - Thermostat (more info) About Mercury Marine $349.66 $327.71 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
Thermostat Housing Larger photo - 18-3531
18-3531OEM Match 18-3531 - Thermostat Housing 861188A1 (more info) About Sierra Marine $367.35 $289.03 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#8
25-807134 1 SEAL (1 required per assembly)
SEAL-THERMOSTAT 25-807134  1 Larger photo - 25-807134  1
25-807134 1OEM Part 25-807134 1 - Seal - Thermostat (more info) About Mercury Marine $9.20 $9.20 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#9
23-52020 SLEEVE, Hose (1 required per assembly)
SLEEVE,NLA 23-52020
23-52020OEM Part 23-52020 - Sleeve, NLA (more info) About Mercury Marine $24.00 $24.00 Add to shopping cart
6 in stock. Explain stock levels
#10
22-32803 PLUG, Pipe (.375-18) Brass (1 required per assembly)
PLUG 22-32803 Larger photo - 22-32803
22-32803OEM Part 22-32803 - Plug (more info) About Mercury Marine $4.48 $4.48 Add to shopping cart
10+ in stock. Explain stock levels
Pipe Plug, 3/8-18 Npt Pipe Larger photo - 18-4264
18-4264OEM Match 18-4264 - Pipe Plug, 3/8-18 NPT Pi (more info) About Sierra Marine $4.48 $3.10 Add to shopping cart
9 in stock. Explain stock levels
#11
99155 1 THERMOSTAT (1 required per assembly)
THERMOSTAT 99155  1 Larger photo - 99155  1
99155 1OEM Part 99155 1 - Thermostat (more info) About Mercury Marine $16.59 $15.55 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#12
807075A 1 COVER (1 required per assembly)
COVER KIT-THERMOS 807075A 1 Larger photo - 807075A 1
807075A 1OEM Part 807075A 1 - Cover Kit - Thermostats (more info) About Mercury Marine $144.17 $135.11 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#13
10-29198 SCREW AND LOCKWASHER, (.312-18 x .875) (2 required per assembly)
SCREW W/LW Note: must be ordered in multiples of 5 10-29198 Larger photo - 10-29198
10-29198OEM Part 10-29198 - Screw w/ Lw Note: Must Be Ordered In Multiples Of 5 (more info) About Mercury Marine $2.30 $1.29 Add to shopping cart
10+ in stock. Explain stock levels
#14
10-58640 SCREW, (.375-16 x 1.25) (2 required per assembly)
SCREW Note: must be ordered in multiples of 5 10-58640 Larger photo - 10-58640
10-58640OEM Part 10-58640 - Screw Note: Must Be Ordered In Multiples Of 5 (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
10+ in stock. Explain stock levels
#15
22-35580 FITTING (1 required per assembly)
(350 HORIZON)
ELBOW 22-35580
22-35580OEM Part 22-35580 - Elbow (more info) About Mercury Marine $5.74 $3.22 Add to shopping cart
10+ in stock. Explain stock levels
#15
22-32802 2 PLUG, Pipe (.125-27) Brass (1 required per assembly)
(350 MAG MPI)
PLUG-(BRASS)Note: must be ordered in multiples of 2 22-32802  2 Larger photo - 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) Note: Must Be Ordered In Multiples Of 2 (more info) About Mercury Marine $4.80 $2.70 Add to shopping cart
10+ in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe Larger photo - 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.03 $2.94 Add to shopping cart
6 in stock. Explain stock levels
#16
27-53045 1 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-53045  1 Larger photo - 27-53045 1
27-53045 1OEM Part 27-53045 1 - Gasket Note: Must Be Ordered In Multiples Of 5 (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
Thermostat Gasket Larger photo - 18-2917-9
18-2917-9OEM Match 18-2917-9 - Gasket 27-530451 2-Pack (more info)
Replaces OEM #0312797
