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Parts for MerCruiser 8.1L TowSport (Base) Cooling System, Fresh Water Components

#1 863771T CROSSOVER, Coolant (1 required per assembly)
CROSSOVER-COOLANT 863771T
 

About Mercury Marine

OEM Part

863771T - Crossover-Coolant [ More info ]

Add to shopping cart $392.79
Available to Order: Usually ships within 10 days.

#2 27-881620001 GASKET, Cylinder Head to Crossover (2 required per assembly)
GASKET 27-881620001
27-881620001

About Mercury Marine

OEM Part

27-881620001 - Cylinder Head To Crossover Gasket [ More info ]

Add to shopping cart $33.25
In Stock

#3 10-881593 SCREW, (M10 x 30) (4 required per assembly)
BOLT 10-881593
10-881593

About Mercury Marine

OEM Part

10-881593 - Bolt [ More info ]

Add to shopping cart $13.80
Available to Order: Usually ships within 10 days.

#4 26-861947 SEAL (1 required per assembly)
SEAL 26-861947
26-861947

About Mercury Marine

OEM Part

26-861947 - Seal [ More info ]

Add to shopping cart $42.42
In Stock

#5 10-863609 SCREW, (M6 x 14) (2 required per assembly)
SCREW (M6 x 14) 10-863609
10-863609

About Mercury Marine

OEM Part

10-863609 - Screw [ More info ]

Add to shopping cart $1.90
Available to Order: Usually ships within 10 days.

#6 22-12524 PLUG, (.375-18 x .475) Brass (2 required per assembly)
PLUG (.375-18 x .475) B 22-12524
22-12524

About Mercury Marine

OEM Part

22-12524 - Plug [ More info ]

Add to shopping cart $4.90
Available to Order: Usually ships within 10 days.

#7 805218T SENSOR, Coolant (1 required per assembly)
SENSOR ASSY-TEMP 805218T
805218T

About Mercury Marine

OEM Part

805218T - Temperature Sensor [ More info ]

Add to shopping cart $67.58
In Stock

COOLANT TEMP SENSOR
18-7600

About Sierra Marine

OEM Match

18-7600 - Sensor 805218T [ More info ]

Add to shopping cart $57.49 $52.08
4 In Stock.

COOLANT TEMP SENSOR
E13-0009

About CDI Electronics

OEM Match

E13-0009 - Coolant Temp Sensor [ More info ]

Add to shopping cart $33.55 $32.41
1 In Stock.

#8 806490T SENDER, Temperature (1 required per assembly)
SENDER-WATER TEMP 806490T
806490T

About Mercury Marine

OEM Part

806490T - Water Temperature Sender [ More info ]

Add to shopping cart $39.50
6 In Stock.

TEMPERATURE SENDER
18-5897

About Sierra Marine

OEM Match

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

Add to shopping cart $35.99 $32.24
10+ In Stock.

#9 863358T THERMOSTAT, 71°C (160°F) (1 required per assembly)
863358T - THERMOSTAT 71C (1  - Replaced by -8M0076464
863358T

863358T - Thermostat, 160 Degrees, 8M0076464 [ More info ]
Unavailable
THERMOSTAT-160DEG 8M0076464
8M0076464

About Mercury Marine

OEM Part

8M0076464 - Thermostat, 160 Degrees [ More info ]

Add to shopping cart $37.00
In Stock

THERMOSTAT
18-43017

About Sierra Marine

OEM Match

18-43017 - Thermostat, 160 Degrees, S985009, 863358, 863358T [ More info ]

Add to shopping cart $27.99 $24.59
In Stock

#10 25-865078 SEAL, Thermostat (1 required per assembly)
SEAL-THERMOSTAT 25-865078
25-865078

About Mercury Marine

OEM Part

25-865078 - Thermostat Seal [ More info ]

Add to shopping cart $14.50
Available to Order: Usually ships within 10 days.

#11 861949T RETAINER, Thermostat (1 required per assembly)
RETAINER-T STAT 861949T
861949T

About Mercury Marine

OEM Part

861949T - Retainer -t Stat [ More info ]

Add to shopping cart $43.08
Available to Order: Usually ships within 10 days.

#12 12-12038 WASHER (2 required per assembly)
128M0207778 12-12038
 

About Mercury Marine

OEM Part

12-12038 - Washer [ More info ]

Add to shopping cart $2.30
5 In Stock.

