Parts for MerCruiser Race Engine and Drive 500 EFI Thermostat Housing

Revise Search: All Models > 500 EFI > 0M900064 - 0M901284 (USA) > Thermostat Housing

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View diagram and parts list below.
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	849927T 1	HOUSING ASSEMBLY, Thermostat (1 required per assembly)
		849927T 1 - Thermostat Housing Assembly [ More info ] $502.89 Available to order: Usually ships within 8 days.
#2	23-47511	SLEEVE (1 required per assembly)
		23-47511 - Sleeve [ More info ] $31.66 7 in stock.
#3	22-98477A 2	VALVE ASSEMBLY (1 required per assembly)
		22-98477A 2 - Valve Assembly [ More info ] $78.67 In stock
#4	10-98476	SCREW, (#10-32 x 6.00) (1 required per assembly)
		10-98476 - Screw [ More info ] $5.40 Available to order: Usually ships within 8 days.
#5	30-98475	BALL, Nylon (2 required per assembly)
		30-98475 - Ball - Priced Individually [ More info ] $8.00 2 in stock.
#6	24-75533	SPRING (2 required per assembly)
		24-75533 - Spring - Priced Individually [ More info ] $2.10 Available to order: Usually ships within 8 days.
#7	11-29488	NUT, (#10-32) (1 required per assembly)
		11-29488 - 11-29488 - NUT (#10-32) O [ More info ] Unavailable Replaced by 11-826709106
		11-826709106 - Nut [ More info ] $3.30 2 in stock.
#8	807252T 1	THERMOSTAT, 60Â°C (140Â°F) (1 required per assembly)
		807252T 1 - 807252T 1 - THERMOSTAT 60 Deg O [ More info ] Unavailable Replaced by -8M0089715
		8M0089715 - Thermostat-140 [ More info ] $19.17 6 in stock.
		807252Q 4 - Thermostat Kit [ More info ] $41.83 1 in stock.
		18-3551 - Thermostat 807252T1, 59137 [ More info ] $14.99 $11.08 9 in stock.
#9	27-47510	GASKET, Thermostat (1 required per assembly)
		27-47510 - Gasket - Priced Individually [ More info ] $2.50 10+ in stock.
		18-2553-9 - Gasket 27-47510 2-Pack [ More info ] $4.98 $3.01 3 in stock.
#10	23-47508T	SLEEVE, Thermostat (1 required per assembly)
		23-47508T - Thermostat Sleeve [ More info ] $13.08 10+ in stock.
#11	27-41812 2	GASKET, Thermostat Cover (1 required per assembly)
		27-41812 2 - Gasket [ More info ] $8.88 $7.20 10+ in stock.
#12	47441A 1	COVER, Thermostat (1 required per assembly)
		47441A 1 - Thermostat Cover [ More info ] $73.91 In stock
		18-1977-1 - Thermostat Housing [ More info ] $64.99 $48.64 5 in stock.
		MC-29-47441 - Thermostat Housing [ More info ] $36.00 $28.12 1 in stock.
#13	10-843373	SCREW, (.375-16 x 3.500) (2 required per assembly)
		10-843373 - Screw [ More info ] $3.29 Available to order: Usually ships within 8 days.
#14	12-856774	WASHER, (.406 x .750 x .105) Stainless Steel (2 required per assembly)
		12-856774 - Washer [ More info ] $1.60 10+ in stock.
#15	27-53045 1	GASKET, Thermostat Housing (1 required per assembly)
		27-53045 1 - Gasket - Priced Individually [ More info ] $3.80 10+ in stock.
		18-2917-9 - Gasket 27-530451 2-Pack [ More info ] $5.98 $3.65 Available to order: Usually ships within 8 days.
		27-53045Q01 - Gasket [ More info ] $4.00 Available to order: Usually ships within 8 days.
#16	32-17435 65	HOSE, (38.00 Inches Bulk), Sea Pump To Drive Unit - Bravo Models (1 required per assembly)
		32-17435 65 - Hose -38 Inch [ More info ] $74.00 Available to order: Usually ships within 8 days.
#16	32-17435 79	HOSE, (96.00 Inches Bulk), Cut 48.00 Inches - Plug In Models (1 required per assembly)
		32-17435 79 - 32-17435 79 - HOSE (96.00 Inche O [ More info ] Unavailable Replaced by 32-863343 79
		32-863343 79 - 32-863343 79 - HOSE (96.00 Inche O [ More info ] Unavailable Replaced by 32-865672079
		32-865672079 - 32-865672079 - HOSE (96.00 Inche O [ More info ] Unavailable Replaced by 32-8M0062666
		32-8M0062666 - Water Hose Bulk -96" [ More info ] $186.60 $159.78 In stock
#16	32-13556A 1	HOSE KIT, (10.00 Feet) (1 required per assembly) - Driveline Models
		32-13556A 1 - Hose Kit -10 Ft [ More info ] $545.84 Available to order: Usually ships within 8 days.
