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

Revise Search: All Models > 3.0L GM 181 I / L4 > 1A020544 & Up > 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	61086A 7	HEAT EXCHANGER ASSEMBLY (1 required per assembly)
		61086A 7 - Heat Exchanger [ More info ] Unavailable
#2	27-65128	GASKET (1 required per assembly)
		27-65128 - End Cover Gasket [ More info ] $11.70 2 In Stock.
#3	66221	COVER (1 required per assembly)
		66221 - End Cover [ More info ] $51.58 $43.84 2 In Stock.
#4	10-66223	SCREW (1 required per assembly)
		10-66223 - Bolt, NLA [ More info ] $4.00 10+ In Stock.
#5	22-65129	ANODE, Zinc (1 required per assembly)
		22-65129 - Anode - Zinc [ More info ] $6.67 10+ In Stock.
#6	61895	BRACKET, Front (1 required per assembly)
		61895 - BRACKET [ More info ] $57.83 Available to Order: Usually ships within 10 days.
#7	10-98261	SCREW, (.375-16 x .750) (2 required per assembly)
		10-98261 - Screw [ More info ] $1.20 10 In Stock.
#8	13-35048	LOCKWASHER, (.375) (2 required per assembly)
		13-35048 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#9	10-36359	SCREW, (.437-14 x 5.00) (2 required per assembly)
		10-36359 - Screw [ More info ] $3.70 $3.14 4 In Stock.
#10	61899	BRACKET, Rear Lower (1 required per assembly)
		61899 - Bracket [ More info ] $85.92 Available to Order: Usually ships within 10 days.
#11	61897T	BRACKET, Rear Upper (1 required per assembly)
		61897T - Bracket, NLA [ More info ] $85.75 $72.89 10+ In Stock.
#12	10-65027	SCREW, (.250-28 x 1.00) (1 required per assembly)
		10-65027 - Screw [ More info ] $2.40 2 In Stock.
#13	11-826713 9	NUT, (.250-28) (1 required per assembly)
		11-826713 9 - Nut [ More info ] $2.50 Available to Order: Usually ships within 10 days.
#14	10-34354	SCREW, (.375-16 x 1.50) (1 required per assembly)
		10-34354 - Screw - Priced Individually [ More info ] $2.30 10+ In Stock.
#15	23-90520 1	SPACER, (.750 x .250) (1 required per assembly)
		23-90520 1 - Spacer [ More info ] $5.05 Available to Order: Usually ships within 10 days.
#16	32-96763	HOSE, Water Pump to Heat Exchanger (1 required per assembly)
		32-96763 - Hose - Water Pump To Heat Exchanger [ More info ] $140.83 Available to Order: Usually ships within 10 days.
#17	54-815504232	CLAMP, Worm Gear (2.50 Diameter) (2.50 Inch) (2 required per assembly)
		54-815504232 - Clamp [ More info ] $8.60 10+ In Stock.
#18	862874A 1	HOUSING ASSEMBLY, Thermostat (1 required per assembly)
		862874A 1 - Thermostat Housing [ More info ] $166.42 Available to Order: Usually ships within 10 days.
#19	27-814680 1	GASKET (1 required per assembly)
		27-814680 1 - Thermostat Housing Gasket [ More info ] $4.00 10+ In Stock.
#20	27-33918	GASKET (1 required per assembly)
		27-33918 - Thermostat Housing Gasket [ More info ] Unavailable
		27-8M2021920 - Thermostat Gasket Zz [ More info ] $3.90 4 In Stock.
#21	22-52382	BUSHING (2 required per assembly)
		22-52382 - Fitting [ More info ] $8.20 $1.65 10+ In Stock.
#22	22-32803	PLUG, Pipe (.375-18) Brass (1 required per assembly)
		22-32803 - Plug [ More info ] $4.99 1 In Stock.
		228M0180565 - PLUG [ More info ] $7.70 Available to Order: Usually ships within 10 days.
		18-4264 - Pipe Plug, 3/8-18 NPT [ More info ] $5.49 $4.15 2 In Stock.
#23	10-20359	SCREW, (.375-16 x 1.00) (1 required per assembly)
		10-20359 - Screw - Priced Individually [ More info ] $1.70 $0.34 10+ In Stock.
#23	10-37612	SCREW, (.375-16 x 1.250) (1 required per assembly)
		10-37612 - Screw - Priced Individually [ More info ] $2.40 10+ In Stock.
#24	807252T 2	THERMOSTAT, 71Â°C (160Â°F) (1 required per assembly)
		807252T 2 - Thermostat, 160 Degrees [ More info ] Unavailable
		8M0091470 - Thermostat, 160 Degrees [ More info ] Unavailable
		8M0109441 - Thermostat, 160 Degree [ More info ] $33.00 9 In Stock.
		18-3649 - Thermostat, 160 Degree, 807252T2 [ More info ] $26.99 $24.14 10+ In Stock.
