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Parts for MerCruiser 350 Mag MPI Horizon MIE Thermostat & Housing

#1 863457A 2 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HOUSING ASSEMBLY Thermo 863457A 2
863457A 2

About Mercury Marine

OEM Part

863457A 2 - Thermostat Housing [ More info ]

Add to shopping cart $347.08
1 in stock. Explain stock levels

#6 805218T SENSOR (1 required per assembly)
SENSOR ASSY-TEMP 805218T
805218T

About Mercury Marine

OEM Part

805218T - Temperature Sensor [ More info ]

Add to shopping cart $49.91
In stock Explain stock levels

Coolant Temp Sensor
18-7600

About Sierra Marine

OEM Match

18-7600 - Sensor 805218T [ More info ]

Add to shopping cart $29.99 $24.52
4 in stock. Explain stock levels

#7 27-806871 GASKET, Thermostat Housing (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-806871
27-806871

About Mercury Marine

OEM Part

27-806871 - Gasket - Priced Individually [ More info ]

Add to shopping cart $7.00
10+ in stock. Explain stock levels

#8 807252T 2 THERMOSTAT, 71°C (160°F) (1 required per assembly)
807252T 2 - THERMOSTAT 71Degr O - Replaced by -8M0091470
807252T 2

This part has been superseded.

807252T 2 - 807252T 2 - THERMOSTAT 71Degr O [ More info ]
Unavailable
Replaced by -8M0091470
8M0091470 - THERMOSTAT 71Degr * - Replaced by -8M0109441
8M0091470

This part has been superseded.

8M0091470 - 8M0091470 - THERMOSTAT 71Degr * [ More info ]
Unavailable
Replaced by -8M0109441
THERMOSTAT 8M0109441
8M0109441

About Mercury Marine

OEM Part

8M0109441 - Thermostat, 160 Degree [ More info ]

Add to shopping cart $28.83
7 in stock. Explain stock levels

Thermostat  160Deg.
18-3649

About Sierra Marine

OEM Match

18-3649 - Thermostat, 160 Degree, 807252T2 [ More info ]

Add to shopping cart $25.99 $21.17
10+ in stock. Explain stock levels

#9 23-806922 SLEEVE, Thermostat (1 required per assembly)
SLEEVE 23-806922
23-806922

About Mercury Marine

OEM Part

23-806922 - Sleeve [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

#11 10-40107 75 SCREW, (M8 x 75) (2 required per assembly)
SCREW (M8 x 75) 10-40107 75
10-40107 75

About Mercury Marine

OEM Part

10-40107 75 - Screw [ More info ]

Add to shopping cart $9.40
Available to order: Usually ships within 8 days. Explain stock levels

#12 12552 LIFTING EYE (1 required per assembly)
LIFTING EYE 12552
12552

About Mercury Marine

OEM Part

12552 - Lifting Eye [ More info ]

Add to shopping cart $11.70
Available to order: Usually ships within 8 days. Explain stock levels

#13 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (1 required per assembly)
22-806608A 1 - PLUG KIT (.500-13 O - Replaced by 22-806608A02
22-806608A 1

This part has been superseded.

22-806608A 1 - 22-806608A 1 - PLUG KIT (.500-13 O [ More info ]
Unavailable
Replaced by 22-806608A02
22-806608A02 - PLUG ASSEMBLY (.5  - Replaced by 22-8M0119211
22-806608A02

This part has been superseded.

22-806608A02 - 22-806608A02 - PLUG ASSEMBLY (.5 [ More info ]
Unavailable
Replaced by 22-8M0119211
PLUG ASSEMBLY (.500-13) 22-8M0119211
 

About Mercury Marine

OEM Part

22-8M0119211 - Plug Assembly (.500-13) [ More info ]

Add to shopping cart $7.00
3 in stock. Explain stock levels

DRAIN PLUG
18-4226

About Sierra Marine

OEM Match

18-4226 - Blue Drain Plug, 22-806608A1 [ More info ]

Add to shopping cart $4.49 $2.97
1 in stock. Explain stock levels

PLUG KIT Note: must be ordered in multiples of 2   22806608Q01
22806608Q01

About Mercury Marine

OEM Part

22-806608Q01 - Plug Kit - Priced Individually [ More info ]

Add to shopping cart $7.00
Available to order: Usually ships within 8 days. Explain stock levels

#14 25-32509 O-RING, (.489 x .070) (1 required per assembly)
O-RING (.489 x .070) 25-32509
25-32509

About Mercury Marine

OEM Part

25-32509 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.50
10+ in stock. Explain stock levels

O-Ring
18-7165

About Sierra Marine

OEM Match

18-7165-9 - O-Ring (PK5) , 0304174 [ More info ]

Add to shopping cart $7.45 $4.08
2 in stock. Explain stock levels

#15 863708A 2 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HOUSING ASSEMBLY Thermo 863708A 2
863708A 2

About Mercury Marine

OEM Part

863708A 2 - Thermostat Housing Assembly [ More info ]

Add to shopping cart $321.16
Available to order: Usually ships within 8 days. Explain stock levels

#16 22-35580 FITTING, Elbow (1 required per assembly)
FITTING 22-35580
 

About Mercury Marine

OEM Part

22-35580 - Elbow [ More info ]

Add to shopping cart $6.40 $4.32
10+ in stock. Explain stock levels

#17 22-32803 PLUG, Pipe (.375-18) Brass (2 required per assembly)
PLUG Pipe (.375-18) Bra 22-32803
22-32803

About Mercury Marine

OEM Part

22-32803 - Plug [ More info ]

Add to shopping cart $4.80
Available to order: Usually ships within 8 days. Explain stock levels

