Parts for MerCruiser 8.1L TowSport (Base) Cooling System, Fresh Water Components
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 863771T | CROSSOVER, Coolant (1 required per assembly) |
#2 | 27-881620001 | GASKET, Cylinder Head to Crossover (2 required per assembly) |
27-881620001 - Cylinder Head To Crossover Gasket [ More info ] |
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#3 | 10-881593 | SCREW, (M10 x 30) (4 required per assembly) |
#4 | 26-861947 | SEAL (1 required per assembly) |
#5 | 10-863609 | SCREW, (M6 x 14) (2 required per assembly) |
#6 | 22-12524 | PLUG, (.375-18 x .475) Brass (2 required per assembly) |
#7 | 805218T | SENSOR, Coolant (1 required per assembly) |
#8 | 806490T | SENDER, Temperature (1 required per assembly) |
#9 | 863358T | THERMOSTAT, 71°C (160°F) (1 required per assembly) |
863358T - Thermostat, 160 Degrees, 8M0076464 [ More info ] Unavailable |
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18-43017 - Thermostat, 160 Degrees, S985009, 863358, 863358T [ More info ] |
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#10 | 25-865078 | SEAL, Thermostat (1 required per assembly) |
#11 | 861949T | RETAINER, Thermostat (1 required per assembly) |
#12 | 12-12038 | WASHER (2 required per assembly) |
12-8M0207778 - WASHER Note: Priced Individually [ More info ] |
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#13 | 10-40003 54 | SCREW, (M8 x 30) (2 required per assembly) |
#14 | 26-865066 | SEAL, Heat Exchanger to Crossover (2 required per assembly) |
#15 | 863903A01 | HEAT EXCHANGER (1 required per assembly) |
#NS | 37-863355 | DECAL, Caution, Heat Exchanger (1 required per assembly) |
#16 | 863392 | PAD, Heat Exchanger (2 required per assembly) |
#17 | 22-62910 1 | FITTING, Elbow - 90 Degree (.125-27) (1 required per assembly) |
#18 | 54-8M2001496 | CLAMP, Worm Gear (2 required per assembly) |
54-8M2001496 - Clamp [ More info ] Unavailable |
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#19 | 32-863303 | HOSE, Coolant Bleed (1 required per assembly) |
#20 | 54-8M2001485 | CLAMP, Worm Gear (12 - 20 mm) (2 required per assembly) |
54-8M2001485 - Clamp [ More info ] Unavailable |
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#21 | 861944A 1 | RESERVOIR, Coolant (1 required per assembly) |
#22 | 862863 | CAP, Coolant Reservoir (1 required per assembly) |
#23 | 32-863304 | HOSE, Reservoir to Crossover (1 required per assembly) |
#24 | 54-815504212 | CLAMP, Worm Gear (2 required per assembly) |
#25 | 22-855214 1 | FITTING, Straight Hose (1 required per assembly) |
22-855214 1 - Fitting [ More info ] Unavailable |
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#26 | 10-863388 | SCREW, (M10 x 16) (3 required per assembly) |
#27 | 862986 | BRACKET, Coolant Reservoir (1 required per assembly) |
#28 | 10-818934 12 | SCREW, (M8 x 12) (3 required per assembly) |
#29 | 32-865221 | HOSE, Crossover to Pump (1 required per assembly) |
#30 | 54-8M2001490 | CLAMP, Worm Gear (2 required per assembly) |
54-8M2001490 - Clamp [ More info ] Unavailable |
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#31 | 54-865373 | CLAMP, Hose (1 required per assembly) |
54-865373 - Hose Clamp [ More info ] Unavailable |
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#32 | 891717 | COVER, Heat Exchanger End (2 required per assembly) Use With 3.75 Inch Diameter Heat Exchanger |
#33 | 27-891716 | GASKET, Heat Exchanger Cover (2 required per assembly) Use With 3.75 Inch Diameter Heat Exchanger |
#34 | 25-814878 | O-RING, Special (2 required per assembly) |
25-814878 - O-Ring [ More info ] Unavailable |
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#35 | 10-98261 | SCREW, (.375-16 x .750) (2 required per assembly) |
#N.S. | 19-807992 3 | COVER, Hose Clamp End (AR required per assembly) |
19-807992 3 - Cover-.375 - Priced Individually [ More info ] |
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198M0074364 [ More info ] |
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198M0074364 - Cover-Clamp - Priced Individually [ More info ] |