#25	96878A 2	RESERVOIR ASSEMBLY (1 required per assembly)
		96878A 2 - Reservoir Assembly [ More info ] $358.42 Available to Order: Usually ships within 10 days.
#26	10-35787	SCREW, (.375-16 x 2.250) (2 required per assembly)
		10-35787 - Screw - Priced Individually [ More info ] $2.70 10+ In Stock.
#27	36-13130	CAP, Pressure (1 required per assembly)
		36-13130 - Cap [ More info ] $16.50 Available to Order: Usually ships within 10 days.
#28	32-96766	HOSE, Exhaust Manifold to Heat exchanger (1 required per assembly)
		32-96766 - Hose - Exhaust Manifold To Heat Exchanger [ More info ] $75.33 Available to Order: Usually ships within 10 days.
#29	32-96765	HOSE, Reservoir to Exchanger (1 required per assembly)
		32-96765 - Hose - Reservoir To Exchanger [ More info ] $48.33 Available to Order: Usually ships within 10 days.
#30	71587A10	RECOVERY KIT, Coolant (1 required per assembly)
		71587A10 - Coolant Recovery Kit [ More info ] $93.50 In Stock
#NS	32-77457 2	HOSE, (48.00 Inches Bulk) (1 required per assembly)
		32-77457 2 - Hose -48 Inch [ More info ] $67.58 Available to Order: Usually ships within 10 days.
#31	71587A11	BOTTLE, Plastic (1 required per assembly)
		71587A11 - Coolant Recovery Bottle [ More info ] $73.56 1 In Stock.
#32	72058	CAP (1 required per assembly)
		72058 - Bottle Cap [ More info ] $10.90 Available to Order: Usually ships within 10 days.
#33	861554T01	COOLER, Power Steering (1 required per assembly) (10.50 Inch)(With Molded Bracket) (Metal)
		861554T01 - Cooler, Power Steering [ More info ] Unavailable
		8M0125855 - Power Steering Cooler [ More info ] $204.50 In Stock
#34	861554T02	COOLER, Power Steering (1 required per assembly) (Composite)
		861554T02 - ORD 861554T01 [ More info ] Unavailable
#35	10-816585	SCREW, (.375-18 x .875) (1 required per assembly) Metal Cooler
		10-816585 - Screw [ More info ] $3.30 Available to Order: Usually ships within 10 days.
#35	10-8M2016106	SCREW, (.312 x 1.25) (1 required per assembly) Composite Cooler (Included with 861554T02)
		10-8M2016106 - Screw [ More info ] $1.34 10+ In Stock.
#36	54-815504222	CLAMP, Worm Gear (1.98 DIameter) (1.98 Inch) (3 required per assembly)
		54-815504222 - Clamp [ More info ] $6.20 Available to Order: Usually ships within 10 days.
#37	54-815504216	CLAMP, Worm Gear (1.56 Diameter) (1.56 Inch) (2 required per assembly)
		54-815504216 - Clamp [ More info ] $18.00 $4.95 4 In Stock.
#38	54-815504228	CLAMP, Worm Gear (2.25 Inch) (2 required per assembly)
		54-815504228 - Clamp [ More info ] $19.90 Available to Order: Usually ships within 10 days.
#39	12-22248	WASHER, (.453 x .875 x .060) (2 required per assembly)
		12-22248 - Washer, (.453 X .875 X .060) [ More info ] $1.40 1 In Stock.
#40	32-807661	HOSE, Power Steering Cooler to Thermostat Housing (1 required per assembly) (With Power Steering)
		32-807661 - Molded Hose [ More info ] $64.25 In Stock
#40	32-42850 69	HOSE, (44.00 Inches Bulk), Transom to Heat Exchanger (1 required per assembly) (Without Power Steering)
		32-42850 69 - Hose -44 Inch [ More info ] Unavailable
		32-8M0062634 - Transom TO Thermostat Housing Hose -44I [ More info ] $39.42 In Stock
#42	54-815504212	CLAMP, Worm Gear, Diameter(1.31 Inch) (3 required per assembly)
		54-815504212 - Clamp [ More info ] $5.70 Available to Order: Usually ships within 10 days.
#43	87-866115	Temperature Switch, (Normally Open 130-110 degrees), Turn Key Start (1 required per assembly)
		87-866115 - Temperature Switch [ More info ] $66.50 Available to Order: Usually ships within 10 days.
#44	806490T	SENDER (1 required per assembly)
		806490T - Water Temperature Sender [ More info ] $39.50 In Stock
		18-5897 - Sender, 97257A1 [ More info ] $35.99 $32.24 10+ In Stock.
#45	48952	SWITCH ASSEMBLY (1 required per assembly)
		48952 - Temperature Switch [ More info ] $132.42 1 In Stock.
#NS	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 ] $0.50 10+ In Stock.
		198M0074364 - Cover-Clamp - Priced Individually [ More info ] $3.20 $2.72 10+ In Stock.