#17	54-18076 6	CLAMP, Worm Gear (2 required per assembly) - Driveline Models
		54-18076 6 - Clamp [ More info ] $10.90 Available to order: Usually ships within 8 days.
#18	32-849935	HOSE, Molded, Circulating Pump To Fuel Cooler (1 required per assembly)
		32-849935 - Molded Hose [ More info ] $40.82 Available to order: Usually ships within 8 days.
#19	32-844881	HOSE, Molded, Cooler To Cooler (1 required per assembly) - NOTE: This Hose Is Cut To Fit For Engines With Transmission Cooler
		32-844881 - Molded Hose [ More info ] $47.14 Available to order: Usually ships within 8 days.
#20	32-848956	HOSE, Molded, Cooler To Tube (1 required per assembly)
		32-848956 - Hose [ More info ] $43.75 Available to order: Usually ships within 8 days.
		18-75125 - Straight Hose [ More info ] $36.99 $29.83 Available to order: Usually ships within 8 days.
#21	22-13177	TUBE, Hose Attachment - Non Power Steering Models (1 required per assembly)
		22-13177 - Tube [ More info ] $15.72 Available to order: Usually ships within 8 days.
#22	32-844882 1	HOSE, Molded, Oil Cooler To Thermostat Housing (1 required per assembly)
		32-844882 1 - Molded Hose [ More info ] $39.92 Available to order: Usually ships within 8 days.
#23	32-842416A 1	HOSE ASSEMBLY, Thermostat Housing To Circulation Pump (1 required per assembly)
		32-842416A 1 - Hose Assembly [ More info ] $52.14 Available to order: Usually ships within 8 days.
#24	22-860088	BUSHING (1 required per assembly)
		22-860088 - Bushing [ More info ] $7.60 Available to order: Usually ships within 8 days.
#25	22-806608A 1	PLUG KIT, (.500-13) Royal Blue (1 required per assembly)
		22-806608A 1 - 22-806608A 1 - PLUG KIT (.500-13 O [ More info ] Unavailable Replaced by 22-806608A02
		22-806608A02 - 22-806608A02 - PLUG ASSEMBLY (.5 [ More info ] Unavailable Replaced by 22-8M0119211
		22-8M0119211 - Plug Assembly (.500-13) [ More info ] $7.00 3 in stock.
		18-4226 - Blue Drain Plug, 22-806608A1 [ More info ] $4.49 $2.97 1 in stock.
		22-806608Q01 - Plug Kit - Priced Individually [ More info ] $7.00 Available to order: Usually ships within 8 days.
#26	25-32509	O-RING, (.489 x .070) (1 required per assembly)
		25-32509 - O-Ring - Priced Individually [ More info ] $1.50 10+ in stock.
		18-7165-9 - O-Ring (PK5) , 0304174 [ More info ] $7.45 $4.08 2 in stock.
#27	22-37682	FITTING, Elbow (45 Degree) (1 required per assembly)
		22-37682 - Elbow [ More info ] $15.30 Available to order: Usually ships within 8 days.
#28	54-18076 8	CLAMP, Worm Gear (2 required per assembly)
		54-18076 8 - Clamp [ More info ] $11.50 Available to order: Usually ships within 8 days.
#29	32-849938	HOSE, Port - Thermostat Cover To Exhaust Bottom (1 required per assembly)
		32-849938 - Molded Hose [ More info ] $40.14 Available to order: Usually ships within 8 days.
#30	32-849939	HOSE, Starboard - Thermostat Cover To Exhaust Bottom (1 required per assembly)
		32-849939 - Molded Hose [ More info ] $41.03 1 in stock.
#31	54-18076 4	CLAMP, Worm Gear (8 required per assembly)
		54-18076 4 - Clamp [ More info ] $6.25 Available to order: Usually ships within 8 days.
#32	32-849936	HOSE, Port - Thermostat Tee To Exhaust Top (1 required per assembly)
		32-849936 - Molded Hose [ More info ] $39.92 Available to order: Usually ships within 8 days.
#33	32-849937	HOSE, Starboard - Thermostat Tee To Exhaust Top (1 required per assembly)
		32-849937 - Molded Hose [ More info ] $40.14 Available to order: Usually ships within 8 days.
#-	27-842129A 1	GASKET/SEAL SET, Engine Overhaul (1 required per assembly) - NOTE: See Gasket/Seal Set - Engine Overhaul Section For Complete Parts Listing
		27-842129A 1 - Gasket/Seal Set [ More info ] $802.69 Available to order: Usually ships within 8 days.