Parts for Mercury Marine Exhaust / Cooling Systems & Extension Kits Closed Cooling System (18390A12 / A13)

Revise Search: All Models > Exhaust / Cooling Systems & Extension Kits > 1994 & Up > Closed Cooling System (18390A12 / A13)

NEED PARTS OR KITS?
View diagram and parts list below. Tap to zoom. Scroll down to order.
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 ]

#	22-805563	CONNECTOR, (.500 Inch NPTF To .500 Inch Inverted Flare) (2 required per assembly)
		22-805563 - Fitting [ More info ] $17.20 In Stock
#	814875	COVER, Heat Exchanger End (2 required per assembly)
		814875 - End Cover [ More info ] Unavailable
		8M0036623 - Cap -end [ More info ] $100.75 Available to Order: Usually ships within 10 days.
#	18390A12	CLOSED COOLING SYSTEM (1 required per assembly)
		18390A12 - COOLING KT-CLOSED [ More info ] Unavailable
		18390A13 - COOLING KT-CLOSED,NLA [ More info ] Unavailable
#	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 ] $8.50 10+ In Stock.
#	97428T 2	COVER, Thermostat (1 required per assembly)
		97428T 2 - Thermostat Cover, NLA [ More info ] $15.56 6 In Stock.
		MC-29-97428 - Thermostat Housing [ More info ] $53.00 $40.64 1 In Stock.
#	44443A 3	INSTALLATION KIT (1 required per assembly)
		44443A 3 - Installation Kit, NLA [ More info ] Unavailable
#	27-814876	GASKET, End Cover (2 required per assembly)
		27-814876 - End Cover Gasket [ More info ] Unavailable
		27-803644 - End Cover Gasket [ More info ] $13.84 1 In Stock.
		27-8M0036987 - Heat Exchanger End Gasket [ More info ] $21.08 In Stock
#	18390A13	CLOSED COOLING SYSTEM (1 required per assembly)
#	22-36382	FITTING, (.250-18 x .62) Brass (1 required per assembly)
		22-36382 - Plug [ More info ] $5.30 Available to Order: Usually ships within 10 days.
		18-8111-9 - Pipe Plug, 1/4 Inch, (Pack of 3) [ More info ] $10.54 $9.42 8 In Stock.
		18-4256 - Plug, 1/4 Inch Brass, Sold Individually [ More info ] $2.39 Available to Order: Usually ships within 10 days.
#	36-814879	CAP (1 required per assembly)
		36-814879 - Cap [ More info ] $24.99 1 In Stock.
		36-808108 - CAP [ More info ] $32.08 1 In Stock.
#	10-814877	BOLT (2 required per assembly)
		10-814877 - Bolt [ More info ] Unavailable
#1	55131A 5	HOUSING ASSEMBLY, Thermostat (1 required per assembly)
		55131A 5 - Housing Assembly [ More info ] $379.57 1 In Stock.
#2	22-818390	DRAIN COCK (1 required per assembly)
		22-818390 - Plug Assembly [ More info ] $19.58 Available to Order: Usually ships within 10 days.
#3	87-86080	SWITCH, Temperature (1 required per assembly)
		87-86080 - Switch [ More info ] $116.92 In Stock
#4	27-48818 1	GASKET (1 required per assembly)
		27-48818 1 - Gasket - Priced Individually [ More info ] $2.90 4 In Stock.
#5	27-53045 1	GASKET (1 required per assembly)
		27-53045 1 - Gasket - Priced Individually [ More info ] $5.50 10 In Stock.
		18-2917-9 - Gasket 27-530451 2-Pack [ More info ] $7.99 10+ In Stock.
		27-53045Q01 - Gasket [ More info ] $5.50 1 In Stock.
#6	10-48115	SCREW, (.375-16 x 3.50) (2 required per assembly)
		10-48115 - Screw, NLA [ More info ] $1.67 10+ In Stock.
#7	12-31263	WASHER (2 required per assembly)
		12-31263 - Washer - Priced Individually [ More info ] $1.00 $0.56 10+ In Stock.
#8	805136T	RESERVOIR (1 required per assembly)
		805136T - HEAT EXCHANGR 4I [ More info ] Unavailable
#9	54-815504372	CLAMP, Worm Gear (AR required per assembly)
		54-815504372 - Clamp [ More info ] $15.90 Available to Order: Usually ships within 10 days.
#10	805034A 1	BRACKET ASSEMBLY, Mounting (1 required per assembly)
		805034A 1 - Heat Exchanger Bracket, NLA [ More info ] Unavailable
#11	18431	PAD (2 required per assembly)
		18431 - Pad [ More info ] $33.67 Available to Order: Usually ships within 10 days.
#12	10-57357	SCREW, (.437-13 x 2.250) (1 required per assembly)
		10-57357 - Screw [ More info ] $3.50 $2.98 10 In Stock.
#14	41024	MOUNT (1 required per assembly)