About Sierra Marine $5.12 $3.31 Add to shopping cart
10+ in stock. Explain stock levels
#17
32-860380 HOSE (1 required per assembly)
HOSE-WATER 32-860380
32-860380OEM Part 32-860380 - Hose - Water (more info) About Mercury Marine $29.90 $23.36 Add to shopping cart
1 in stock. Explain stock levels
#18
32-860327 HOSE (2 required per assembly)
(PORT AND STARBOARD)
HOSE-WATER 32-860327
32-860327OEM Part 32-860327 - Hose - Water (more info) About Mercury Marine $41.10 $32.11 Add to shopping cart
1 in stock. Explain stock levels
#19
32-807691 HOSE (1 required per assembly)
HOSE-MOLDED 32-807691 Larger photo - 32-807691
32-807691OEM Part 32-807691 - Hose - Molded (more info) About Mercury Marine $29.83 $23.30 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#20
32-861059 HOSE (1 required per assembly)
HOSE-WATER 32-861059
32-861059OEM Part 32-861059 - Hose - Water (more info) About Mercury Marine $52.74 $41.19 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#21
32-42850 69 HOSE, (44.00 Inches Bulk) (1 required per assembly)
328M0062634 32-42850 69 Larger photo - 32-42850 69
32-42850 69OEM Part 32-42850 69 - Hose -44 Inch (more info) About Mercury Marine $32.67 $25.50 Add to shopping cart
1 in stock. Explain stock levels
HOSE-44 INCH 32-8M0062634
32-8M0062634OEM Part 32-8M0062634 - Transom TO THERM Housing Hose -44I (more info) About Mercury Marine $31.69 $24.74 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#22
32-860332 HOSE (1 required per assembly)
HOSE-WATER 32-860332
32-860332OEM Part 32-860332 - Hose - Water (more info) About Mercury Marine $43.77 $34.19 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#23
32-808045 HOSE, Fuel Cooler to Transmission Oil Cooler (1 required per assembly)
HOSE-MOLDED 32-808045 Larger photo - 32-808045
32-808045OEM Part 32-808045 - Hose - Molded (more info) About Mercury Marine $47.36 $36.99 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#24
32-860482 HOSE, Water Pump To Intake Manifold (1 required per assembly)
HOSE-WATER        O - Replaced by 32-99520
32-860482This part has been superseded. HOSE-WATER O - Replaced by 32-99520
    UnavailableUnavailable Parts
HOSE-MOLDED 32-99520
32-99520OEM Part 32-99520 - Hose - Molded (more info) About Mercury Marine $19.51 $15.24 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#25
22-860346 FITTING, Elbow (90 Degree) (.750) (1 required per assembly)
ELBOW 22-860346
22-860346OEM Part 22-860346 - Elbow (more info) About Mercury Marine $22.54 $17.61 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#26
22-808042 FITTING, Elbow (90 Degrees) (.50 NPT x .75 Bars) (1 required per assembly)
CONNECTOR 22-808042
22-808042OEM Part 22-808042 - Connector (more info) About Mercury Marine $19.45 $15.18 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#27
32-808044 1 HOSE, Molded (1 required per assembly)
HOSE-MOLDED 32-808044  1 Larger photo - 32-808044  1
32-808044 1OEM Part 32-808044 1 - Hose - Molded (more info) About Mercury Marine $71.80 $56.08 Add to shopping cart
3 in stock. Explain stock levels
#27
32-860205 HOSE, Oil Cooler to Sea Water Pump (1 required per assembly)
(350 HORIZON)
HOSE-WATER 32-860205 Larger photo - 32-860205
32-860205OEM Part 32-860205 - Hose - Water (more info) About Mercury Marine $57.66 $45.03 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
Molded Hose Larger photo - 18-70951
18-70951OEM Match 18-70951 - Molded Hose (more info) About Sierra Marine $46.99 $46.99 Add to shopping cart
