Parts for MerCruiser 496 Mag (H.O. Model) Closed Cooling System

Revise Search: All Models > 496 Mag (H.O. Model) > 0M025000 - 0M687143 > Closed Cooling System

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Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	863771T	CROSSOVER, Coolant (1 required per assembly)
		863771T - Crossover-Coolant [ More info ] $408.49 Available to Order: Shipping delay up to 10 days.
#2	27-881620	GASKET, Cylinder Head to Crossover (2 required per assembly)
		27-881620 - Cylinder Head To Crossover Gasket [ More info ] Unavailable
		27-881620001 - Cylinder Head To Crossover Gasket [ More info ] $40.99 In Stock
#3	10-881593	SCREW, (M10 x 30) (4 required per assembly)
		10-881593 - Bolt [ More info ] $14.39 Available to Order: Shipping delay up to 10 days.
#4	26-861947	SEAL (1 required per assembly)
		26-861947 - Seal [ More info ] $44.49 In Stock
#5	10-863609	SCREW, (M6 x 14) (2 required per assembly)
		10-863609 - Screw [ More info ] $1.99 Available to Order: Shipping delay up to 10 days.
#6	22-12524	PLUG, (.375-18 x .475) Brass (2 required per assembly)
		22-12524 - Plug [ More info ] $5.09 Available to Order: Shipping delay up to 10 days.
#7	805218T	SENSOR (1 required per assembly)
		805218T - Temperature Sensor [ More info ] $80.99 $69.49 In Stock
		18-7600 - Sensor 805218T [ More info ] $57.49 $56.90 1 In Stock.
		75-03752 - Temperature Sensor [ More info ] $58.99 $45.11 1 In Stock.
#8	806490T	SENDER, Temerature (1 required per assembly)
		806490T - Water Temperature Sender [ More info ] $41.49 In Stock
		18-5897 - Sender, 97257A1 [ More info ] $36.01 7 In Stock.
#9	863358T	THERMOSTAT, 71Â°C (160Â°F) (1 required per assembly)
		863358T - Thermostat, 160 Degrees, 8M0076464 [ More info ] Unavailable
		8M0076464 - Thermostat, 160 Degrees [ More info ] $40.99 $39.49 In Stock
		18-43017 - Thermostat, 160 Degrees, S985009, 863358, 863358T [ More info ] $29.18 2 In Stock.
#10	25-865078	SEAL, Thermostat (1 required per assembly)
		25-865078 - Thermostat Seal [ More info ] $15.09 Available to Order: Shipping delay up to 10 days.
#11	861949T	RETAINER, Thermostat (1 required per assembly)
		861949T - Retainer -t Stat [ More info ] $44.99 Available to Order: Shipping delay up to 10 days.
#12	12-12038	WASHER (2 required per assembly)
		12-12038 - Washer [ More info ] $2.30 3 In Stock.
		12-8M0207778 - WASHER Note: Priced Individually [ More info ] $11.89 5 In Stock.
#13	10-40003 54	SCREW, (M8 x 30) (2 required per assembly)
		10-40003 54 - Screw - Priced Individually [ More info ] $4.79 7 In Stock.
#14	26-865066	SEAL, Heat Exchanger to Crossover (2 required per assembly)
		26-865066 - Heat Exchanger Seal [ More info ] $19.09 In Stock
#15	863903T	HEAT EXCHANGER (1 required per assembly)
		863903T - EXCHANGER-HEAT [ More info ] Unavailable
		863903A01 - Heat Exchanger [ More info ] $2,079.99 In Stock
#NS	37-863355	DECAL, Caution, Heat Exchanger (1 required per assembly)
		37-863355 - Decal Caution [ More info ] $2.69 Available to Order: Shipping delay up to 10 days.
#16	863392	PAD, Heat Exchanger (2 required per assembly)
		863392 - Pad [ More info ] $7.79 1 In Stock.
#17	22-62910 1	FITTING, Elbow - 90 Degree (.125-27) (1 required per assembly)
		22-62910 1 - Elbow [ More info ] $13.39 Available to Order: Shipping delay up to 10 days.
#18	54-815504280	CLAMP, Worm Gear, Hose (2 required per assembly)
		54-815504280 - Clamp [ More info ] $8.09 Available to Order: Shipping delay up to 10 days.