WASHER 12-8M0207778
 

About Mercury Marine

OEM Part

12-8M0207778 - WASHER Note: Priced Individually [ More info ]

Add to shopping cart $9.70
Available to Order: Usually ships within 10 days.

#13 10-40003 54 SCREW, (M8 x 30) (2 required per assembly)
SCREW 10-40003 54
10-40003 54

About Mercury Marine

OEM Part

10-40003 54 - Screw - Priced Individually [ More info ]

Add to shopping cart $4.60
3 In Stock.

#14 26-865066 SEAL, Heat Exchanger to Crossover (2 required per assembly)
SEAL-HEAT EX. X-O 26-865066
26-865066

About Mercury Marine

OEM Part

26-865066 - Heat Exchanger Seal [ More info ]

Add to shopping cart $18.40
In Stock

#15 863903A01 HEAT EXCHANGER (1 required per assembly)
EXCHANGER-HEAT 863903A01
863903A01

About Mercury Marine

OEM Part

863903A01 - Heat Exchanger [ More info ]

Add to shopping cart $1,851.36
In Stock

#NS 37-863355 DECAL, Caution, Heat Exchanger (1 required per assembly)
DECAL CAUTION 37-863355
 

About Mercury Marine

OEM Part

37-863355 - Decal Caution [ More info ]

Add to shopping cart $2.60
Available to Order: Usually ships within 10 days.

#16 863392 PAD, Heat Exchanger (2 required per assembly)
PAD 863392
863392

About Mercury Marine

OEM Part

863392 - Pad [ More info ]

Add to shopping cart $7.50
2 In Stock.

#17 22-62910 1 FITTING, Elbow - 90 Degree (.125-27) (1 required per assembly)
ELBOW 22-62910  1
22-62910  1

About Mercury Marine

OEM Part

22-62910 1 - Elbow [ More info ]

Add to shopping cart $12.90
Available to Order: Usually ships within 10 days.

#18 54-8M2001496 CLAMP, Worm Gear (2 required per assembly)
54-8M2001496 - CLAMP Worm Gear    - Replaced by 54-815504280
 

54-8M2001496 - Clamp [ More info ]
Unavailable
CLAMP Worm Gear 54-815504280
 

About Mercury Marine

OEM Part

54-815504280 - Clamp [ More info ]

Add to shopping cart $7.80
Available to Order: Usually ships within 10 days.

#19 32-863303 HOSE, Coolant Bleed (1 required per assembly)
HOSE-MOLDED 32-863303
 

About Mercury Marine

OEM Part

32-863303 - Molded Hose [ More info ]

Add to shopping cart $43.65
Available to Order: Usually ships within 10 days.

#20 54-8M2001485 CLAMP, Worm Gear (12 - 20 mm) (2 required per assembly)
54-8M2001485 - CLAMP Worm Gear (  - Replaced by 54-815504105
 

54-8M2001485 - Clamp [ More info ]
Unavailable
CLAMP Worm Gear (11-18 54-815504105
 

About Mercury Marine

OEM Part

54-815504105 - Clamp [ More info ]

Add to shopping cart $3.90
Available to Order: Usually ships within 10 days.

#21 861944A 1 RESERVOIR, Coolant (1 required per assembly)
RESERVOIR ASSY 861944A 1
861944A 1

About Mercury Marine

OEM Part

861944A 1 - Reservoir Assembly [ More info ]

Add to shopping cart $231.33
Available to Order: Usually ships within 10 days.

#22 862863 CAP, Coolant Reservoir (1 required per assembly)
CAP-RESERVOIR 862863
862863

About Mercury Marine

OEM Part

862863 - Reservoir Cap [ More info ]

Add to shopping cart $19.42
Available to Order: Usually ships within 10 days.

#23 32-863304 HOSE, Reservoir to Crossover (1 required per assembly)
HOSE 32-863304
 

About Mercury Marine

OEM Part

32-863304 - Hose - Reservoir To Crossover [ More info ]

Add to shopping cart $14.80
Available to Order: Usually ships within 10 days.

#24 54-815504212 CLAMP, Worm Gear (2 required per assembly)
CLAMP Worm Gear 54-815504212
 

About Mercury Marine

OEM Part

54-815504212 - Clamp [ More info ]

Add to shopping cart $5.70
Available to Order: Usually ships within 10 days.