1 in stock. Explain stock levels
#28
32-807694 40 HOSE, (4.00 Inches) (1 required per assembly)
(350 HORIZON)
HOSE-4 INCH        - Replaced by 32-807694075
32-807694 40This part has been superseded. HOSE-4 INCH - Replaced by 32-807694075
    UnavailableUnavailable Parts
HOSE              O - Replaced by 32-866331
32-807694075This part has been superseded. HOSE O - Replaced by 32-866331
    UnavailableUnavailable Parts
HOSE 32-866331 Larger photo - 32-866331
32-866331OEM Part 32-866331 - Hose (more info) About Mercury Marine $9.89 $9.89 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#29
32-821415 HOSE, Seawater Pump To T-Fitting (1 required per assembly)
(350 HORIZON)
HOSE              O - Replaced by 32-897145 Larger photo - 32-821415
32-821415This part has been superseded. HOSE O - Replaced by 32-897145
Hose - Molded Connector to seawater pump
1-1/4 in. (32 mm) I.D. Fits 7.4L & 8.2L MIE
    UnavailableUnavailable Parts
HOSE 32-897145 Larger photo - 32-897145
32-897145OEM Part 32-897145 - Hose (more info) About Mercury Marine $26.34 $20.58 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#30
22-861339T Y-FITTING (w/Drain) (1 required per assembly)
(350 HORIZON)
ORD 22-862993     O NLA
22-861339T ORD 22-862993 O NLA
    UnavailableUnavailable Parts
#32
22-861406 SOCKET (1 required per assembly)
(350 HORIZON)
SOCKET-QUICK CONN 22-861406
22-861406OEM Part 22-861406 - Socket-quick Connector, NLA (more info) About Mercury Marine $70.39 $54.98 Add to shopping cart
1 in stock. Explain stock levels
#33
22-861405 FITTING (1 required per assembly)
(350 HORIZON)
PLUG-QUICK CONN    - Replaced by 22-857175
22-861405This part has been superseded. PLUG-QUICK CONN - Replaced by 22-857175
    UnavailableUnavailable Parts
COUPLING 22-857175
22-857175OEM Part 22-857175 - Coupling (more info) About Mercury Marine $55.00 $42.96 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#34
22-861427 CAP (1 required per assembly)
(350 HORIZON)
19858240 861427 Larger photo - 861427
861427OEM Part 861427 - Cap - Dust (more info) About Mercury Marine $4.68 $4.68 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
CAP 19-858240
19-858240OEM Part 19-858240 - Cap (more info) About Mercury Marine $5.07 $5.07 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#35
861505A 1 T-FITTING (1 required per assembly)
(350 HORIZON)
DRAIN KT-SEAWATER 861505A 1 Larger photo - 861505A 1
861505A 1OEM Part 861505A 1 - Drain Kit - Seawater (more info) About Mercury Marine $11.91 $11.91 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#36
22-806608A 1 PLUG KIT, (.500-13) Royal Blue (2 required per assembly)
(350 HORIZON)
PLUG KIT @5       O - Replaced by 22-806608A02 Larger photo - 22-806608A 1
22-806608A 1This part has been superseded. PLUG KIT @5 O - Replaced by 22-806608A02
Drain Plug Plastic, Blue color Fits MerCruiser cylinder blocks and exhaust manifolds
    UnavailableUnavailable Parts
PLUG ASSY Note: must be ordered in multiples of 5 22-806608A02 Larger photo - 22-806608A02
22-806608A02OEM Part 22-806608A02 - Plug Assembly Note: Must Be Ordered In Multiples Of 5 (more info) About Mercury Marine $6.20 $6.20 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG Larger photo - 18-4226
18-4226OEM Match 18-4226 - Plug, 22-806608A1 (more info) About Sierra Marine $4.32 $2.84 Add to shopping cart
10+ in stock. Explain stock levels
#37
25-32509 O-RING, (.489 x .070) (2 required per assembly)
(350 HORIZON)
O RING Note: must be ordered in multiples of 10 25-32509 Larger photo - 25-32509