		41024 - Vibration Mount [ More info ] $44.58 10+ In Stock.
#15	23-74756	SPACER (1 required per assembly)
		23-74756 - Spacer - Pivot Block Screw [ More info ] $8.00 10+ In Stock.
#16	22-45084	FITTING, Straight (2 required per assembly)
		22-45084 - Connector [ More info ] $14.99 5 In Stock.
		22-866725 - Brass Fitting, 3/4 NPT [ More info ] $17.60 In Stock
		18-4461 - Brass Connector [ More info ] $13.99 $12.67 1 In Stock.
#17	54-815504220	CLAMP, Worm Gear (AR required per assembly)
		54-815504220 - Clamp [ More info ] $7.30 Available to Order: Usually ships within 10 days.
#19	71587A10	RECOVERY KIT, Coolant (Component parts can be purchased locally.) (1 required per assembly)
		71587A10 - Coolant Recovery Kit [ More info ] $93.50 In Stock
#20	71587A11	BOTTLE, Plastic (1 required per assembly)
		71587A11 - Coolant Recovery Bottle [ More info ] $73.56 1 In Stock.
#21	72058	CAP (1 required per assembly)
		72058 - Bottle Cap [ More info ] $10.90 Available to Order: Usually ships within 10 days.
#22	32-805055	HOSE (1 required per assembly)
		32-805055 - Hose, NLA [ More info ] Unavailable
#22	32-805175	HOSE (1 required per assembly)
		32-805175 - Hose, NLA [ More info ] $9.00 10+ In Stock.
#23	32-805138	HOSE, Water Pump To Heat Exchanger (1 required per assembly)
		32-805138 - Molded Hose [ More info ] Unavailable
		32-8M0158499 - HOSE-MOLDED [ More info ] Unavailable
#24	54-815504232	CLAMP, Worm Gear (2.50 Diameter) (AR required per assembly)
		54-815504232 - Clamp [ More info ] $8.60 10+ In Stock.
#25	22-36305	ELBOW, (90 Degrees) (2 required per assembly)
		22-36305 - Elbow [ More info ] Unavailable
		22-36305T - Elbow [ More info ] $37.83 5 In Stock.
		18-8216 - Brass Fitting, 22-36305 [ More info ] $33.99 $30.79 1 In Stock.
#26	32-91954 2	HOSE (1 required per assembly)
		32-91954 2 - Hose, NLA [ More info ] $22.22 2 In Stock.
#28	32-814860	HOSE (Oil Cooler to Oil Cooler) (1 required per assembly)
		32-814860 - Hose, NLA [ More info ] Unavailable
#29	32-805105	HOSE (Reservoir to Exhaust Manifold) (1 required per assembly) (V Drive without Risers)
		32-805105 - Hose [ More info ] Unavailable
		32-897190 - Hose [ More info ] $54.33 Available to Order: Usually ships within 10 days.
#29	32-805302	HOSE (Reservoir to Exhaust Manifold) (1 required per assembly) (Non V Drive without Risers)
		32-805302 - Hose, NLA [ More info ] Unavailable
#30	32-805303	HOSE (Reservoir to Exhaust Manifold) (1 required per assembly) (Non V Drive without Risers)
		32-805303 - Hose, NLA [ More info ] Unavailable
#30	32-805022	HOSE (Reservoir to Exhaust Manifold) (1 required per assembly) (With Risers)
		32-805022 - Hose, NLA [ More info ] $20.00 2 In Stock.
#31	805174T	COOLER, Oil (1 required per assembly)
		805174T - Oil Cooler, NLA [ More info ] $165.00 1 In Stock.
#32	54-814858	CLIP (2 required per assembly)
		54-814858 - Clip [ More info ] $3.75 9 In Stock.
#33	19-805727	CAP, Rubber (2 required per assembly)
		19-805727 - Cap [ More info ] Unavailable
		19-805727001 - Cap [ More info ] $4.60 Available to Order: Usually ships within 10 days.
#34	27-818832	GASKET (4 required per assembly)
		27-818832 - Riser To Manifold Gasket [ More info ] Unavailable
		27-860232 - Elbow To Manifold Gasket [ More info ] Unavailable
		27-863726 - Exhaust Elbow Gasket [ More info ] $19.30 10+ In Stock.
		18-2849-1 - Exhaust Elbow Gasket MP#283109 [ More info ] $13.24 $12.23 10+ In Stock.
		MC47-27-87105 - MerCruiser Exhaust Elbow Gasket [ More info ] $13.00 $9.97 4 In Stock.
#35	27-41811	GASKET (2 required per assembly)
		27-41811 - Exhaust Elbow Gasket [ More info ] $10.99 1 In Stock.
		27-860231 - Elbow To Manifold Gasket [ More info ] Unavailable
		27-863725 - GASKET [ More info ] Unavailable
		27-863725 1 - Block Off Gasket [ More info ] $18.90 10+ In Stock.
		18-0672-9 - Gasket 27-41811 2-Pack [ More info ] $29.99 $24.99 Available to Order: Usually ships within 10 days.