#25 22-855214 1 FITTING, Straight Hose (1 required per assembly)
22-855214  1 - FITTING
22-855214  1

About Mercury Marine

OEM Part

22-855214 1 - Fitting [ More info ]
Unavailable
#26 10-863388 SCREW, (M10 x 16) (3 required per assembly)
SCREW (M10X16) 10-863388
10-863388

About Mercury Marine

OEM Part

10-863388 - Screw (M10X16) [ More info ]

Add to shopping cart $13.90
Available to Order: Usually ships within 10 days.

#27 862986 BRACKET, Coolant Reservoir (1 required per assembly)
BRACKET 862986
862986

About Mercury Marine

OEM Part

862986 - Bracket [ More info ]

Add to shopping cart $49.92
Available to Order: Usually ships within 10 days.

#28 10-818934 12 SCREW, (M8 x 12) (3 required per assembly)
SCREW (M8 x 12) 10-818934 12
10-818934 12

About Mercury Marine

OEM Part

10-818934 12 - Screw [ More info ]

Add to shopping cart $3.50
Available to Order: Usually ships within 10 days.

#29 32-865221 HOSE, Crossover to Pump (1 required per assembly)
HOSE 32-865221
 

About Mercury Marine

OEM Part

32-865221 - Hose - Crossover To Pump [ More info ]

Add to shopping cart $41.83
Available to Order: Usually ships within 10 days.

#30 54-8M2001490 CLAMP, Worm Gear (2 required per assembly)
54-8M2001490 - CLAMP Worm Gear    - Replaced by 54-815504232
 

54-8M2001490 - Clamp [ More info ]
Unavailable
CLAMP Worm Gear (2.50 D 54-815504232
54-815504232

About Mercury Marine

OEM Part

54-815504232 - Clamp [ More info ]

Add to shopping cart $8.60
10+ In Stock.

#31 54-865373 CLAMP, Hose (1 required per assembly)
54-865373 - CLAMP              - Replaced by -815504221
 

54-865373 - Hose Clamp [ More info ]
Unavailable
CLAMP 54-815504221
54-815504221

About Mercury Marine

OEM Part

54-815504221 - Clamp [ More info ]

Add to shopping cart $6.60
Available to Order: Usually ships within 10 days.

#32 891717 COVER, Heat Exchanger End (2 required per assembly) Use With 3.75 Inch Diameter Heat Exchanger
COVER-H/E 891717
891717

About Mercury Marine

OEM Part

891717 - Cover [ More info ]

Add to shopping cart $98.00
Available to Order: Usually ships within 10 days.

#33 27-891716 GASKET, Heat Exchanger Cover (2 required per assembly) Use With 3.75 Inch Diameter Heat Exchanger
GASKET 27-891716
27-891716

About Mercury Marine

OEM Part

27-891716 - Heat Exchanger Gasket [ More info ]

Add to shopping cart $18.50
2 In Stock.

#34 25-814878 O-RING, Special (2 required per assembly)
25-814878 - O-RING Special     - Replaced by 25-8M0039163
 

25-814878 - O-Ring [ More info ]
Unavailable
O RING 25-8M0039163
25-8M0039163

About Mercury Marine

OEM Part

25-8M0039163 - O-ring, (3/8 X 1/8) [ More info ]

Add to shopping cart $8.50
10+ In Stock.

#35 10-98261 SCREW, (.375-16 x .750) (2 required per assembly)
SCREW (.375-16 x .750) 10-98261
10-98261

About Mercury Marine

OEM Part

10-98261 - Screw [ More info ]

Add to shopping cart $1.20
7 In Stock.

#N.S. 19-807992 3 COVER, Hose Clamp End (AR required per assembly)
198M6500037 19-807992  3
 

About Mercury Marine

OEM Part

19-807992 3 - Cover-.375 - Priced Individually [ More info ]

Add to shopping cart $0.58
4 In Stock.

198M0074364 19-8M6500037
 

About Mercury Marine

OEM Part

198M0074364 [ More info ]

Add to shopping cart $0.50
10+ In Stock.

COVER-CLAMP 19-8M0074364
 

About Mercury Marine

OEM Part

198M0074364 - Cover-Clamp - Priced Individually [ More info ]

Add to shopping cart $3.20 $2.72
10+ In Stock.


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