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Parts for MerCruiser 496 Mag (Base Model) Cooling System, Fresh Water Components

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

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OEM Part

863771T - Crossover-Coolant [ More info ]

Add to shopping cart $321.75
Available to order: Usually ships within 8 days. Explain stock levels

#2 27-881620 GASKET, Cylinder Head to Crossover (2 required per assembly)
27-881620 - GASKET            O - Replaced by 27-881620001
 

This part has been superseded.

27-881620 - 27-881620 - GASKET O [ More info ]
Unavailable
Replaced by 27-881620001
GASKET 27-881620001
27-881620001

About Mercury Marine

OEM Part

27-881620001 - Gasket [ More info ]

Add to shopping cart $22.08
Available to order: Usually ships within 8 days. Explain stock levels

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

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OEM Part

10-881593 - Bolt [ More info ]

Add to shopping cart $7.30
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

26-861947 - Seal [ More info ]

Add to shopping cart $35.30 $30.22
Available to order: Usually ships within 8 days. Explain stock levels

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

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OEM Part

10-863609 - Screw [ More info ]

Add to shopping cart $1.50
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

22-12524 - Plug [ More info ]

Add to shopping cart $3.70
Available to order: Usually ships within 8 days. Explain stock levels

#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 $49.91
2 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 $30.49 $25.80
6 in stock. Explain stock levels

#8 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
5 in stock. Explain stock levels

Temperature Sender
18-5897

About Sierra Marine

OEM Match

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

Add to shopping cart $27.54 $22.19
10+ in stock. Explain stock levels

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

This part has been superseded.

863358T - 863358T - THERMOSTAT 71C (1 O [ More info ]
Unavailable
Replaced by -8M0076464
THERMOSTAT 71°C (160° 8M0076464
8M0076464

About Mercury Marine

OEM Part

8M0076464 - Thermostat -160 Degree [ More info ]

Add to shopping cart $22.08
Available to order: Usually ships within 8 days. Explain stock levels

THERMOSTAT
18-43017

About Sierra Marine

OEM Match

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

Add to shopping cart $20.99 $18.12
2 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

25-865078 - Thermostat Seal [ More info ]

Add to shopping cart $10.00
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

861949T - Retainer -t Stat [ More info ]

Add to shopping cart $32.91
Available to order: Usually ships within 8 days. Explain stock levels

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

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OEM Part

12-12038 - Washer [ More info ]

Add to shopping cart $1.60
4 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

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

Add to shopping cart $3.40
4 in stock. Explain stock levels

#14 26-865066 SEAL, Heat Exchanger to Crossover (2 required per assembly)
SEAL 26-865066
26-865066

About Mercury Marine

OEM Part

26-865066 - Heat Exchanger Seal [ More info ]

Add to shopping cart $12.40
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

863903A01 - Heat Exchanger [ More info ]

Add to shopping cart $1,297.14
In stock Explain stock levels

#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 $1.80
Available to order: Usually ships within 8 days. Explain stock levels

#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 $5.70
1 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

22-62910 1 - Elbow [ More info ]

Add to shopping cart $9.70
2 in stock. Explain stock levels

#18 54-815504280 CLAMP, Worm Gear, Hose (2 required per assembly)
CLAMP Worm Gear 54-815504280
 

About Mercury Marine

OEM Part

54-815504280 - Clamp [ More info ]

Add to shopping cart $6.00
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

32-863303 - Molded Hose [ More info ]

Add to shopping cart $48.90 $41.87
Available to order: Usually ships within 8 days. Explain stock levels

#20 54-815504206 CLAMP, Worm Gear, Hose (2 required per assembly)
CLAMP Worm Gear 54-815504206
 

About Mercury Marine

OEM Part

54-815504206 - Clamp [ More info ]

Add to shopping cart $4.90
Available to order: Usually ships within 8 days. Explain stock levels

#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 $169.33
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

862863 - Reservoir Cap [ More info ]

Add to shopping cart $17.60 $15.07
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

32-863304 - Hose [ More info ]

Add to shopping cart $11.00
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

54-815504212 - Clamp [ More info ]

Add to shopping cart $4.30
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

22-855214 1 - Fitting [ More info ]

Add to shopping cart $26.50
Available to order: Usually ships within 8 days. Explain stock levels

#26 10-863388 SCREW, (M10 x 16) (3 required per assembly)
SCREW (M10 x 16) 10-863388
10-863388

About Mercury Marine

OEM Part

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

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

#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 $39.25
Available to order: Usually ships within 8 days. Explain stock levels

#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 $2.70
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

32-865221 - Hose [ More info ]

Add to shopping cart $31.91
Available to order: Usually ships within 8 days. Explain stock levels

#30 54-815504232 CLAMP, Worm Gear (2.50 Diameter), Hose (2 required per assembly)
CLAMP Worm Gear (2.50 D 54-815504232
54-815504232

About Mercury Marine

OEM Part

54-815504232 - Clamp [ More info ]

Add to shopping cart $6.40 $3.58
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

54-865373 - Hose Clamp [ More info ]

Add to shopping cart $5.00
Available to order: Usually ships within 8 days. Explain stock levels

#32 891717 COVER, Heat Exchanger End (2 required per assembly) (Use W/ 3.75 In Dia. Heat Exchanger)
COVER 891717
891717

About Mercury Marine

OEM Part

891717 - Cover -h/E [ More info ]

Add to shopping cart $70.34
1 in stock. Explain stock levels

#33 27-891716 GASKET, Heat Exchanger Cover (2 required per assembly) (Use W/ 3.75 In. Dia. Heat Exchanger)
GASKET Note: must be ordered in multiples of 2 27-891716
27-891716

About Mercury Marine

OEM Part

27-891716 - Gasket - Priced Individually [ More info ]

Add to shopping cart $13.00
4 in stock. Explain stock levels

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

This part has been superseded.

25-814878 - 25-814878 - O-RING Special O [ More info ]
Unavailable
Replaced by 25-8M0039163
O-RING (3/8 x 1/8) 25-8M0039163
 

About Mercury Marine

OEM Part

25-8M0039163 - O-Ring [ More info ]

Add to shopping cart $6.10
Available to order: Usually ships within 8 days. Explain stock levels

#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 $0.80
Available to order: Usually ships within 8 days. Explain stock levels

#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 $0.53
10+ in stock. Explain stock levels

19-8M6500037 - COVER             O - Replaced by 19-8M0074364
 

This part has been superseded.

19-8M6500037 - 19-8M6500037 - COVER O [ More info ]
Unavailable
Replaced by 19-8M0074364
CAP 19-8M0074364
 

About Mercury Marine

OEM Part

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

Add to shopping cart $2.20
10+ in stock. Explain stock levels