Pipe Plug, 3/8-18 Npt Pipe
18-4264

About Sierra Marine

OEM Match

18-4264 - Pipe Plug, 3/8-18 NPT Pi [ More info ]

Add to shopping cart $3.99 $3.41
6 in stock. Explain stock levels

#18 25-807134 1 SEAL, Thermostat (1 required per assembly)
SEAL 25-807134  1
25-807134  1

About Mercury Marine

OEM Part

25-807134 1 - Thermostat Seal [ More info ]

Add to shopping cart $9.90
Available to order: Usually ships within 8 days. Explain stock levels

#19 27-53045 1 GASKET, Thermostat Housing (2 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-53045  1
27-53045  1

About Mercury Marine

OEM Part

27-53045 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.80
10+ in stock. Explain stock levels

Thermostat Gasket
18-2917

About Sierra Marine

OEM Match

18-2917-9 - Gasket 27-530451 2-Pack [ More info ]

Add to shopping cart $5.98 $3.65
Available to order: Usually ships within 8 days. Explain stock levels

GASKET   27 53045Q01
27 53045Q01

About Mercury Marine

OEM Part

27-53045Q01 - Gasket [ More info ]

Add to shopping cart $4.00
Available to order: Usually ships within 8 days. Explain stock levels

#20 805218 SENSOR, Temperature (1 required per assembly)
805218 - SENSOR            O - Replaced by -805218T
 

This part has been superseded.

805218 - 805218 - SENSOR O [ More info ]
Unavailable
Replaced by -805218T
#21 806490T SENDER, Temperature (1 required per assembly)
SENDER 806490T
806490T

About Mercury Marine

OEM Part

806490T - Water Temperature Sender [ More info ]

Add to shopping cart $28.75
2 in stock. Explain stock levels

Temperature Sender
18-5897

About Sierra Marine

OEM Match

18-5897 - Sender, 97257A1 [ More info ]

Add to shopping cart $26.99 $20.86
Available to order: Usually ships within 8 days. Explain stock levels

#21 49734 SENDER, Water Temperature, Dual Station (OPT required per assembly)
SENDER ASSY 49734
49734

About Mercury Marine

OEM Part

49734 - Sender Assembly [ More info ]

Add to shopping cart $65.66
2 in stock. Explain stock levels

#22 13-26996 LOCKWASHER, (#10) Stainless Steel (1 required per assembly)
LOCKWASHER (#10) Stainl 13-26996
 

About Mercury Marine

OEM Part

13-26996 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#23 11-68219 NUT, (#10-32) Stainless Steel (1 required per assembly)
NUT (#10-32) Stainless 11-68219
 

About Mercury Marine

OEM Part

11-68219 - Nut - Priced Individually [ More info ]

Add to shopping cart $2.10
10+ in stock. Explain stock levels

#24 99155 1 THERMOSTAT (1 required per assembly)
THERMOSTAT 99155  1
99155  1

About Mercury Marine

OEM Part

99155 1 - Thermostat [ More info ]

Add to shopping cart $20.59
Available to order: Usually ships within 8 days. Explain stock levels

THERMOSTAT KIT      99155T 1
99155T 1

About Mercury Marine

OEM Part

99155T 1 - Thermostat Kit [ More info ]

Add to shopping cart $22.00
Available to order: Usually ships within 8 days. Explain stock levels

#25 807075 COVER, Thermostat Housing (1 required per assembly)
807075 - COVER             O - Replaced by -807075A 1
 

This part has been superseded.

807075 - 807075 - COVER O [ More info ]
Unavailable
Replaced by -807075A 1
COVER KIT-THERMOS 807075A 1
807075A 1

About Mercury Marine

OEM Part

807075A 1 - Thermostat Cover Kit [ More info ]

Add to shopping cart $161.58
1 in stock. Explain stock levels

#26 22-818390 DRAIN COCK (1 required per assembly)
DRAIN COCK 22-818390
 

About Mercury Marine

OEM Part

22-818390 - Plug Assembly [ More info ]

Add to shopping cart $17.70 $15.15
Available to order: Usually ships within 8 days. Explain stock levels

#27 10-29198 SCREW AND LOCKWASHER, (.312-18 x .875) (2 required per assembly)
SCREW AND LOCKWASHER (. 10-29198
10-29198

About Mercury Marine

OEM Part

10-29198 - Screw w/ Lw - Priced Individually [ More info ]

Add to shopping cart $3.00 $2.03
10+ in stock. Explain stock levels

#28 10-40011151 SCREW, (M8 x 35) Stainless Steel (2 required per assembly)
SCREW (M8 x 35) Stainle 10-40011151
10-40011151

About Mercury Marine

OEM Part

10-40011151 - Screw [ More info ]

Add to shopping cart $3.40
Available to order: Usually ships within 8 days. Explain stock levels

#29 23-863874 SLEEVE, Water (1 required per assembly)
SLEEVE Water 23-863874
 

About Mercury Marine

OEM Part

23-863874 - Sleeve [ More info ]

Add to shopping cart $31.80 $27.24
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-861246A98 GASKET SET, Engine Overhaul (1 required per assembly)
27-861246A98 - GASKET SET        O - Replaced by 27-861246A05
 

This part has been superseded.

27-861246A98 - 27-861246A98 - GASKET SET O [ More info ]
Unavailable
Replaced by 27-861246A05
GASKET SET 27-861246A05
27-861246A05

About Mercury Marine

OEM Part

27-861246A05 - Gasket Set [ More info ]

Add to shopping cart $599.91
Available to order: Usually ships within 8 days. Explain stock levels