Parts for MerCruiser 3.0L GM 181 I / L4 Standard Cooling System

Revise Search: All Models > 3.0L GM 181 I / L4 > 1A020544 & Up > Standard Cooling System

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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	861493A06	HOUSING ASSEMBLY, Thermostat (1 required per assembly)
		861493A06 - Thermostat Housing [ More info ] $50.42 Available to order: Usually ships within 8 days.
#2	48952	SWITCH ASSEMBLY, Audio Warning (1 required per assembly)
		48952 - Temperature Switch Assembly [ More info ] $95.84 1 in stock.
#3	807252T 2	THERMOSTAT, 71Â°C (160Â°F) (1 required per assembly)
		807252T 2 - 807252T 2 - THERMOSTAT 71Degr O [ More info ] Unavailable Replaced by -8M0091470
		8M0091470 - 8M0091470 - THERMOSTAT 71Degr * [ More info ] Unavailable Replaced by -8M0109441
		8M0109441 - Thermostat, 160 Degree [ More info ] $28.83 3 in stock.
		18-3649 - Thermostat, 160 Degree, 807252T2 [ More info ] $25.99 $21.17 8 in stock.
#4	23-806922	SLEEVE (1 required per assembly)
		23-806922 - Sleeve [ More info ] $12.50 10+ in stock.
#5	27-33179 2	GASKET (1 required per assembly)
		27-33179 2 - Gasket - Priced Individually [ More info ] $2.00 10+ in stock.
		27-33179Q02 - Gasket [ More info ] $4.00 Available to order: Usually ships within 8 days.
#6	17494A 1	COVER KIT (1 required per assembly)
		17494A 1 - Cover Kit (Black) [ More info ] $39.50 Available to order: Usually ships within 8 days.
#7	27-806871	GASKET (1 required per assembly)
		27-806871 - Gasket - Priced Individually [ More info ] $7.00 10+ in stock.
#8	10-37612	SCREW, (.375-16 x 1.250) (2 required per assembly)
		10-37612 - Screw - Priced Individually [ More info ] $1.60 Available to order: Usually ships within 8 days.
#9	12552	LIFTING EYE (1 required per assembly)
		12552 - Lifting Eye [ More info ] $11.70 Available to order: Usually ships within 8 days.
#10	27-814680 1	GASKET (1 required per assembly)
		27-814680 1 - Thermostat Housing Gasket [ More info ] $2.40 8 in stock.
#11	10-90059	SCREW, (.375-16 x .875) (2 required per assembly) (Without Power Steering)
		10-90059 - Screw [ More info ] $2.00 5 in stock.
#11	10-90187	SCREW, (.375-16 x 1.250) (1 required per assembly)
		10-90187 - Screw [ More info ] $5.40 Available to order: Usually ships within 8 days.
#12	32-96879	HOSE, Housing to Water Pump (1 required per assembly)
		32-96879 - 32-96879 - HOSE O [ More info ] Unavailable Replaced by 32-8M0071007
		32-8M0071007 - Hose [ More info ] $37.90 $32.46 2 in stock.
		18-70931 - Hose, 32-96879, 311075 [ More info ] $28.99 $23.32 Available to order: Usually ships within 8 days.
#13	32-861634	HOSE, Housing to Manifold (1 required per assembly) (4.00 Inch)
		32-861634 - Hose [ More info ] $22.75 Available to order: Usually ships within 8 days.
#14	54-815504220	CLAMP, Worm Gear (1.75 Inch Diameter) (1 required per assembly)
		54-815504220 - Clamp [ More info ] $5.60 Available to order: Usually ships within 8 days.
#14	54-815504216	CLAMP, Worm Gear (1.56 Diameter) (1.56 Inch Diameter) (2 required per assembly)
		54-815504216 - Clamp [ More info ] $13.10 Available to order: Usually ships within 8 days.
#15	87-866115	Temperature Switch, (Normally Open 130-110 degrees), TKS (1 required per assembly)
		87-866115 - Temperature Switch [ More info ] $47.83 Available to order: Usually ships within 8 days.
#16	861554T02	COOLER, Power Steering (1 required per assembly) (Composite)
		861554T02 - COOLER O NLA [ More info ] Unavailable
#17	861554T01	COOLER, Power Steering (1 required per assembly) (Metal)
		861554T01 - COOLER * [ More info ] In stock
#18	805546A 2	BRACKET, Oil Cooler (1 required per assembly)
		805546A 2 - Bracket - OilCooler [ More info ] $69.33 1 in stock.
#19	10-816585	SCREW, (.375-18 x .875), Cooler Mounting Bracket (1 required per assembly) Metal Cooler
		10-816585 - Screw [ More info ] $2.50 Available to order: Usually ships within 8 days.
#19	10-8M2016106	SCREW, (.312 x 1.25) (1 required per assembly) Composite Cooler (Included with 861554T02)
		10-8M2016106 - Screw [ More info ] $1.10 10+ in stock.
#20	54-815504222	CLAMP, Worm Gear (1.98 DIameter) (1 required per assembly) (With Power Steering)
		54-815504222 - Clamp - Priced Individually [ More info ] $4.50 Available to order: Usually ships within 8 days.
#21	54-815504212	CLAMP, Worm Gear, Hose - Diameter (1.31 Inch) (1 required per assembly) (With Power Steering)
		54-815504212 - Clamp [ More info ] $4.30 Available to order: Usually ships within 8 days.
#22	32-862325	HOSE, Transom to Thermostat Housing (1 required per assembly) (Without Power Steering)
		32-862325 - Hose Assembly [ More info ] $55.59 Available to order: Usually ships within 8 days.
#23	54-815504232	CLAMP, Worm Gear (2.50 Diameter) (2.50 Inch) (2 required per assembly)
		54-815504232 - Clamp [ More info ] $6.40 $3.58 10+ in stock.
#24	806490T	SENDER (1 required per assembly)
		806490T - Water Temperature Sender [ More info ] $28.75 3 in stock.
		18-5897 - Sender, 97257A1 [ More info ] $26.99 $20.86 4 in stock.
#25	32-862324	HOSE, Power Steering Cooler to Thermostat Hsg. (1 required per assembly) (With Power Steering)
		32-862324 - Hose Assembly [ More info ] $60.17 Available to order: Usually ships within 8 days.
#26	32-807661	HOSE, Power Steering Cooler to Transom (1 required per assembly) (Without Power Steering)
		32-807661 - Molded Hose [ More info ] $53.20 $45.55 1 in stock.
#-	27-810846A05	GASKET SET, Engine Overhaul (1 required per assembly)
		27-810846A05 - Gasket Set [ More info ] $424.00 Available to order: Usually ships within 8 days.
#NS	19-807992 3	COVER, Hose Clamp End (AR required per assembly)
		19-807992 3 - Cover-.375 - Priced Individually [ More info ] $0.53 10+ in stock.
		19-8M6500037 - 19-8M6500037 - COVER O [ More info ] Unavailable Replaced by 19-8M0074364
		198M0074364 - Cover-Clamp - Priced Individually [ More info ] $2.20 10+ in stock.