25-32509OEM Part 25-32509 - O-ring Note: Must Be Ordered In Multiples Of 10 (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
O-Ring Larger photo - 18-7165-9
18-7165-9OEM Match 18-7165-9 - O-ring (PK5) (more info)
Replaces OEM #0304174
About Sierra Marine $5.00 $3.41 Add to shopping cart
3 in stock. Explain stock levels
#38
54-815504388 CLAMP, Worm Gear (2 required per assembly)
CLAMP 54-815504388 Larger photo - 54-815504388
54-815504388OEM Part 54-815504388 - Clamp (more info) About Mercury Marine $17.51 $17.51 Add to shopping cart
2 in stock. Explain stock levels
#39
54-815504520 CLAMP, Worm Gear (16 required per assembly)
(350 HORIZON)
CLAMP             O NLA
54-815504520 CLAMP O NLA
    UnavailableUnavailable Parts
#40
54-815504522 CLAMP, Worm Gear (2 required per assembly)
(350 HORIZON)
CLAMP 54-815504522
54-815504522OEM Part 54-815504522 - Clamp (more info) About Mercury Marine $12.70 $12.70 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#41
54-815504528 CLAMP, Worm Gear (2 required per assembly)
(350 HORIZON)
CLAMP 54-815504528
54-815504528OEM Part 54-815504528 - Clamp (more info) About Mercury Marine $11.70 $11.70 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#42
54-815504512 CLAMP, Worm Gear (2 required per assembly)
(350 HORIZON)
CLAMP 54-815504512
54-815504512OEM Part 54-815504512 - Clamp (more info) About Mercury Marine $11.94 $11.94 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#39
54-815504220 CLAMP, Worm Gear (12 required per assembly)
(350 MAG MPI)
CLAMP 54-815504220 Larger photo - 54-815504220
54-815504220OEM Part 54-815504220 - Clamp (more info) About Mercury Marine $4.36 $4.36 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#40
54-815504222 CLAMP, Worm Gear (1.98 DIameter) (2 required per assembly)
(350 MAG MPI)
CLAMP Note: must be ordered in multiples of 5 54-815504222 Larger photo - 54-815504222
54-815504222OEM Part 54-815504222 - Clamp Note: Must Be Ordered In Multiples Of 5 (more info) About Mercury Marine $3.94 $3.94 Add to shopping cart
2 in stock. Explain stock levels
#41
54-815504232 CLAMP, Worm Gear (2.50 Diameter) (2 required per assembly)
(350 MAG MPI)
CLAMP 54-815504232 Larger photo - 54-815504232
54-815504232OEM Part 54-815504232 - Clamp (more info) About Mercury Marine $5.00 $2.82 Add to shopping cart
10+ in stock. Explain stock levels
#NS
19-807992 3 COVER, Hose Clamp End (AR required per assembly)
COVER-.375 @20    O - Replaced by 19-8M6500037
19-807992 3This part has been superseded. COVER-.375 @20 O - Replaced by 19-8M6500037
    UnavailableUnavailable Parts
COVER-CLAMP @20   O - Replaced by 19-8M0074364
19-8M6500037This part has been superseded. COVER-CLAMP @20 O - Replaced by 19-8M0074364
    UnavailableUnavailable Parts
COVER-CLAMP 0 19-8M0074364
198M0074364OEM Part 198M0074364 - COVER-CLAMP 0 (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
in 5-7 days
#-
27-75611A98 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET 27-75611A98 Larger photo - 27-75611A98
27-75611A98OEM Part 27-75611A98 - Gasket Set (more info) About Mercury Marine $458.75 $429.95 Add to shopping cart
Available to order:
Usually ships
in 5-7 days

Revise Search: Start Over > Different Engine Model > Different Serial Number Range > Different Component
YOU ARE HERE: MERCRUISER > 350 MAG MPI HORIZON MIE > 0L302200 THRU 0M299999 () > Closed Cooling System

« Previous | Next »
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