#19	32-863303	HOSE, Coolant Bleed (1 required per assembly)
		32-863303 - Molded Hose [ More info ] $52.99 Available to Order: Shipping delay up to 10 days.
#20	54-815504206	CLAMP, Worm Gear, Hose (2 required per assembly)
		54-815504206 - Clamp [ More info ] $6.79 Available to Order: Shipping delay up to 10 days.
#21	861944A 1	RESERVOIR, Coolant (1 required per assembly)
		861944A 1 - Reservoir Assembly [ More info ] $283.49 Available to Order: Shipping delay up to 10 days.
#22	862863	CAP, Coolant Reservoir (1 required per assembly)
		862863 - Reservoir Cap [ More info ] $20.19 Available to Order: Shipping delay up to 10 days.
#23	32-863304	HOSE, Reservoir to Crossover (1 required per assembly)
		32-863304 - Hose - Reservoir To Crossover [ More info ] $15.39 Available to Order: Shipping delay up to 10 days.
#24	54-815504212	CLAMP, Worm Gear, Hose (2 required per assembly)
		54-815504212 - Clamp [ More info ] Unavailable
#25	22-855214 1	FITTING, Straight Hose (1 required per assembly)
		22-855214 1 - Fitting [ More info ] Unavailable
#26	10-863388	SCREW, (M10 x 16) (3 required per assembly)
		10-863388 - Screw (M10X16) [ More info ] $14.49 Available to Order: Shipping delay up to 10 days.
#27	862986	BRACKET, Coolant Reservoir (1 required per assembly)
		862986 - Bracket [ More info ] $51.99 Available to Order: Shipping delay up to 10 days.
#28	10-818934 12	SCREW, (M8 x 12) (3 required per assembly)
		10-818934 12 - Screw [ More info ] $3.59 Available to Order: Shipping delay up to 10 days.
#29	32-861952 1	HOSE, Crossover to Pump (1 required per assembly)
		32-861952 1 - Hose [ More info ] $65.99 Available to Order: Shipping delay up to 10 days.
#30	54-815504232	CLAMP, Worm Gear (2.50 Diameter), Hose (2 required per assembly)
		54-815504232 - Clamp [ More info ] $8.89 10+ In Stock.
#31	54-865373	CLAMP, Hose (1 required per assembly)
		54-865373 - Hose Clamp [ More info ] Unavailable
		54-815504221 - Clamp [ More info ] $6.89 Available to Order: Shipping delay up to 10 days.
#32	814875	COVER, Heat Exchanger End (2 required per assembly) (Use W/ 4 In. Dia. Heat Exchanger)
		814875 - End Cover [ More info ] Unavailable
		8M0036623 - Cap -end [ More info ] $104.99 Available to Order: Shipping delay up to 10 days.
#32	891717	COVER, Heat Exchanger End (2 required per assembly) (Use W/ 3.75 In Dia. Heat Exchanger)
		891717 - Cover [ More info ] $101.99 Available to Order: Shipping delay up to 10 days.
#33	27-803644	GASKET, Heat Exchanger Cover (2 required per assembly) (Use W/ 4 In. Dia. Heat Exchanger)
		27-803644 - End Cover Gasket [ More info ] Unavailable
		27-8M0036987 - Heat Exchanger End Gasket [ More info ] $21.99 In Stock
#33	27-891716	GASKET, Heat Exchanger Cover (2 required per assembly) (Use W/ 3.75 In. Dia. Heat Exchanger)
		27-891716 - Heat Exchanger Gasket, priced individually [ More info ] $19.19 5 In Stock.
#34	25-814878	O-RING, Special (2 required per assembly)
		25-814878 - O-Ring [ More info ] Unavailable
		25-8M0039163 - O-ring, (3/8 X 1/8) [ More info ] $8.79 2 In Stock.
#35	10-98261	SCREW, (.375-16 x .750) (2 required per assembly)
		10-98261 - Screw [ More info ] $1.20 5 In Stock.
#N.S.	19-807992 3	COVER, Hose Clamp End (AR required per assembly)
		19-807992 3 - Cover-.375 - Priced Individually [ More info ] $0.58 4 In Stock.
		198M0074364 [ More info ] Unavailable
		198M0074364 - Cover-Clamp - Priced Individually [ More info ] $3.29 Available to Order: Shipping delay up to 10 days.