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Parts for MerCruiser 377 Mag MPI Alpha / Bravo EC Thermostat & Housing, Standard Cooling

#1 879172A11 HOUSING ASSEMBLY, Thermostat (1 required per assembly)
HOUSING ASSEMBLY Thermo 879172A11
879172A11

About Mercury Marine

OEM Part

879172A11 - Thermostat Housing [ More info ]

Add to shopping cart $167.09
Available to order: Usually ships within 8 days. Explain stock levels

#2 27-806871 GASKET (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

#3 22-32803 PLUG, Pipe (.375-18) Brass (3 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
3 in stock. 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
Available to order: Usually ships within 8 days. Explain stock levels

#4 25-8M2010475 GASKET, Poppet Cover (1 required per assembly)
GASKET Poppet Cover 27-8M2010475
 

About Mercury Marine

OEM Part

278M2010475 - Gasket [ More info ]

Add to shopping cart $0.80
Available to order: Usually ships within 8 days. Explain stock levels

#5 27-53045 1 GASKET (1 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
9 in stock. 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

#6 806490T SENDER (1 required per assembly) (Mechanical Throttle and Shift)
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
10+ in stock. Explain stock levels

#7 8M8020473 CAP, Thermostat (1 required per assembly)
CAP Thermostat    O - Replaced by -8M2003831
 

This part has been superseded.

8M8020473 - CAP Thermostat O [ More info ]
Unavailable
Replaced by -8M2003831
CAP-THERMOSTAT 8M2003831
 

About Mercury Marine

OEM Part

8M2003831 - Thermostat Cap [ More info ]

Add to shopping cart $20.00 $17.12
Available to order: Usually ships within 8 days. Explain stock levels

#8 10-28668 SCREW, (.250-20 x .875) Stainless Steel (3 required per assembly)
SCREW (.250-20 x .875) 10-28668
10-28668

About Mercury Marine

OEM Part

10-28668 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.20
10+ in stock. Explain stock levels

Screw,Wtr Pckt/Mr Alpha
18-3229

About Sierra Marine

OEM Match

18-3229-9 - Screw, 10-28668, 5PK [ More info ]

Add to shopping cart $9.95 $4.54
Available to order: Usually ships within 8 days. Explain stock levels

#9 22-806608A02 PLUG ASSEMBLY, (.500-13) Blue (1 required per assembly)
PLUG ASSEMBLY (.5  - Replaced by 22-8M0119211
22-806608A02

This part has been superseded.

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 (.5 [ More info ]

Add to shopping cart $7.00
8 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
10+ 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

#10 25-8M2000926 SEAL (1 required per assembly)
SEAL              O - Replaced by 25-26802
 

This part has been superseded.

25-8M2000926 - SEAL O [ More info ]
Unavailable
Replaced by 25-26802
O-RING (.424 x .103) 25-26802
25-26802

About Mercury Marine

OEM Part

25-26802 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.90
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring
18-7180

About Sierra Marine

OEM Match

18-7180-9 - O-Ring (PK5 ) 925055 [ More info ]

Add to shopping cart $14.95 $10.08
3 in stock. Explain stock levels

#11 24-64878 SPRING (1 required per assembly)
SPRING (Black) 24-64878
24-64878

About Mercury Marine

OEM Part

24-64878 - Spring [ More info ]

Add to shopping cart $4.70
10+ in stock. Explain stock levels

#12 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
7 in stock. Explain stock levels

#13 807252T 2 THERMOSTAT, 71°C (160°F) (1 required per assembly)
THERMOSTAT 71Degr O - Replaced by -8M0091470
807252T 2

This part has been superseded.

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

This part has been superseded.

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
3 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

#14 23-806922 SLEEVE (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
6 in stock. Explain stock levels

#15 8M2010186 POPPET (1 required per assembly)
POPPET 8M2010186
 

About Mercury Marine

OEM Part

8M2010186 - Poppet [ More info ]

Add to shopping cart $22.30 $19.10
Available to order: Usually ships within 8 days. Explain stock levels